Full Code of whwlsfb/SpringSpider for AI

Repository: whwlsfb/SpringSpider
Branch: master
Commit: 26494ac0fc30
Files: 18
Total size: 49.8 KB

Directory structure:
gitextract_ctj4vjj7/

├── .gitignore
├── LICENSE
├── README.md
├── pom.xml
└── src/
    └── main/
        └── java/
            └── burp/
                ├── BurpExtender.java
                ├── Issue.java
                ├── scanner/
                │   ├── IResponseChecker.java
                │   ├── ISubScanner.java
                │   ├── Payload.java
                │   ├── SpringScanner.java
                │   └── sub/
                │       ├── APIDoc.java
                │       └── SpringActuator.java
                ├── ui/
                │   └── UIHandler.java
                └── utils/
                    ├── BypassPayloadUtils.java
                    ├── ConfigUtils.java
                    ├── HttpHeader.java
                    ├── UIUtil.java
                    └── Utils.java

================================================
FILE CONTENTS
================================================

================================================
FILE: .gitignore
================================================
/out/
/target
/.idea
/*.iml
dependency-reduced-pom.xml

================================================
FILE: LICENSE
================================================
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================================================
FILE: README.md
================================================
# SpringSpider

该工具为被动扫描Spring Actuator端点的BurpSuite插件，用于解决多层级目录下隐藏的Actuator端点、或端点需要Bypass才能访问的情况下的漏报问题。

## 安装方法

导航至BurpSuite的`Extender->Extensions`界面，点击`Add`按钮，在弹出的窗口中点击`Select file ...`按钮，在文件打开页面中找到插件的jar文件，安装即可。

## 使用

该插件安装完成后，将无需特殊设置，自动启用被动扫描，扫描发现的端点将会生成漏洞条目出现在BurpSuite首页的`Issue activity`中。另外，若要优化扫描过程中的参数，则需要根据需要，修改插件设置，插件设置位于BurpSuite的SpringSpider选项卡。

本插件具有如下设置项：

#### Enable

该复选框为修改该插件的启用状态，当该复选框选中时插件才会执行被动扫描。当取消选中时，插件将不会再接受新的扫描任务，在当前正在执行的扫描任务结束后将会停止扫描。

#### Dir Scan Deeper

该设置项为修改插件的目录扫描深度，设置范围为`1~∞`，默认建议值为`3`，假设当前目录扫描深度设置为`3`，在用户访问目标「`http://test.com/backend/api/admin/user/`」时，将会拆分为「`http://test.com/`」、「`http://test.com/backend/`」、「`http://test.com/backend/api/`」分别扫描，该参数请尽量控制在1~5以内，以避免产生过大的请求流量。

#### Use Bypass

该设置项为修改启用的Bypass字符列表，默认启用`;`、`.`，当正常请求无果后，将会尝试在路径中插入Bypass字符尝试进行绕过，例如在启用`;`字符后，对「`http://test.com/api/actuator/env`」的绕过URL则是「`http://test.com/api/;/actuator/;/env`」

#### Scan Point

该设置项为修改启动扫描的端点，为了避免请求频率过大，目前支持启用的端点有「/actuator/env」、「/actuator」、「/env」，建议全部启用。

# 鸣谢
插件中部分代码借鉴于以下项目

https://github.com/sting8k/BurpSuite_403Bypasser


================================================
FILE: pom.xml
================================================
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>cn.wanghw</groupId>
    <artifactId>SpringSpider</artifactId>
    <version>1.0-SNAPSHOT</version>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>8</source>
                    <target>8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <!-- https://mvnrepository.com/artifact/net.portswigger.burp.extender/burp-extender-api -->
        <dependency>
            <groupId>net.portswigger.burp.extender</groupId>
            <artifactId>burp-extender-api</artifactId>
            <version>1.7.22</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.jayway.jsonpath/json-path -->
        <dependency>
            <groupId>com.jayway.jsonpath</groupId>
            <artifactId>json-path</artifactId>
            <version>2.7.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/net.jodah/expiringmap -->
        <dependency>
            <groupId>net.jodah</groupId>
            <artifactId>expiringmap</artifactId>
            <version>0.5.10</version>
        </dependency>
    </dependencies>
</project>

================================================
FILE: src/main/java/burp/BurpExtender.java
================================================
package burp;

import burp.scanner.SpringScanner;
import burp.ui.UIHandler;
import burp.utils.Utils;

import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.PrintWriter;

public class BurpExtender implements IBurpExtender, IExtensionStateListener {

    public IExtensionHelpers helpers;
    public IBurpExtenderCallbacks callbacks;
    public PrintWriter stdout;
    public PrintWriter stderr;
    public String version = "1.0";
    public UIHandler uiHandler;
    public SpringScanner scanner;

    @Override
    public void registerExtenderCallbacks(IBurpExtenderCallbacks callbacks) {
        Utils.Callback = this.callbacks = callbacks;
        Utils.Helpers = this.helpers = callbacks.getHelpers();
        this.stdout = new PrintWriter(callbacks.getStdout(), true);
        this.stderr = new PrintWriter(callbacks.getStderr(), true);
        callbacks.setExtensionName("SpringSpider");
        this.stdout.println("SpringSpider v" + version);
        this.stdout.println("Author: whwlsfb");
        this.stdout.println("Github: https://github.com/whwlsfb/SpringSpider");
        this.uiHandler = new UIHandler(this);
        callbacks.addSuiteTab(this.uiHandler);
        scanner = new SpringScanner();
        callbacks.registerScannerCheck(scanner);
        callbacks.registerExtensionStateListener(this);
    }

    @Override
    public void extensionUnloaded() {
    }

}


================================================
FILE: src/main/java/burp/Issue.java
================================================
package burp;

import java.net.URL;

public class Issue implements IScanIssue {

    private IHttpService httpService;
    private URL url;
    private IHttpRequestResponse[] httpMessages;
    private String name;
    private String detail;
    private String severity;
    private boolean isCertain;


    public Issue(
            IHttpService httpService,
            URL url,
            IHttpRequestResponse[] httpMessages,
            String name,
            String detail,
            String severity) {
        this.httpService = httpService;
        this.url = url;
        this.httpMessages = httpMessages;
        this.name = name;
        this.detail = detail;
        this.severity = severity;
        this.isCertain = false;
    }

    public Issue(
            IHttpService httpService,
            URL url,
            IHttpRequestResponse[] httpMessages,
            String name,
            String detail,
            String severity, boolean isCertain) {
        this.httpService = httpService;
        this.url = url;
        this.httpMessages = httpMessages;
        this.name = name;
        this.detail = detail;
        this.severity = severity;
        this.isCertain = isCertain;
    }

    @Override
    public URL getUrl() {
        return url;
    }

    @Override
    public String getIssueName() {
        return name;
    }

    @Override
    public int getIssueType() {
        return 0;
    }

    @Override
    public String getSeverity() {
        return severity;
    }

    @Override
    public String getConfidence() {
        return isCertain ? "Certain" : "Firm";
    }

    @Override
    public String getIssueBackground() {
        return null;
    }

    @Override
    public String getRemediationBackground() {
        return null;
    }

    @Override
    public String getIssueDetail() {
        return detail;
    }

    @Override
    public String getRemediationDetail() {
        return null;
    }

    @Override
    public IHttpRequestResponse[] getHttpMessages() {
        return httpMessages;
    }

    @Override
    public IHttpService getHttpService() {
        return httpService;
    }
}


================================================
FILE: src/main/java/burp/scanner/IResponseChecker.java
================================================
package burp.scanner;

import burp.*;

import java.net.URL;

public interface IResponseChecker {
    Issue checkResponse(IHttpRequestResponse baseRequestResponse, IHttpRequestResponse checkRequest, URL newUrl);
}


================================================
FILE: src/main/java/burp/scanner/ISubScanner.java
================================================
package burp.scanner;

import burp.IHttpRequestResponse;
import burp.Issue;

import java.net.URL;
import java.util.List;

public interface ISubScanner {
    String getName();

    List<Issue> check(URL url, IHttpRequestResponse originRequestResponse);
}


================================================
FILE: src/main/java/burp/scanner/Payload.java
================================================
package burp.scanner;

import java.util.List;

public class Payload {
    public List<String[]> resources = null;
    public IResponseChecker responseChecker = null;

    public Payload(List<String[]> resources, IResponseChecker responseChecker) {
        this.resources = resources;
        this.responseChecker = responseChecker;
    }
}


================================================
FILE: src/main/java/burp/scanner/SpringScanner.java
================================================
package burp.scanner;

import burp.*;
import burp.scanner.sub.SpringActuator;
import burp.utils.BypassPayloadUtils;
import burp.utils.ConfigUtils;
import burp.utils.Utils;
import net.jodah.expiringmap.ExpiringMap;

import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

public class SpringScanner implements IScannerCheck {

    private final String[] STATIC_FILE_EXT = new String[]{
            "png",
            "jpg",
            "jpeg",
            "gif",
            "pdf",
            "bmp",
            "js",
            "css",
            "ico",
            "woff",
            "woff2",
            "ttf",
            "otf",
            "ttc",
            "svg",
            "psd",
            "exe",
            "zip",
            "rar",
            "7z",
            "msi",
            "tar",
            "gz",
            "mp3",
            "mp4",
            "mkv",
            "swf",
            "xls",
            "xlsx",
            "doc",
            "docx",
            "ppt",
            "pptx",
            "iso",
            "map",
            "php",
            "aspx",
            "ashx",
            "asp"
    };

    List<String> scannedUrls = new ArrayList<>();

    Map<String, Object> scannedNewUrls = ExpiringMap.builder().expiration(1, TimeUnit.HOURS).build();
    List<ISubScanner> subScanners = new ArrayList<ISubScanner>() {{
//        add(new APIDoc());
        add(new SpringActuator(SpringScanner.this));
    }};

    @Override
    public List<IScanIssue> doPassiveScan(IHttpRequestResponse baseRequestResponse) {
        if (ConfigUtils.getBoolean(ConfigUtils.ENABLE, true)) {
            URL originUrl = cleanURL(Utils.Helpers.analyzeRequest(baseRequestResponse).getUrl());
            List<IScanIssue> result = new ArrayList<>();
            URL[] urls = Utils.splitUrls(originUrl);
            for (URL url : urls) {
                if (!isChecked(url.toString()))
                    for (ISubScanner subScanner : subScanners) {
                        result.addAll(subScanner.check(url, baseRequestResponse));
                    }
            }
            return result;
        } else {
            return null;
        }
    }

    public synchronized IHttpRequestResponse doRequest(List<String> originHeaders, IHttpRequestResponse originRequestResponse, URL newUrl) {
        String urlMd5 = Utils.MD5(newUrl.toString());
        if (!scannedNewUrls.containsKey(urlMd5)) {
            scannedNewUrls.put(urlMd5, newUrl);
            byte[] newRequest = BypassPayloadUtils.makeNewGETRequest(originHeaders, newUrl);
            return Utils.Callback.makeHttpRequest(originRequestResponse.getHttpService(), newRequest);
        } else {
            return null;
        }
    }

    public URL cleanURL(URL originUrl) {
        String baseUrl = originUrl.getProtocol() + "://" + originUrl.getAuthority();
        String path = originUrl.getPath();
        if (isStaticFile(originUrl)) {
            path = path.substring(0, path.lastIndexOf("/"));
        }
        try {
            return new URL(baseUrl + (path.isEmpty() ? "/" : path));
        } catch (Exception ex) {
            return originUrl;
        }
    }

    public boolean isChecked(String url) {
        String urlMd5 = Utils.MD5(url);
        synchronized (scannedUrls) {
            if (scannedUrls.contains(urlMd5)) {
                return true;
            } else {
                scannedUrls.add(urlMd5);
                return false;
            }
        }
    }

    private boolean isStaticFile(URL url) {
        return Arrays.stream(STATIC_FILE_EXT).anyMatch(s -> s.equalsIgnoreCase(Utils.getUrlFileExt(url.toString())));
    }

    @Override
    public List<IScanIssue> doActiveScan(IHttpRequestResponse baseRequestResponse, IScannerInsertionPoint insertionPoint) {
        return null;
    }

    @Override
    public int consolidateDuplicateIssues(IScanIssue existingIssue, IScanIssue newIssue) {
        return 0;
    }
}


================================================
FILE: src/main/java/burp/scanner/sub/APIDoc.java
================================================
package burp.scanner.sub;

import burp.*;
import burp.scanner.IResponseChecker;
import burp.scanner.ISubScanner;
import burp.scanner.Payload;
import burp.utils.BypassPayloadUtils;
import burp.utils.ConfigUtils;
import burp.utils.Utils;

import java.net.URL;
import java.util.ArrayList;
import java.util.List;

public class APIDoc implements ISubScanner {
    private final List<Payload> payloads = new ArrayList<Payload>() {{
        add(new Payload(new ArrayList<String[]>() {{
            add(new String[]{"swagger-ui.html"});
        }}, (baseRequestResponse, checkRequest, newUrl) -> {
            IResponseKeywords founds = Utils.Helpers.analyzeResponseKeywords(new ArrayList<String>() {{
                add("Swagger UI");
                add("swagger-ui/lib");
            }}, checkRequest.getResponse());
            if (BypassPayloadUtils.hasFound(founds, 0) && Utils.Helpers.analyzeResponse(checkRequest.getResponse()).getStatusCode() == 200) {
                Utils.Callback.printOutput("found " + newUrl + ".\r\n");
                return new Issue(
                        baseRequestResponse.getHttpService(),
                        newUrl,
                        new IHttpRequestResponse[]{checkRequest},
                        "Swagger UI found.",
                        "URL: " + newUrl,
                        "Medium", true);
            } else {
                return null;
            }
        }));
        add(new Payload(new ArrayList<String[]>() {{
            add(new String[]{"api-docs"});
            add(new String[]{"v2", "api-docs"});
            add(new String[]{"v2", "api-docs-ext"});
            add(new String[]{"swagger", "v1", "swagger.json"});
        }}, (baseRequestResponse, checkRequest, newUrl) -> {
            IResponseKeywords founds = Utils.Helpers.analyzeResponseKeywords(new ArrayList<String>() {{
                add("\"swagger\":");
            }}, checkRequest.getResponse());
            if (BypassPayloadUtils.hasFound(founds, 0) && Utils.Helpers.analyzeResponse(checkRequest.getResponse()).getStatusCode() == 200) {
                Utils.Callback.printOutput("found " + newUrl + ".\r\n");
                return new Issue(
                        baseRequestResponse.getHttpService(), newUrl,
                        new IHttpRequestResponse[]{checkRequest},
                        "API-Docs found.",
                        "URL: " + newUrl,
                        "Medium", false);
            } else {
                return null;
            }
        }));
        add(new Payload(new ArrayList<String[]>() {{
            add(new String[]{"doc.html"});
        }}, (baseRequestResponse, checkRequest, newUrl) -> null));
    }};

    @Override
    public String getName() {
        return "API Doc";
    }

    @Override
    public List<Issue> check(URL url, IHttpRequestResponse originRequestResponse) {
        IRequestInfo originRequest = Utils.Helpers.analyzeRequest(originRequestResponse);
        List<String> originHeaders = originRequest.getHeaders();
        List<Issue> result = new ArrayList<>();
        for (Payload payload : payloads) {
            List<Issue> issues = new ArrayList<>();
            for (String[] resParts : payload.resources) {
                for (URL newUrl : BypassPayloadUtils.getBypassPayloads(url, resParts, ConfigUtils.getDict(ConfigUtils.DIR_BYPASS))) {
                    byte[] newRequest = BypassPayloadUtils.makeNewGETRequest(originHeaders, newUrl);
                    IHttpRequestResponse resp = Utils.Callback.makeHttpRequest(originRequestResponse.getHttpService(), newRequest);
                    Issue issue = payload.responseChecker.checkResponse(originRequestResponse, resp, newUrl);
                    if (issue != null) {
                        issues.add(issue);
                        break;
                    }
                }
                if (issues.size() > 0) {
                    break;
                }
            }
            result.addAll(issues);
        }
        return result;
    }
}


================================================
FILE: src/main/java/burp/scanner/sub/SpringActuator.java
================================================
package burp.scanner.sub;

import burp.*;
import burp.scanner.IResponseChecker;
import burp.scanner.ISubScanner;
import burp.scanner.Payload;
import burp.scanner.SpringScanner;
import burp.utils.BypassPayloadUtils;
import burp.utils.ConfigUtils;
import burp.utils.Utils;

import java.net.URL;
import java.util.ArrayList;
import java.util.List;

public class SpringActuator implements ISubScanner {
    private SpringScanner scanner;

    public SpringActuator(SpringScanner scanner) {
        this.scanner = scanner;
    }

    private final List<Payload> payloads = new ArrayList<Payload>() {{
        add(new Payload(new ArrayList<String[]>() {{
            add(new String[]{"env"});
            add(new String[]{"actuator", "env"});
        }}, (baseRequestResponse, checkRequest, newUrl) -> {
            IResponseKeywords founds = Utils.Helpers.analyzeResponseKeywords(new ArrayList<String>() {{
                add("java.version");
                add("os.arch");
            }}, checkRequest.getResponse());
            if (BypassPayloadUtils.hasFound(founds, 0) && Utils.Helpers.analyzeResponse(checkRequest.getResponse()).getStatusCode() == 200) {
                Utils.Callback.printOutput("found " + newUrl + ".\r\n");
                return new Issue(
                        baseRequestResponse.getHttpService(),
                        newUrl,
                        new IHttpRequestResponse[]{checkRequest},
                        "Spring Actuator-Env found.",
                        "URL: " + newUrl,
                        "Medium", true);
            } else {
                return null;
            }
        }));
        add(new Payload(new ArrayList<String[]>() {{
            add(new String[]{"actuator"});
        }}, (baseRequestResponse, checkRequest, newUrl) -> {
            IResponseKeywords founds = Utils.Helpers.analyzeResponseKeywords(new ArrayList<String>() {{
                add("health");
                add("{\"self\":{");
                add("{\"_links\":{");
            }}, checkRequest.getResponse());
            if (BypassPayloadUtils.hasFound(founds, 0) && Utils.Helpers.analyzeResponse(checkRequest.getResponse()).getStatusCode() == 200) {
                Utils.Callback.printOutput("found " + newUrl + ".\r\n");
                return new Issue(
                        baseRequestResponse.getHttpService(),
                        newUrl,
                        new IHttpRequestResponse[]{checkRequest},
                        "Spring Actuator found.",
                        "URL: " + newUrl,
                        "Medium", false);
            } else {
                return null;
            }
        }));
    }};

    @Override
    public String getName() {
        return "Spring Actuator";
    }


    @Override
    public List<Issue> check(URL url, IHttpRequestResponse originRequestResponse) {
        IRequestInfo originRequest = Utils.Helpers.analyzeRequest(originRequestResponse);
        List<String> originHeaders = originRequest.getHeaders();
        List<Issue> result = new ArrayList<>();
        for (Payload payload : payloads) {
            List<Issue> issues = new ArrayList<>();
            for (String[] resParts : payload.resources) {
                if (Utils.urlAllowScan(resParts)) {
                    for (URL newUrl : BypassPayloadUtils.getBypassPayloads(url, resParts, ConfigUtils.getDict(ConfigUtils.DIR_BYPASS))) {
                        IHttpRequestResponse resp = scanner.doRequest(originHeaders, originRequestResponse, newUrl);
                        if (resp != null) {
                            Issue issue = payload.responseChecker.checkResponse(originRequestResponse, resp, newUrl);
                            if (issue != null) {
                                issues.add(issue);
                                break;
                            }
                        }
                    }
                }
                if (issues.size() > 0) {
                    break;
                }
            }
            result.addAll(issues);
        }
        return result;
    }
}


================================================
FILE: src/main/java/burp/ui/UIHandler.java
================================================
package burp.ui;

import burp.BurpExtender;
import burp.ITab;
import burp.utils.ConfigUtils;
import burp.utils.UIUtil;
import burp.utils.Utils;
import jdk.nashorn.internal.runtime.regexp.joni.Config;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.awt.*;
import java.util.ArrayList;
import java.util.List;

public class UIHandler implements ITab {
    public JPanel mainPanel;
    public BurpExtender parent;
    public JTextField dirScanDeeper;
    public static final List<String> DefaultBypass = new ArrayList<String>() {{
        add(".");
        add(";");
    }};
    public static final List<String> DefaultScanPoint = new ArrayList<String>() {{
        add("/env");
        add("/actuator");
        add("/actuator/env");
    }};

    public UIHandler(BurpExtender parent) {
        this.parent = parent;
        this.initUI();
    }

    private void applyDefaultBypassIfNotSet() {
        String val = ConfigUtils.get(ConfigUtils.DIR_BYPASS);
        if (val == null || val.isEmpty()) {
            for (String str : DefaultBypass) {
                ConfigUtils.setStrToDict(ConfigUtils.DIR_BYPASS, str, true);
            }
        }
    }

    private void applyDefaultScanPointIfNotSet() {
        String val = ConfigUtils.get(ConfigUtils.SCAN_POINT);
        if (val == null || val.isEmpty()) {
            for (String str : DefaultScanPoint) {
                ConfigUtils.setStrToDict(ConfigUtils.SCAN_POINT, str, true);
            }
        }
    }

    private void initUI() {
        applyDefaultBypassIfNotSet();
        applyDefaultScanPointIfNotSet();
        Utils.SplitDeep = ConfigUtils.getInt(ConfigUtils.DIR_SCAN_DEEPER, 3);
        this.mainPanel = new JPanel();
        mainPanel.setAlignmentX(0.0f);
        mainPanel.setBorder(new EmptyBorder(10, 10, 10, 10));
        mainPanel.setLayout(new BoxLayout(mainPanel, 1));
        EmptyBorder border = new EmptyBorder(5, 5, 6, 6);


        JPanel panel1 = UIUtil.GetXJPanel();

        JLabel savedTip0 = new JLabel("Saved!");
        savedTip0.setVisible(false);
        savedTip0.setBorder(border);
        savedTip0.setForeground(Color.GREEN);
        JCheckBox enableBox = new JCheckBox();
        enableBox.addActionListener(a -> {
            ConfigUtils.setBoolean(ConfigUtils.ENABLE, enableBox.isSelected());
            startTimerHide(savedTip0);
        });
        enableBox.setSelected(ConfigUtils.getBoolean(ConfigUtils.ENABLE, true));
        panel1.add(new JLabel("Enable: "));
        panel1.add(enableBox);
        panel1.add(savedTip0);
        mainPanel.add(panel1);

        panel1 = UIUtil.GetXJPanel();
        dirScanDeeper = new JTextField(10);
        dirScanDeeper.setText(String.valueOf(ConfigUtils.getInt(ConfigUtils.DIR_SCAN_DEEPER, 3)));
        dirScanDeeper.setMaximumSize(dirScanDeeper.getPreferredSize());
        panel1.add(new JLabel("Dir Scan Deeper: "));
        panel1.add(dirScanDeeper);
        panel1.add(new JButton("Save") {{
            addActionListener(l -> {
                try {
                    int val = Integer.parseInt(dirScanDeeper.getText());
                    Utils.SplitDeep = val;
                    ConfigUtils.setInt(ConfigUtils.DIR_SCAN_DEEPER, val);
                    JOptionPane.showMessageDialog(mainPanel, "OK!");
                } catch (Exception ex) {
                    JOptionPane.showMessageDialog(mainPanel, "Must be number!");
                }
            });
        }});
        mainPanel.add(panel1);

        panel1 = UIUtil.GetXJPanel();
        panel1.add(new JLabel("Use Bypass: "));
        JLabel savedTip1 = new JLabel("Saved!");
        savedTip1.setVisible(false);
        savedTip1.setBorder(border);
        savedTip1.setForeground(Color.GREEN);
        for (String str : new String[]{
                ".",
                ";",
                "..;",
                ";%09..;",
                ";%09..",
                ";%2f..",
                "*",
                "%09",
                "%20",
                "%23",
                "%2e",
                "%2f"
        }) {
            JCheckBox checkBox = new JCheckBox();
            checkBox.setText(str);
            checkBox.addActionListener(a -> {
                ConfigUtils.setStrToDict(ConfigUtils.DIR_BYPASS, str, checkBox.isSelected());
                startTimerHide(savedTip1);
            });
            checkBox.setSelected(ConfigUtils.getStrInDict(ConfigUtils.DIR_BYPASS, str, false));
            panel1.add(checkBox);
        }
        panel1.add(savedTip1);
        mainPanel.add(panel1);

        panel1 = UIUtil.GetXJPanel();
        panel1.add(new JLabel("Scan Point: "));
        JLabel savedTip2 = new JLabel("Saved!");
        savedTip2.setVisible(false);
        savedTip2.setBorder(border);
        savedTip2.setForeground(Color.GREEN);
        for (String str : new String[]{
                "/env",
                "/actuator",
                "/actuator/env"
        }) {
            JCheckBox checkBox = new JCheckBox();
            checkBox.setText(str);
            checkBox.addActionListener(a -> {
                ConfigUtils.setStrToDict(ConfigUtils.SCAN_POINT, str, checkBox.isSelected());
                startTimerHide(savedTip2);
            });
            checkBox.setSelected(ConfigUtils.getStrInDict(ConfigUtils.SCAN_POINT, str, false));
            panel1.add(checkBox);
        }
        panel1.add(savedTip2);
        mainPanel.add(panel1);


//        BackendUIHandler bui = new BackendUIHandler(parent);
//        POCUIHandler pui = new POCUIHandler(parent);
//        FuzzUIHandler fui = new FuzzUIHandler(parent);
//        this.mainPanel.addTab("Backend", bui.getPanel());
//        this.mainPanel.addTab("POC", pui.getPanel());
//        this.mainPanel.addTab("Fuzz", fui.getPanel());
    }

    public void startTimerHide(JComponent component) {
        component.setVisible(true);
        Thread thread = new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    Thread.sleep(4000);
                    component.setVisible(false);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        });
        thread.setDaemon(true);
        thread.start();
    }

    @Override
    public String getTabCaption() {
        return "SpringSpider";
    }

    @Override
    public Component getUiComponent() {
        return mainPanel;
    }
}


================================================
FILE: src/main/java/burp/utils/BypassPayloadUtils.java
================================================
package burp.utils;

import burp.IResponseKeywords;

import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public class BypassPayloadUtils {
    public static final String[] URL_BYPASS = new String[]{
            ".",
            ";",
 //           "..;",
/*            ";%09..;",
            ";%09..",
            ";%2f..",
            "*",
            "%09",
            "%20",
            "%23",
            "%2e",
            "%2f"*/
    };
    public static final String[] HEADER_BYPASS = new String[]{
            "Client-IP",
            "X-Real-IP",
            "Redirect",
            "Referer",
            "X-Client-IP",
            "X-Custom-IP-Authorization",
            "X-Forwarded-By",
            "X-Forwarded-For",
            "X-Forwarded-Host",
            "X-Forwarded-Port",
            "X-True-IP"
    };
    public static final String[] GET_SKIPED_HEADERS = new String[]{"content-type", "content-length"};

    public static URL[] getBypassPayloads(URL baseUrl, String[] resParts, String[] bypass) {
        List<URL> result = new ArrayList<>();
        String originUrl = baseUrl.toString();
        originUrl = originUrl.endsWith("/") ? originUrl : originUrl + "/";
        try {
            result.add(new URL(originUrl + String.join("/", resParts)));
            for (String bypassPayload : bypass) {
                result.add(new URL(originUrl + bypassPayload + "/" + String.join("/" + bypassPayload + "/", resParts)));
            }
        } catch (Exception ex) {
            System.out.println(ex);
        }
        return result.toArray(new URL[0]);
    }

    public static byte[] makeNewGETRequest(List<String> originHeaders, URL url) {
        List<String> headers = new ArrayList<String>() {{
            add(
                    "GET " + url.getPath() + " HTTP/1.1"
            );
        }};
        List<String> headerBypass = new ArrayList(Arrays.asList(HEADER_BYPASS));
        for (int i = 1; i < originHeaders.size(); i++) { //skip url line.
            HttpHeader header = new HttpHeader(originHeaders.get(i));
            List<String> needSkipheader = headerBypass.stream().filter(h -> h.equalsIgnoreCase(header.Name)).collect(Collectors.toList());
            needSkipheader.forEach(headerBypass::remove);
            if (Arrays.stream(GET_SKIPED_HEADERS).anyMatch(e -> e.equalsIgnoreCase(header.Name))) {
                continue;
            } else {
                if (header.Name.equalsIgnoreCase("accept")) {
                    headers.add("Accept: */*");
                } else {
                    headers.add(header.toString());
                }
            }
        }
        for (String headerName : headerBypass) {
            switch (headerName) {
                case "X-Forwarded-Port":
                    headers.add(String.format("%s: %s", headerName, url.getPort()));
                    break;
                default:
                    headers.add(String.format("%s: %s", headerName, "127.0.0.1"));
            }
        }
        return Utils.Helpers.buildHttpMessage(headers, null);
    }

    public static boolean hasFound(IResponseKeywords keywords, int responseIndex) {
        for (String keyword : keywords.getInvariantKeywords()) {
            if (keywords.getKeywordCount(keyword, responseIndex) > 0) {
                return true;
            }
        }
        return false;
    }
}


================================================
FILE: src/main/java/burp/utils/ConfigUtils.java
================================================
package burp.utils;

import com.jayway.jsonpath.DocumentContext;
import com.jayway.jsonpath.JsonPath;
import net.minidev.json.JSONArray;


public class ConfigUtils {
    public static final String DIR_SCAN_DEEPER = "dir_scan_deeper";
    public static final String DIR_BYPASS = "dir_bypass";
    public static final String SCAN_POINT = "scan_point";
    public static final String ENABLE = "enable";

    public static String get(String name) {
        return Utils.Callback.loadExtensionSetting(name);
    }

    public static String get(String name, String defaultValue) {
        String val = get(name);
        return val == null || val.isEmpty() ? defaultValue : val;
    }

    public static int getInt(String name, int defaultValue) {
        String val = get(name);
        return val == null || val.isEmpty() ? defaultValue : Integer.parseInt(val);
    }

    public static boolean getBoolean(String name, boolean defaultValue) {
        String val = get(name);
        return val == null || val.isEmpty() ? defaultValue : val.equals("1");
    }

    public static boolean getStrInDict(String name, String str, boolean defaultValue) {
        String val = get(name);
        if (val == null || val.isEmpty())
            return defaultValue;
        try {
            DocumentContext array = JsonPath.parse(val);
            if (array.json() instanceof JSONArray) {
                return ((JSONArray) array.json()).contains(str);
            } else {
                return defaultValue;
            }
        } catch (Exception ex) {
            return defaultValue;
        }
    }

    public static void setStrToDict(String name, String str, boolean value) {
        String val = get(name);
        if (val == null || val.isEmpty())
            val = "[]";
        DocumentContext array = null;
        try {
            array = JsonPath.parse(val);
        } catch (Exception ex) {
            array = JsonPath.parse("[]");
        }
        JSONArray arr = array.json();
        if (value && !arr.contains(str)) {
            arr.add(str);
        } else if (!value && arr.contains(str)) {
            arr.remove(str);
        }
        set(name, arr.toJSONString());
    }

    public static String[] getDict(String name) {
        String val = get(name);
        if (val == null || val.isEmpty())
            return new String[0];
        DocumentContext array = null;
        try {
            array = JsonPath.parse(val);
        } catch (Exception ex) {
            return new String[0];
        }
        JSONArray arr = array.json();
        return arr.toArray(new String[0]);
    }

    public static void set(String name, String value) {
        Utils.Callback.saveExtensionSetting(name, value);
    }

    public static void setBoolean(String name, boolean value) {
        set(name, value ? "1" : "0");
    }

    public static void setInt(String name, int value) {
        set(name, String.valueOf(value));
    }

    public static void main(String[] args) {

    }
}


================================================
FILE: src/main/java/burp/utils/HttpHeader.java
================================================
package burp.utils;

public class HttpHeader {
    public String Name;
    public String Value = "";

    public HttpHeader(String src) {
        int headerLength = src.indexOf(':');
        if (headerLength > -1) {
            Name = src.substring(0, headerLength);
            Value = src.substring(headerLength + 1).trim();
        } else {
            Name = src;
        }
    }

    @Override
    public String toString() {
        return String.format("%s: %s", Name, Value);
    }
}


================================================
FILE: src/main/java/burp/utils/UIUtil.java
================================================
package burp.utils;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.awt.*;

public class UIUtil {
    public static JPanel GetXJPanel() {
        JPanel panel1 = new JPanel();
        panel1.setAlignmentX(0.0f);
        panel1.setLayout(new BoxLayout(panel1, 0));
        panel1.setForeground(new Color(249, 130, 11));
        panel1.setBorder(new EmptyBorder(5, 0, 5, 0));
        return panel1;
    }

    public static JPanel GetYJPanel() {
        JPanel panel1 = new JPanel();
        panel1.setAlignmentX(0.0f);
        panel1.setLayout(new BoxLayout(panel1, 1));
        panel1.setForeground(new Color(249, 130, 11));
        panel1.setBorder(new EmptyBorder(5, 0, 5, 0));
        return panel1;
    }
}


================================================
FILE: src/main/java/burp/utils/Utils.java
================================================
package burp.utils;


import burp.IBurpExtenderCallbacks;
import burp.IExtensionHelpers;

import java.lang.reflect.Field;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.*;
import java.util.concurrent.ThreadLocalRandom;

public class Utils {
    public static IBurpExtenderCallbacks Callback;
    public static IExtensionHelpers Helpers;
    private static MessageDigest md;
    private static SecureRandom rand = new SecureRandom();
    public static int SplitDeep = 3;

    public static long getRandomLong() {
        return rand.nextLong();
    }

    public static int GetRandomNumber(int min, int max) {
        return rand.nextInt(max - min + 1) + min;
    }

    public static Boolean GetRandomBoolean() {
        return rand.nextInt(100) > 50;
    }

    public static String GetRandomString(int length) {
        String str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < length; i++) {
            int number = rand.nextInt(str.length() - 1);
            sb.append(str.charAt(number));
        }
        return sb.toString();
    }

    public static int[] getRandomIndex(int size, int max) {
        if (size > max) size = max;
        return ThreadLocalRandom.current().ints(0, max).distinct().limit(size).toArray();
    }

    public static String confusionChars(String[] _chars) {
        int confusionCount = Utils.GetRandomNumber(1, _chars.length);
        return confusionChars(_chars, confusionCount);
    }

    public static String confusionChars(String[] _chars, int confusionCount) {
        StringBuilder result = new StringBuilder();
        int[] confustionCharIndexs = Utils.getRandomIndex(confusionCount, _chars.length);
        for (int i = 0; i < _chars.length; i++) {
            int finalI = i;
            if (Arrays.stream(confustionCharIndexs).anyMatch(c -> c == finalI)) {
                result.append(confusionChar(_chars[i]));
            } else {
                result.append(_chars[i]);
            }
        }
        return result.toString();
    }

    public static String confusionChar(String _char) {
        int garbageCount = Utils.GetRandomNumber(2, 5);
        StringBuilder garbage = new StringBuilder();
        for (int i = 0; i < garbageCount; i++) {
            int garbageLength = Utils.GetRandomNumber(3, 6);
            String garbageWord = Utils.GetRandomString(garbageLength);
            garbage.append(garbageWord).append(":");
        }
        return String.format("${%s-%s}", garbage, _char);
    }

    public static byte[] byteMerger(byte[] bt1, byte[] bt2) {
        byte[] bt3 = new byte[bt1.length + bt2.length];
        System.arraycopy(bt1, 0, bt3, 0, bt1.length);
        System.arraycopy(bt2, 0, bt3, bt1.length, bt2.length);
        return bt3;
    }


    public static String getUrlFileExt(String url) {
        String pureUrl = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
        return (pureUrl.lastIndexOf(".") > -1 ? pureUrl.substring(pureUrl.lastIndexOf(".") + 1) : "").toLowerCase();
    }

    public static URL[] splitUrls(URL url) {
        List<URL> urls = new ArrayList<>();
        try {
            String baseUrl = url.getProtocol() + "://" + url.getAuthority() + "/";
            String[] paths = url.getPath().split("/");
            for (String path : paths) {
                if (urls.size() >= SplitDeep) break;
                String tmpUrl = baseUrl + path;
                urls.add(new URL(tmpUrl));
                //urls.add(new URL(tmpUrl + (tmpUrl.endsWith("/") ?  ".." : "/..")));
                baseUrl += path + (path.isEmpty() ? "" : "/");
            }
        } catch (Exception ex) {
            System.out.println(ex);
        }
        return urls.toArray(new URL[0]);
    }

    public static boolean urlAllowScan(String[] urlParts) {
        String url = "/" + String.join("/", urlParts);
        return ConfigUtils.getStrInDict(ConfigUtils.SCAN_POINT, url, false);
    }

    public static String getCurrentTimeMillis() {
        return String.valueOf(System.currentTimeMillis());
    }

    public static byte[] Replace(byte[] request, int[] selectedIndexRange, byte[] targetBytes) {
        byte[] result = new byte[request.length - (selectedIndexRange[1] - selectedIndexRange[0]) + targetBytes.length];
        System.arraycopy(request, 0, result, 0, selectedIndexRange[0]);
        System.arraycopy(targetBytes, 0, result, selectedIndexRange[0], targetBytes.length);
        System.arraycopy(request, selectedIndexRange[1], result, selectedIndexRange[0] + targetBytes.length, request.length - selectedIndexRange[1]);
        return result;
    }

    public static String MD5(String src) {
        return Base64.getEncoder().encodeToString(MD5(src.getBytes(StandardCharsets.UTF_8)));
    }

    public static byte[] MD5(byte[] src) {
        if (md == null) {
            try {
                md = MessageDigest.getInstance("md5");
            } catch (NoSuchAlgorithmException e) {
                throw new RuntimeException("MD5 not found!");
            }
        }
        byte[] secretBytes = null;
        secretBytes = md.digest(src);
        return secretBytes;
    }

    public static String[] splitString(String str) {
        String[] result = new String[str.length()];
        for (int i = 0; i < str.length(); i++) {
            result[i] = String.valueOf(str.charAt(i));
        }
        return result;
    }
}