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This project forked from ybdt/pentest-hub

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杀软对抗

JavaScript 40.58% Python 12.13% C 16.60% Go 26.53% Nim 1.82% HTML 2.10% Batchfile 0.25%

evasion-hub's Introduction

CobaltStrike、Metasploit静态免杀思路

1、loader + shellcode

1.1、c语言实现的loader
1.2、go语言实现的loader
1.3、loader变形

异或加密
睡眠函数,C语言睡眠函数:Sleep(1000)
base64编码
gzip压缩

1.4、(多篇文章提到)生成64位的shellcode比32位shellcode免杀效果更好一些

待尝试思路记录:

DNS分离免杀:https://mp.weixin.qq.com/s/bM_rsh8KxXwwyEkbHRTKsw

狼组团队:https://github.com/wgpsec/CS-Avoid-killing
https://mp.weixin.qq.com/s/G1hmsDVTO2208Ymlia_ggQ
https://github.com/An0ny-m0us/DesertFox
知道创宇公司:https://github.com/knownsec/shellcodeloader

Kill杀软:https://github.com/Yaxser/Backstab + https://github.com/secretsquirrel/SigThief

待尝试思路记录

1、Mimikatz还可以尝试分离免杀,参考:
https://github.com/lengjibo/RedTeamTools/tree/master/windows/mimikatz_bypassAV
https://github.com/lengjibo/RedTeamTools/tree/master/windows/mimikatz_bypass
2、调用其他API或使用procdump替代工具(如SqlDumper、SharpDump)dump进程lsass的内存,参考:
https://lengjibo.github.io/nod32-bypass/#more
https://uknowsec.cn/posts/notes/Mimikatz%E6%98%8E%E6%96%87%E5%AF%86%E7%A0%81%E6%8A%93%E5%8F%96.html
3、添加用户还可以尝试反射型dll注入,参考:
https://github.com/lengjibo/NetUser/blob/master/rdi_net_user.cpp
https://github.com/bats3c/DarkLoadLibrary/tree/master/DarkLoadLibrary
4、对于不能直接提取密码的windows server,可在添加用户后尝试RDP会话劫持实现未授权登录,参考:
https://mp.weixin.qq.com/s/GXvz4jXc8IPVQcXkB6L6_w
5、借助darkarmour,可参考:
https://www.cnblogs.com/cwkiller/p/14111601.html

2021/06/20测试总结

2021_06_19_CS内存中执行mimikatz过杀软提取密码 —— 能过360安全卫士(此时的最新版v13)、能过火绒(此时的最新版v5.0.61.1)
2021_06_19_Mimikatz源码免杀 —— 能过360安全卫士(此时的最新版v13)、不能过火绒(此时的最新版v5.0.61.1)
2021_06_19_Procdump+Mimikatz过杀软提取密码 —— 不能过360安全卫士(此时的最新版v13)、能过火绒(此时的最新版v5.0.61.1)
2021_06_20_过杀软添加用户 —— 能过360安全卫士(此时的最新版v13)、能过火绒(此时的最新版v5.0.61.1)

待尝试思路记录

1、免杀shellcode并绕过杀毒添加自启动
https://wtfsec.org/posts/%E5%85%8D%E6%9D%80shellcode%E5%B9%B6%E7%BB%95%E8%BF%87%E6%9D%80%E6%AF%92%E6%B7%BB%E5%8A%A0%E8%87%AA%E5%90%AF%E5%8A%A8/
2、Monitor持久化
https://mp.weixin.qq.com/s/ubNB9FAp3h2r7PqGUC9e0g
3、foxmail中设置开机自启,杀软没有任何提示,研究foxmail开机自启方式,尝试foxmail白利用的方式实现开机自启
4、QQ音乐的默认安装中会勾选开机自启动,且不会被杀软查杀,可尝试模仿QQ音乐的开机自启方式

evasion-hub's People

Contributors

ybdt avatar

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