All articles tagged as:

redteam

Exploring PowerShell AMSI and Logging Evasion

By now, many of us know that during an engagement, AMSI (Antimalware Scripting Interface) can be used to trip up PowerShell scripts in an operators arsenal. Attempt to IEX Invoke-Mimikatz without taking care of AMSI, and it could be game over for your undetected campaign.…

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Understanding and Evading Get-InjectedThread

One of the many areas of this field that I really enjoy is the "cat and mouse" game played between RedTeam and BlueTeam, each forcing the other to up their game. Often we see some awesome tools being released to help defenders detect malware or shellcode execution, and knowing just how these defensive capabilities function is important when performing a successful pentest or RedTeam engagement. Recently I came across the awesome post "Defenders Think in Graphs Too!", which can be found over on the SpectreOps blog here. This post is the start of a series looking at "dat…

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Alternative methods of becoming SYSTEM

For many pentesters, Meterpreter's getsystem command has become the default method of gaining SYSTEM account privileges, but have you ever have wondered just how this works behind the scenes? In this post I will show the details of how this technique works, and explore a couple of methods which are not quite as popular, but may help evade detection on those tricky redteam engagements. Meterpreter's "getsystem" Most of you will have used the getsystem module in Meterpreter before. For those that haven't, getsystem is a module offered by the Metasploit-Framework which allows an adminis…

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Kerberos AD Attacks - More Roasting with AS-REP

This post continues with the series of tutorials looking at Kerberos and Active Directory attacks. If you have not had chance to review any of the previous posts in this series, I'd recommend checking them out: Kerberos AD Attacks - Kerberoasting Using machine account credentials during an engagement Setting Service Principal Names To Roast Accounts In this post we will be exploring another "roasting" method which involves exploiting a weak account configuration setting in Active Directory.. AS-REP Roasting. LAB Setup For this tutorial, our lab will be set up to consist of the severa…

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