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July 6, 2020

Bypassing CrowdStrike Endpoint Detection and Response

In a recent engagement I had to compromise a hardened desktop running CrowdStrike and Symantec Endpoint Protection. The initial code execution method was my reliable favourite MSBuild (C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe) which could be leveraged to execute C# code as an inline task. Initially I wrote a very basic loader that used a bruteforce decryption algorithm to run… Continue reading Bypassing CrowdStrike Endpoint Detection and Response

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