Invoke-DOSfuscation

Invoke-DOSfuscation v1.0 Introduzione Invoke-DOSfuscation è un framework di offuscamento dei comandi cmd.exe compatibile con PowerShell v2.0+. White paper: https://www.fireeye.com/blog/threat-research/2018/03/dosfuscation-exploring-obfuscation-and-detection-techniques.html Contesto Negli ultimi...

Cmd and Conquer: De-DOSfuscation with flare-qdb

When Daniel Bohannon released his excellent DOSfuscation paper, I was fascinated to see how tricks I used as a systems engineer could help attackers evade detection. I didn’t have much to contribute to this conversation until I had to analyze a hideously obfuscated batch file as part of my job on...

Cmd and Conquer: De-DOSfuscation with flare-qdb

When Daniel Bohannon released his excellent DOSfuscation paper, I was fascinated to see how tricks I used as a systems engineer could help attackers evade detection. I didn’t have much to contribute to this conversation until I had to analyze a hideously obfuscated batch file as part of my job on...

DOSfuscation: Exploring the Depths of Cmd.exe Obfuscation and Detection Techniques

Skilled attackers continually seek out new attack vectors, while employing evasion techniques to maintain the effectiveness of old vectors, in an ever-changing defensive landscape. Many of these threat actors employ obfuscation frameworks for common scripting languages such as JavaScript and...