Deobfuscate/Decode Files or Information (T1140)

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In Playbook

Technique & Subtechniques

  • Deobfuscate/Decode Files or Information

Associated Tactics

  • Defense Evasion

Defense Evasion (TA0005)

The adversary is trying to avoid being detected. Defense Evasion consists of techniques that adversaries use to avoid detection throughout their compromise. Techniques used for defense evasion include uninstalling/disabling security software or obfuscating/encrypting data and scripts. Adversaries also leverage and abuse trusted processes to hide and masquerade their malware. Other tactics’ techniques are cross-listed here when those techniques include the added benefit of subverting defenses.

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Procedure Examples

Description Source(s)
Adair, S.. (2016, November 9). PowerDuke: Widespread Post-Election Spear Phishing Campaigns Targeting Think Tanks and NGOs. Retrieved January 11, 2017. Volexity PowerDuke November 2016
Malwarebytes Labs. (2017, March 27). New targeted attack against Saudi Arabia Government. Retrieved July 3, 2017. Malwarebytes Targeted Attack against Saudi Arabia
Tedesco, B. (2016, September 23). Security Alert Summary. Retrieved February 12, 2018. Carbon Black Obfuscation Sept 2016