Gatekeeper Bypass (T1553.001)

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In Playbook

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)
Brandon Dalton. (2022, August 9). A bundle of nerves: Tweaking macOS security controls to thwart application bundle manipulation. Retrieved September 27, 2022. Application Bundle Manipulation Brandon Dalton
Csaba Fitzl. (2021, June 29). GateKeeper - Not a Bypass (Again). Retrieved September 22, 2021. theevilbit gatekeeper bypass 2021
Eddie Lee. (2016, February 17). OceanLotus for OS X - an Application Bundle Pretending to be an Adobe Flash Update. Retrieved July 5, 2017. OceanLotus for OS X
hoakley. (2020, October 29). Quarantine and the quarantine flag. Retrieved September 13, 2021. TheEclecticLightCompany Quarantine and the flag
How Notarization Works. (2020, August 28). How notarization works. Retrieved September 13, 2021. TheEclecticLightCompany apple notarization
Phil Stokes. (2021, February 16). 20 Common Tools & Techniques Used by macOS Threat Actors & Malware. Retrieved August 23, 2021. 20 macOS Common Tools and Techniques