Clear Mailbox Data (T1070.008)

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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)
Cash, D. et al. (2020, December 14). Dark Halo Leverages SolarWinds Compromise to Breach Organizations. Retrieved December 29, 2020. Volexity SolarWinds
Dahan, A. (2017). Operation Cobalt Kitty. Retrieved December 27, 2018. Cybereason Cobalt Kitty 2017
Michael Kerrisk. (2021, August 27). mailx(1p) — Linux manual page. Retrieved June 10, 2022. mailx man page
Microsoft. (2017, September 25). ExchangePowerShell. Retrieved June 10, 2022. ExchangePowerShell Module
Microsoft. (2023, September 22). Malicious OAuth applications abuse cloud email services to spread spam. Retrieved March 13, 2023. Microsoft OAuth Spam 2022