Email Hiding Rules (T1564.008)

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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)
Apple. (n.d.). Use rules to manage emails you receive in Mail on Mac. Retrieved June 14, 2021. MacOS Email Rules
Carr, N., Sellmer, S. (2021, June 14). Behind the scenes of business email compromise: Using cross-domain threat data to disrupt a large BEC campaign. Retrieved June 15, 2021. Microsoft BEC Campaign
Microsoft. (2023, February 22). Mail flow rules (transport rules) in Exchange Online. Retrieved March 13, 2023. Microsoft Mail Flow Rules 2023
Microsoft. (n.d.). Manage email messages by using rules. Retrieved June 11, 2021. Microsoft Inbox Rules
Microsoft. (n.d.). New-InboxRule. Retrieved June 7, 2021. Microsoft New-InboxRule
Microsoft. (n.d.). Set-InboxRule. Retrieved June 7, 2021. Microsoft Set-InboxRule
Niv Goldenberg. (2018, December 12). Rule your inbox with Microsoft Cloud App Security. Retrieved June 7, 2021. Microsoft Cloud App Security