Detectionmediumtest

Indicator Removal on Host - Clear Mac System Logs

Detects deletion of local audit logs

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Launch
remotephone, oscd.communityCreated Sun Oct 11Updated Fri Sep 16acf61bd8-d814-4272-81f0-a7a269aa69aamacos
Log Source
macOSProcess Creation
ProductmacOS← raw: macos
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic3 selectors
detection:
    selection1:
        Image|endswith:
            - '/rm'
            - '/unlink'
            - '/shred'
    selection_cli_1:
        CommandLine|contains: '/var/log'
    selection_cli_2:
        CommandLine|contains|all:
            - '/Users/'
            - '/Library/Logs/'
    condition: selection1 and 1 of selection_cli*
False Positives

Legitimate administration activities

Rule Metadata
Rule ID
acf61bd8-d814-4272-81f0-a7a269aa69aa
Status
test
Level
medium
Type
Detection
Created
Sun Oct 11
Modified
Fri Sep 16
Path
rules/macos/process_creation/proc_creation_macos_clear_system_logs.yml
Raw Tags
attack.defense-evasionattack.t1070.002
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