title: Defense Evasion Activity
id: 2f252d3e-23b1-50f6-9eba-b8165067769d
custom_id: wf-auth-007
status: stable
level: high
description: |
    Detects defense evasion techniques including log tampering, security tool
    disabling, indicator removal, and other actions intended to avoid detection
    by security monitoring systems.
author: WitFoo
date: 2026-02-21
tags:
    - attack.defense_evasion
    - attack.t1562
references:
    - https://attack.mitre.org/techniques/T1562/
logsource:
    product: witfoo
    service: artifact-exporter
detection:
    selection:
        messageType: "defense_evasion"
    condition: selection
fields:
    - clientIP
    - serverIP
    - userName
    - program
    - action
    - matchedLeadRules
falsepositives:
    - Security tool updates and restarts
    - Log rotation and archival processes
    - System maintenance requiring temporary security changes
