#T1070.002 Clear Linux or Mac System Logs

Technique

  • Tactics: Defense Evasion
  • Description:

    Adversaries may clear system logs to hide evidence of an intrusion. macOS and Linux both keep track of system or user-initiated actions via system logs. The majority of native system logging is stored under the <code>/var/log/</code> directory. Subfolders in this directory categorize logs by their related functions, such as:(Citation: Linux Logs)

    * <code>/var/log/messages:</code>: General and system-related messages
    * <code>/var/log/secure</code> or <code>/var/log/auth.log</code>: Authentication logs
    * <code>/var/log/utmp</code> or <code>/var/log/wtmp</code>: Login records
    * <code>/var/log/kern.log</code>: Kernel logs
    * <code>/var/log/cron.log</code>: Crond logs
    * <code>/var/log/maillog</code>: Mail server logs
    * <code>/var/log/httpd/</code>: Web server access and error logs

  • First Seen: Lazarus targets defense industry with ThreatNeedle • 2021-02-25
MITRE ATT&CK

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