Sigma rule: Cisco Clear Logs

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-c08cda514168, updated 2023-05-26T00:00:00.000Z.

Rule

Title
Cisco Clear Logs
Status
test
Level
high
Author
Austin Clark
Date
2019-08-12
Modified
2023-05-26
File
rules/network/cisco/aaa/cisco_cli_clear_logs.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Clear command history in network OS which is used for defense evasion

Log source

product
cisco
service
aaa

Detection

keywords:
    - 'clear logging'
    - 'clear archive'
condition: keywords

False positives (as the rule lists them)

  • Legitimate administrators may run these commands

Tags

  • attack.stealth
  • attack.t1070.003

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/network/cisco/aaa/cisco_cli_clear_logs.yml

Sources and licences

  • SigmaHQ

    "Cisco Clear Logs" by Austin Clark (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/network/cisco/aaa/cisco_cli_clear_logs.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Cisco Clear Logs",
entity page, dataset version ref-c08cda514168, updated 2023-05-26T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/ceb407f6-8277-439b-951f-e4210e3ed956 (accessed 2026-11-03).
Underlying source: SigmaHQ rule ceb407f6-8277-439b-951f-e4210e3ed956, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.