Sigma rule: Cisco File Deletion

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-8da66f235bf4, updated 2023-01-04T00:00:00.000Z.

Rule

Title
Cisco File Deletion
Status
test
Level
medium
Author
Austin Clark
Date
2019-08-12
Modified
2023-01-04
File
rules/network/cisco/aaa/cisco_cli_file_deletion.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

See what files are being deleted from flash file systems

Log source

product
cisco
service
aaa

Detection

keywords:
    - 'erase'
    - 'delete'
    - 'format'
condition: keywords

False positives (as the rule lists them)

  • Will be used sometimes by admins to clean up local flash space

Tags

  • attack.impact
  • attack.stealth
  • attack.t1070.004
  • attack.t1561.001
  • attack.t1561.002

MITRE ATT&CK ids this rule names

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_file_deletion.yml

Sources and licences

  • SigmaHQ

    "Cisco File Deletion" by Austin Clark (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/network/cisco/aaa/cisco_cli_file_deletion.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 File Deletion",
entity page, dataset version ref-8da66f235bf4, updated 2023-01-04T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/71d65515-c436-43c0-841b-236b1f32c21e (accessed 2026-11-03).
Underlying source: SigmaHQ rule 71d65515-c436-43c0-841b-236b1f32c21e, 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.