Sigma rule: Cisco Modify Configuration

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-9ef884a174ce, updated 2025-04-28T00:00:00.000Z.

Rule

Title
Cisco Modify Configuration
Status
test
Level
medium
Author
Austin Clark
Date
2019-08-12
Modified
2025-04-28
File
rules/network/cisco/aaa/cisco_cli_modify_config.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Modifications to a config that will serve an adversary's impacts or persistence

Log source

product
cisco
service
aaa

Detection

keywords:
    - 'ip http server'
    - 'ip https server'
    - 'kron policy-list'
    - 'kron occurrence'
    - 'policy-list'
    - 'access-list'
    - 'ip access-group'
    - 'archive maximum'
    - 'ntp server'
condition: keywords

False positives (as the rule lists them)

  • Legitimate administrators may run these commands

Tags

  • attack.privilege-escalation
  • attack.execution
  • attack.persistence
  • attack.impact
  • attack.t1490
  • attack.t1505
  • attack.t1565.002
  • attack.t1053

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_modify_config.yml

Sources and licences

  • SigmaHQ

    "Cisco Modify Configuration" by Austin Clark (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/network/cisco/aaa/cisco_cli_modify_config.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 Modify Configuration",
entity page, dataset version ref-9ef884a174ce, updated 2025-04-28T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/671ffc77-50a7-464f-9e3d-9ea2b493b26b (accessed 2026-11-03).
Underlying source: SigmaHQ rule 671ffc77-50a7-464f-9e3d-9ea2b493b26b, 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.