Cisco File Deletion — Sigma Rule

Rule metadata and linked tags

Author: Austin Clark. Source status: test; severity: medium. Source dates: 2019-08-12 / 2023-01-04.

{
  "product": "cisco",
  "service": "aaa"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 32e39a310bb72430f0bf916db9bb7b2ae9e9e64accfe6830809e6380f5ee12ef

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Cisco File Deletion
id: 71d65515-c436-43c0-841b-236b1f32c21e
status: test
description: See what files are being deleted from flash file systems
author: Austin Clark
date: 2019-08-12
modified: 2023-01-04
tags:
    - attack.impact
    - attack.stealth
    - attack.t1070.004
    - attack.t1561.001
    - attack.t1561.002
logsource:
    product: cisco
    service: aaa
detection:
    keywords:
        - 'erase'
        - 'delete'
        - 'format'
    condition: keywords
falsepositives:
    - Will be used sometimes by admins to clean up local flash space
level: medium

Original YAML and metadata in JSON

False positives

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

Source references

No reviewed association in this snapshot.