Detection rules › Sigma

Github Delete Action Invoked

Status
test
Severity
medium
Log source
product github, service audit
Author
Muhammad Faisal (@faisalusuf)
Source
github.com/SigmaHQ/sigma

Detects delete action in the Github audit logs for codespaces, environment, project and repo.

MITRE ATT&CK coverage

Event coverage

Rules detecting the same action

Other rules on this platform that filter on the same API call or operation.

Rule body yaml

title: Github Delete Action Invoked
id: 16a71777-0b2e-4db7-9888-9d59cb75200b
status: test
description: Detects delete action in the Github audit logs for codespaces, environment, project and repo.
author: Muhammad Faisal (@faisalusuf)
date: 2023-01-19
modified: 2026-03-09
references:
    - https://docs.github.com/en/organizations/keeping-your-organization-secure/managing-security-settings-for-your-organization/reviewing-the-audit-log-for-your-organization#audit-log-actions
    - https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/security-log-events#codespaces
tags:
    - attack.impact
    - attack.collection
    - attack.t1213.003
logsource:
    product: github
    service: audit
    definition: 'Requirements: The audit log streaming feature must be enabled to be able to receive such logs. You can enable following the documentation here: https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-activity-in-your-enterprise/reviewing-audit-logs-for-your-enterprise/streaming-the-audit-log-for-your-enterprise#setting-up-audit-log-streaming'
detection:
    selection:
        action:
            - 'codespaces.destroy'
            - 'environment.delete'
            - 'project.delete'
            - 'repo.destroy'
    condition: selection
falsepositives:
    - Validate the deletion activity is permitted. The "actor" field need to be validated.
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    action:
        - 'codespaces.destroy'
        - 'environment.delete'
        - 'project.delete'
        - 'repo.destroy'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
actioneq
  • codespaces.destroy
  • environment.delete
  • project.delete
  • repo.destroy