Credentials In Files — Sigma Rule

Rule metadata and linked tags

Author: Igor Fits, Mikhail Larin, oscd.community. Source status: test; severity: high. Source dates: 2020-10-19 / 2021-11-27.

{
  "product": "macos",
  "category": "process_creation"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: fcf27ee33acc956f2fc2d43e86e3f256d0e7082db00dee6e374acc6e9fde3f27

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: Credentials In Files
id: 53b1b378-9b06-4992-b972-dde6e423d2b4
status: test
description: Detecting attempts to extract passwords with grep and laZagne
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1552.001/T1552.001.md
author: 'Igor Fits, Mikhail Larin, oscd.community'
date: 2020-10-19
modified: 2021-11-27
tags:
    - attack.credential-access
    - attack.t1552.001
logsource:
    product: macos
    category: process_creation
detection:
    selection1:
        Image|endswith: '/grep'
        CommandLine|contains: 'password'
    selection2:
        CommandLine|contains: 'laZagne'
    condition: 1 of selection*
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1552.001/T1552.001.md