Windows Credential Manager Access via VaultCmd — Sigma Rule

Rule metadata and linked tags

Author: frack113. Source status: test; severity: medium. Source dates: 2022-04-08 / 2022-05-13.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 439cc2635310c6105a2a00d7fd203354d106b058f5216697f5698be30fc120f0

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: Windows Credential Manager Access via VaultCmd
id: 58f50261-c53b-4c88-bd12-1d71f12eda4c
status: test
description: List credentials currently stored in Windows Credential Manager via the native Windows utility vaultcmd.exe
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1555.004/T1555.004.md#atomic-test-1---access-saved-credentials-via-vaultcmd
author: frack113
date: 2022-04-08
modified: 2022-05-13
tags:
    - attack.credential-access
    - attack.t1555.004
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\VaultCmd.exe'
        - OriginalFileName: 'VAULTCMD.EXE'
    selection_cli:
        CommandLine|contains: '/listcreds:'
    condition: all of selection*
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1555.004/T1555.004.md#atomic-test-1---access-saved-credentials-via-vaultcmd