sigmaDRL-1.1from SigmaHQ/sigma

Extracting Information with PowerShell

Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials. These can be files created by users to store their own credentials, shared credential stores for a group of individuals, configuration files containing passwords for a system or service, or source code/binary files containing embedded passwords.

Quality

100

FP risk

—

Forks

Views

ATT&CK techniques

T1552.001

Rule sourcerules/windows/powershell/powershell_script/posh_ps_susp_extracting.yml

title: Extracting Information with PowerShell
id: bd5971a7-626d-46ab-8176-ed643f694f68
status: test
description: |
    Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials.
    These can be files created by users to store their own credentials, shared credential stores for a group of individuals,
    configuration files containing passwords for a system or service, or source code/binary files containing embedded passwords.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1552.001/T1552.001.md
author: frack113
date: 2021-12-19
modified: 2022-12-25
tags:
    - attack.credential-access
    - attack.t1552.001
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains|all:
            - ls
            - ' -R'
            - 'select-string '
            - '-Pattern '
    condition: selection
falsepositives:
    - Unknown
level: medium