Sigma rule: Powershell Inline Execution From A File

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-630dd57d7f73, updated 2022-12-25T00:00:00.000Z.

Rule

Title: Powershell Inline Execution From A File
Status: test
Level: medium
Author: frack113
Date: 2022-12-25
File: rules/windows/process_creation/proc_creation_win_powershell_exec_data_file.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects inline execution of PowerShell code from a file

Log source

product: windows
category: process_creation

Detection

selection_exec:
    CommandLine|contains:
        - 'iex '
        - 'Invoke-Expression '
        - 'Invoke-Command '
        - 'icm '
selection_read:
    CommandLine|contains:
        - 'cat '
        - 'get-content '
        - 'type '
selection_raw:
    CommandLine|contains: ' -raw'
condition: all of selection_*

False positives (as the rule lists them)

Unknown

MITRE ATT&CK ids this rule names

T1059.001

References

https://speakerdeck.com/heirhabarov/hunting-for-powershell-abuse?slide=50

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_powershell_exec_data_file.yml

Sources and licences

SigmaHQ
"Powershell Inline Execution From A File" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_powershell_exec_data_file.yml.
Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License
Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Powershell Inline Execution From A File",
entity page, dataset version ref-630dd57d7f73, updated 2022-12-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/ee218c12-627a-4d27-9e30-d6fb2fe22ed2 (accessed 2026-11-03).
Underlying source: SigmaHQ rule ee218c12-627a-4d27-9e30-d6fb2fe22ed2, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.