Sigma rule: Potentially Suspicious Compression Tool Parameters

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-62eb09897bb9, updated 2023-08-29T00:00:00.000Z.

Rule

Title
Potentially Suspicious Compression Tool Parameters
Status
test
Level
medium
Author
Florian Roth (Nextron Systems), Samir Bousseaden
Date
2019-10-15
Modified
2023-08-29
File
rules-threat-hunting/windows/process_creation/proc_creation_win_susp_compression_params.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects potentially suspicious command line arguments of common data compression tools

Log source

product
windows
category
process_creation

Detection

selection:
    OriginalFileName:
        - '7z*.exe'
        - '*rar.exe'
        - '*Command*Line*RAR*'
    CommandLine|contains:
        - ' -p'
        - ' -ta'
        - ' -tb'
        - ' -sdel'
        - ' -dw'
        - ' -hp'
filter_main_generic:
    ParentImage|contains:
        - ':\Program Files\'
        - ':\Program Files (x86)\'
condition: selection and not 1 of filter_main_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.collection
  • attack.t1560.001
  • detection.threat-hunting

MITRE ATT&CK ids this rule names

References

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

Sources and licences

  • SigmaHQ

    "Potentially Suspicious Compression Tool Parameters" by Florian Roth (Nextron Systems), Samir Bousseaden (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-threat-hunting/windows/process_creation/proc_creation_win_susp_compression_params.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: Potentially Suspicious Compression Tool Parameters",
entity page, dataset version ref-62eb09897bb9, updated 2023-08-29T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/27a72a60-7e5e-47b1-9d17-909c9abafdcd (accessed 2026-11-03).
Underlying source: SigmaHQ rule 27a72a60-7e5e-47b1-9d17-909c9abafdcd, 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.