Sigma rule: Suspicious Extrac32 Alternate Data Stream Execution

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-3c3d6caad31b, updated 2022-12-30T00:00:00.000Z.

Rule

Title
Suspicious Extrac32 Alternate Data Stream Execution
Status
test
Level
medium
Author
frack113
Date
2021-11-26
Modified
2022-12-30
File
rules/windows/process_creation/proc_creation_win_lolbin_extrac32_ads.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Extract data from cab file and hide it in an alternate data stream

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains|all:
        - extrac32.exe
        - .cab
    CommandLine|re: ':[^\\]'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.stealth
  • attack.t1564.004

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/windows/process_creation/proc_creation_win_lolbin_extrac32_ads.yml

Sources and licences

  • SigmaHQ

    "Suspicious Extrac32 Alternate Data Stream Execution" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_lolbin_extrac32_ads.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: Suspicious Extrac32 Alternate Data Stream Execution",
entity page, dataset version ref-3c3d6caad31b, updated 2022-12-30T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/4b13db67-0c45-40f1-aba8-66a1a7198a1e (accessed 2026-11-03).
Underlying source: SigmaHQ rule 4b13db67-0c45-40f1-aba8-66a1a7198a1e, 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.