Sigma rule: REGISTER_APP.VBS Proxy Execution

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-1488b28d45cb, updated 2022-08-19T00:00:00.000Z.

Rule

Title
REGISTER_APP.VBS Proxy Execution
Status
test
Level
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2022-08-19
File
rules/windows/process_creation/proc_creation_win_lolbin_register_app.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the use of a Microsoft signed script 'REGISTER_APP.VBS' to register a VSS/VDS Provider as a COM+ application.

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains|all:
        - '\register_app.vbs'
        - '-register'
condition: selection

False positives (as the rule lists them)

  • Legitimate usage of the script. Always investigate what's being registered to confirm if it's benign

Tags

  • attack.stealth
  • attack.t1218

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_register_app.yml

Sources and licences

  • SigmaHQ

    "REGISTER_APP.VBS Proxy Execution" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_lolbin_register_app.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: REGISTER_APP.VBS Proxy Execution",
entity page, dataset version ref-1488b28d45cb, updated 2022-08-19T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/1c8774a0-44d4-4db0-91f8-e792359c70bd (accessed 2026-11-03).
Underlying source: SigmaHQ rule 1c8774a0-44d4-4db0-91f8-e792359c70bd, 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.