Sigma rule: Suspicious VBScript UN2452 Pattern

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-cf41ba41c684, updated 2022-10-09T00:00:00.000Z.

Rule

Title
Suspicious VBScript UN2452 Pattern
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2021-03-05
Modified
2022-10-09
File
rules-emerging-threats/2020/TA/SolarWinds-Supply-Chain/proc_creation_win_apt_unc2452_vbscript_pattern.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects suspicious inline VBScript keywords as used by UNC2452

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains|all:
        - 'Execute'
        - 'CreateObject'
        - 'RegRead'
        - 'window.close'
        - '\Microsoft\Windows\CurrentVersion'
filter:
    CommandLine|contains: '\Software\Microsoft\Windows\CurrentVersion\Run'
condition: selection and not filter

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.privilege-escalation
  • attack.persistence
  • attack.t1547.001
  • detection.emerging-threats

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-emerging-threats/2020/TA/SolarWinds-Supply-Chain/proc_creation_win_apt_unc2452_vbscript_pattern.yml

Sources and licences

  • SigmaHQ

    "Suspicious VBScript UN2452 Pattern" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2020/TA/SolarWinds-Supply-Chain/proc_creation_win_apt_unc2452_vbscript_pattern.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 VBScript UN2452 Pattern",
entity page, dataset version ref-cf41ba41c684, updated 2022-10-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/20c3f09d-c53d-4e85-8b74-6aa50e2f1b61 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 20c3f09d-c53d-4e85-8b74-6aa50e2f1b61, 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.