Sigma rule: DNS Query Request By Regsvr32.EXE

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-467a72eec13b, updated 2023-09-18T00:00:00.000Z.

Rule

Title
DNS Query Request By Regsvr32.EXE
Status
test
Level
medium
Author
Dmitriy Lifanov, oscd.community
Date
2019-10-25
Modified
2023-09-18
File
rules/windows/dns_query/dns_query_win_regsvr32_dns_query.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects DNS queries initiated by "Regsvr32.exe"

Log source

product
windows
category
dns_query

Detection

selection:
    Image|endswith: '\regsvr32.exe'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.execution
  • attack.stealth
  • attack.t1559.001
  • attack.t1218.010

MITRE ATT&CK ids this rule names

Related rules

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/dns_query/dns_query_win_regsvr32_dns_query.yml

Sources and licences

  • SigmaHQ

    "DNS Query Request By Regsvr32.EXE" by Dmitriy Lifanov, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/dns_query/dns_query_win_regsvr32_dns_query.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: DNS Query Request By Regsvr32.EXE",
entity page, dataset version ref-467a72eec13b, updated 2023-09-18T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/36e037c4-c228-4866-b6a3-48eb292b9955 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 36e037c4-c228-4866-b6a3-48eb292b9955, 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.