Sigma rule: MSMQ Corrupted Packet Encountered

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-ec27f2477299, updated 2023-04-21T00:00:00.000Z.

Rule

Title
MSMQ Corrupted Packet Encountered
Status
test
Level
high
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2023-04-21
File
rules-emerging-threats/2023/Exploits/CVE-2023-21554/win_cve_2023_21554_msmq_corrupted_packet.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects corrupted packets sent to the MSMQ service. Could potentially be a sign of CVE-2023-21554 exploitation

Log source

product
windows
service
application

Detection

selection:
    Provider_Name: 'MSMQ'
    EventID: 2027
    Level: 2
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.execution
  • detection.emerging-threats

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/2023/Exploits/CVE-2023-21554/win_cve_2023_21554_msmq_corrupted_packet.yml

Sources and licences

  • SigmaHQ

    "MSMQ Corrupted Packet Encountered" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2023/Exploits/CVE-2023-21554/win_cve_2023_21554_msmq_corrupted_packet.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: MSMQ Corrupted Packet Encountered",
entity page, dataset version ref-ec27f2477299, updated 2023-04-21T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/ae94b10d-fee9-4767-82bb-439b309d5a27 (accessed 2026-11-03).
Underlying source: SigmaHQ rule ae94b10d-fee9-4767-82bb-439b309d5a27, 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.