Sigma rule: DCERPC SMB Spoolss Named Pipe

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-5104a2fe2d93, updated 2022-08-11T00:00:00.000Z.

Rule

Title
DCERPC SMB Spoolss Named Pipe
Status
test
Level
medium
Author
OTR (Open Threat Research)
Date
2018-11-28
Modified
2022-08-11
File
rules/windows/builtin/security/win_security_dce_rpc_smb_spoolss_named_pipe.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the use of the spoolss named pipe over SMB. This can be used to trigger the authentication via NTLM of any machine that has the spoolservice enabled.

Log source

product
windows
service
security

Detection

selection:
    EventID: 5145
    ShareName: '\\\\\*\\IPC$' # looking for the string \\*\IPC$
    RelativeTargetName: spoolss
condition: selection

False positives (as the rule lists them)

  • Domain Controllers acting as printer servers too? :)

Tags

  • attack.lateral-movement
  • attack.t1021.002

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/builtin/security/win_security_dce_rpc_smb_spoolss_named_pipe.yml

Sources and licences

  • SigmaHQ

    "DCERPC SMB Spoolss Named Pipe" by OTR (Open Threat Research) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_dce_rpc_smb_spoolss_named_pipe.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: DCERPC SMB Spoolss Named Pipe",
entity page, dataset version ref-5104a2fe2d93, updated 2022-08-11T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/214e8f95-100a-4e04-bb31-ef6cba8ce07e (accessed 2026-11-03).
Underlying source: SigmaHQ rule 214e8f95-100a-4e04-bb31-ef6cba8ce07e, 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.