Detectionmediumtest

DCERPC SMB Spoolss Named Pipe

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.

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Launch
OTR (Open Threat Research)Created Wed Nov 28Updated Thu Aug 11214e8f95-100a-4e04-bb31-ef6cba8ce07ewindows
Log Source
Windowssecurity
ProductWindows← raw: windows
Servicesecurity← raw: security
Detection Logic
Detection Logic1 selector
detection:
    selection:
        EventID: 5145
        ShareName: '\\\\\*\\IPC$' # looking for the string \\*\IPC$
        RelativeTargetName: spoolss
    condition: selection
False Positives

Domain Controllers acting as printer servers too? :)

Rule Metadata
Rule ID
214e8f95-100a-4e04-bb31-ef6cba8ce07e
Status
test
Level
medium
Type
Detection
Created
Wed Nov 28
Modified
Thu Aug 11
Path
rules/windows/builtin/security/win_security_dce_rpc_smb_spoolss_named_pipe.yml
Raw Tags
attack.lateral-movementattack.t1021.002
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