IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Potential Local NTLM Relay via HTTPedit
Identifies attempt to coerce a local NTLM authentication via HTTP using the Windows Printer Spooler service as a target. An adversary may use this primitive in combination with other techniques to elevate privileges on a compromised system.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: high
Risk score: 73
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Credential Access
Version: 101 (version history)
Added (Elastic Stack release): 8.3.0
Last modified (Elastic Stack release): 8.5.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule queryedit
process where event.type == "start" and process.name : "rundll32.exe" and /* Rundll32 WbeDav Client */ process.args : ("?:\\Windows\\System32\\davclnt.dll,DavSetCookie", "?:\\Windows\\SysWOW64\\davclnt.dll,DavSetCookie") and /* Access to named pipe via http */ process.args : ("http*/print/pipe/*", "http*/pipe/spoolss", "http*/pipe/srvsvc")
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
-
Technique:
- Name: Exploitation for Credential Access
- ID: T1212
- Reference URL: https://attack.mitre.org/techniques/T1212/
Rule version historyedit
- Version 101 (8.5.0 release)
-
-
Updated query, changed from:
process where event.type in ("start", "process_started") and process.name : "rundll32.exe" and /* Rundll32 WbeDav Client */ process.args : ("?:\\Windows\\System32\\davclnt.dll,DavSetCookie", "?:\\Windows\\SysWOW64\\davclnt.dll,DavSetCookie") and /* Access to named pipe via http */ process.args : ("http*/print/pipe/*", "http*/pipe/spoolss", "http*/pipe/srvsvc")
-
- Version 2 (8.4.0 release)
-
- Formatting only