IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Suspicious DLL Loaded for Persistence or Privilege Escalation
editSuspicious DLL Loaded for Persistence or Privilege Escalation
editIdentifies the loading of a non Microsoft signed DLL that is missing on a default Windows install (phantom DLL) or one that can be loaded from a different location by a native Windows process. This may be abused to persist or elevate privileges via privileged file write vulnerabilities.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: high
Risk score: 73
Runs every: None
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
- https://itm4n.github.io/windows-dll-hijacking-clarified/
- http://remoteawesomethoughts.blogspot.com/2019/05/windows-10-task-schedulerservice.html
- https://googleprojectzero.blogspot.com/2018/04/windows-exploitation-tricks-exploiting.html
- https://shellz.club/edgegdi-dll-for-persistence-and-lateral-movement/
- https://windows-internals.com/faxing-your-way-to-system/
- http://waleedassar.blogspot.com/2013/01/wow64logdll.html
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Persistence
- Privilege Escalation
version: 2
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editlibrary where dll.name :
(
"wlbsctrl.dll",
"wbemcomn.dll",
"WptsExtensions.dll",
"Tsmsisrv.dll",
"TSVIPSrv.dll",
"Msfte.dll",
"wow64log.dll",
"WindowsCoreDeviceInfo.dll",
"Ualapi.dll",
"wlanhlp.dll",
"phoneinfo.dll",
"EdgeGdi.dll",
"cdpsgshims.dll",
"windowsperformancerecordercontrol.dll",
"diagtrack_win.dll"
) and
not (dll.code_signature.subject_name : ("Microsoft Windows", "Microsoft Corporation") and dll.code_signature.status : "trusted")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
-
Technique:
- Name: Hijack Execution Flow
- ID: T1574
- Reference URL: https://attack.mitre.org/techniques/T1574/
-
Sub-technique:
- Name: DLL Side-Loading
- ID: T1574.002
- Reference URL: https://attack.mitre.org/techniques/T1574/002/
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Hijack Execution Flow
- ID: T1574
- Reference URL: https://attack.mitre.org/techniques/T1574/
-
Sub-technique:
- Name: DLL Search Order Hijacking
- ID: T1574.001
- Reference URL: https://attack.mitre.org/techniques/T1574/001/