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 Escalationedit
Identifies 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: 5 minutes
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: 1
Added (Elastic Stack release): 7.12.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule queryedit
library 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" and dll.code_signature.status : "trusted")
Threat mappingedit
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/
-
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/