Detectionmediumtest
VMGuestLib DLL Sideload
Detects DLL sideloading of VMGuestLib.dll by the WmiApSrv service.
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Nasreddine Bencherchali (Nextron Systems)Created Thu Dec 0170e8e9b4-6a93-4cb7-8cde-da69502e7affwindows
Log Source
WindowsImage Load (DLL)
ProductWindows← raw: windows
CategoryImage Load (DLL)← raw: image_load
Detection Logic
Detection Logic2 selectors
detection:
selection:
ImageLoaded|contains|all:
- '\VMware\VMware Tools\vmStatsProvider\win32'
- '\vmGuestLib.dll'
Image|endswith: '\Windows\System32\wbem\WmiApSrv.exe'
filter:
Signed: 'true'
condition: selection and not filterFalse Positives
FP could occur if the legitimate version of vmGuestLib already exists on the system
References
MITRE ATT&CK
Rule Metadata
Rule ID
70e8e9b4-6a93-4cb7-8cde-da69502e7aff
Status
test
Level
medium
Type
Detection
Created
Thu Dec 01
Path
rules/windows/image_load/image_load_side_load_vmguestlib.yml
Raw Tags
attack.defense-evasionattack.persistenceattack.privilege-escalationattack.t1574.001