Detectionmediumtest
Potential Registry Persistence Attempt Via DbgManagedDebugger
Detects the addition of the "Debugger" value to the "DbgManagedDebugger" key in order to achieve persistence. Which will get invoked when an application crashes
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Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic2 selectors
detection:
selection:
TargetObject|endswith: '\Microsoft\.NETFramework\DbgManagedDebugger'
filter:
Details: '"C:\Windows\system32\vsjitdebugger.exe" PID %d APPDOM %d EXTEXT "%s" EVTHDL %d'
condition: selection and not filterFalse Positives
Legitimate use of the key to setup a debugger. Which is often the case on developers machines
MITRE ATT&CK
Rule Metadata
Rule ID
9827ae57-3802-418f-994b-d5ecf5cd974b
Status
test
Level
medium
Type
Detection
Created
Sun Aug 07
Modified
Thu Aug 17
Author
Path
rules/windows/registry/registry_set/registry_set_dbgmanageddebugger_persistence.yml
Raw Tags
attack.privilege-escalationattack.defense-evasionattack.persistenceattack.t1574