Detectionmediumtest

Add Debugger Entry To AeDebug For Persistence

Detects when an attacker adds a new "Debugger" value to the "AeDebug" key in order to achieve persistence which will get invoked when an application crashes

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
Nasreddine Bencherchali (Nextron Systems)Created Thu Jul 21Updated Thu Aug 17092af964-4233-4373-b4ba-d86ea2890288windows
Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic2 selectors
detection:
    selection:
        TargetObject|contains: '\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug\Debugger'
        Details|endswith: '.dll'
    filter:
        Details: '"C:\WINDOWS\system32\vsjitdebugger.exe" -p %ld -e %ld -j 0x%p'
    condition: selection and not filter
False 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
092af964-4233-4373-b4ba-d86ea2890288
Status
test
Level
medium
Type
Detection
Created
Thu Jul 21
Modified
Thu Aug 17
Path
rules/windows/registry/registry_set/registry_set_aedebug_persistence.yml
Raw Tags
attack.persistence
View on GitHub