Detectionlowtest
Suspicious Query of MachineGUID
Use of reg to get MachineGuid information
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Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
detection:
selection:
Image|endswith: '\reg.exe'
CommandLine|contains|all:
- 'SOFTWARE\Microsoft\Cryptography'
- '/v '
- 'MachineGuid'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Techniques
Rule Metadata
Rule ID
f5240972-3938-4e56-8e4b-e33893176c1f
Status
test
Level
low
Type
Detection
Created
Sat Jan 01
Author
Path
rules/windows/process_creation/proc_creation_win_reg_machineguid.yml
Raw Tags
attack.discoveryattack.t1082