Detectionhightest
Potential NTLM Coercion Via Certutil.EXE
Detects possible NTLM coercion via certutil using the 'syncwithWU' flag
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Nasreddine Bencherchali (Nextron Systems)Created Thu Sep 01Updated Tue Feb 146c6d9280-e6d0-4b9d-80ac-254701b64916windows
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 Logic2 selectors
detection:
selection_img:
- Image|endswith: '\certutil.exe'
- OriginalFileName: 'CertUtil.exe'
selection_cli:
CommandLine|contains|all:
- ' -syncwithWU '
- ' \\\\'
condition: all of selection_*False 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
6c6d9280-e6d0-4b9d-80ac-254701b64916
Status
test
Level
high
Type
Detection
Created
Thu Sep 01
Modified
Tue Feb 14
Path
rules/windows/process_creation/proc_creation_win_certutil_ntlm_coercion.yml
Raw Tags
attack.defense-evasionattack.t1218