Detectionhightest
Enable LM Hash Storage - ProcCreation
Detects changes to the "NoLMHash" registry value in order to allow Windows to store LM Hashes. By setting this registry value to "0" (DWORD), Windows will be allowed to store a LAN manager hash of your password in Active Directory and local SAM databases.
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Launch
Nasreddine Bencherchali (Nextron Systems)Created Fri Dec 15Updated Fri Dec 2298dedfdd-8333-49d4-9f23-d7018cccae53windows
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:
CommandLine|contains|all:
- '\System\CurrentControlSet\Control\Lsa'
- 'NoLMHash'
- ' 0'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Techniques
Rule Metadata
Rule ID
98dedfdd-8333-49d4-9f23-d7018cccae53
Status
test
Level
high
Type
Detection
Created
Fri Dec 15
Modified
Fri Dec 22
Path
rules/windows/process_creation/proc_creation_win_reg_nolmhash.yml
Raw Tags
attack.persistenceattack.defense-evasionattack.t1112