Detectionhightest
LSA PPL Protection Disabled Via Reg.EXE
Detects the usage of the "reg.exe" utility to disable PPL protection on the LSA process
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Launch
Florian Roth (Nextron Systems)Created Tue Mar 22Updated Sun Mar 268c0eca51-0f88-4db2-9183-fdfb10c703f9windows
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: '\reg.exe'
- OriginalFileName: 'reg.exe'
selection_cli:
CommandLine|contains: 'SYSTEM\CurrentControlSet\Control\Lsa'
CommandLine|contains|all:
- ' add '
- ' /d 0'
- ' /v RunAsPPL '
condition: all of selection_*False Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
8c0eca51-0f88-4db2-9183-fdfb10c703f9
Status
test
Level
high
Type
Detection
Created
Tue Mar 22
Modified
Sun Mar 26
Path
rules/windows/process_creation/proc_creation_win_reg_lsa_ppl_protection_disabled.yml
Raw Tags
attack.defense-evasionattack.t1562.010