Detectionhightest
Service Registry Key Deleted Via Reg.EXE
Detects execution of "reg.exe" commands with the "delete" flag on services registry key. Often used by attacker to remove AV software services
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Launch
Nasreddine Bencherchali (Nextron Systems)Created Mon Aug 01Updated Sat Feb 0405b2aa93-1210-42c8-8d9a-2fcc13b284f5windows
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 Logic3 selectors
detection:
selection_img:
- Image|endswith: 'reg.exe'
- OriginalFileName: 'reg.exe'
selection_delete:
CommandLine|contains: ' delete '
selection_key:
# Add specific services if you would like the rule to be more specific
CommandLine|contains: '\SYSTEM\CurrentControlSet\services\'
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
05b2aa93-1210-42c8-8d9a-2fcc13b284f5
Status
test
Level
high
Type
Detection
Created
Mon Aug 01
Modified
Sat Feb 04
Path
rules/windows/process_creation/proc_creation_win_reg_delete_services.yml
Raw Tags
attack.defense-evasionattack.t1562.001