Service Registry Key Deleted Via Reg.EXE

 1title: Service Registry Key Deleted Via Reg.EXE
 2id: 05b2aa93-1210-42c8-8d9a-2fcc13b284f5
 3status: test
 4description: Detects execution of "reg.exe" commands with the "delete" flag on services registry key. Often used by attacker to remove AV software services
 5references:
 6    - https://www.virustotal.com/gui/file/2bcd5702a7565952c44075ac6fb946c7780526640d1264f692c7664c02c68465
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2022-08-01
 9modified: 2023-02-04
10tags:
11    - attack.defense-impairment
12    - attack.t1685
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection_img:
18        - Image|endswith: 'reg.exe'
19        - OriginalFileName: 'reg.exe'
20    selection_delete:
21        CommandLine|contains: ' delete '
22    selection_key:
23        # Add specific services if you would like the rule to be more specific
24        CommandLine|contains: '\SYSTEM\CurrentControlSet\services\'
25    condition: all of selection_*
26falsepositives:
27    - Unlikely
28level: high