Uncommon Svchost Parent Process

 1title: Uncommon Svchost Parent Process
 2id: 01d2e2a1-5f09-44f7-9fc1-24faa7479b6d
 3status: test
 4description: Detects an uncommon svchost parent process
 5references:
 6    - Internal Research
 7author: Florian Roth (Nextron Systems)
 8date: 2017-08-15
 9modified: 2026-10-19
10tags:
11    - attack.stealth
12    - attack.t1036.005
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection:
18        Image|endswith: '\svchost.exe'
19    filter_main_generic:
20        ParentImage|endswith:
21            - '\Mrt.exe'
22            - '\MsMpEng.exe'
23            - '\ngen.exe'
24            - '\rpcnet.exe'
25            - '\services.exe'
26            - '\TiWorker.exe'
27    filter_main_svchost:
28        ParentImage|endswith: '\svchost.exe'
29        CommandLine|endswith:
30            - 'svchost.exe"'
31            - 'svchost.exe'
32            - '-k TSLicensing'
33    filter_main_parent_null:
34        ParentImage: null
35    filter_main_parent_empty:
36        ParentImage:
37            - '-'
38            - ''
39    condition: selection and not 1 of filter_main_*
40falsepositives:
41    - Unknown
42level: medium