Sigma Rule Library

Interesting Service Enumeration Via Sc.EXE

Detects the enumeration and query of interesting and in some cases sensitive services on the system via "sc.exe". Attackers often try to enumerate the services currently running on a system in order to find different attack vectors.

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Detection logic

selection_img

- Image|endswith: \sc.exe
- OriginalFileName: sc.exe

selection_cli

CommandLine|contains: query

selection_cmd

CommandLine|contains: termservice

Condition

all of selection_*

Raw YAML

title: Interesting Service Enumeration Via Sc.EXE
id: e83e8899-c9b2-483b-b355-5decc942b959
status: test
description: |
    Detects the enumeration and query of interesting and in some cases sensitive services on the system via "sc.exe".
    Attackers often try to enumerate the services currently running on a system in order to find different attack vectors.
references:
    - https://www.n00py.io/2021/05/dumping-plaintext-rdp-credentials-from-svchost-exe/
    - https://pentestlab.blog/tag/svchost/
author: Swachchhanda Shrawan Poudel
date: 2024-02-12
tags:
    - attack.t1003
    - attack.credential-access
logsource:
    product: windows
    category: process_creation
detection:
    selection_img:
        - Image|endswith: '\sc.exe'
        - OriginalFileName: 'sc.exe'
    selection_cli:
        CommandLine|contains: 'query'
    selection_cmd:
        # Note: add more interesting services
        CommandLine|contains: 'termservice'
    condition: all of selection_*
falsepositives:
    - Unknown
# Note: can be upgraded to medium after an initial baseline
level: low

False positives

  • Unknown

References

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