Sigma rule: PUA - Seatbelt Execution

Rule

Title

PUA - Seatbelt Execution

Status

test

Level

high

Author

Nasreddine Bencherchali (Nextron Systems)

Date

2022-10-18

Modified

2023-02-04

File

rules/windows/process_creation/proc_creation_win_pua_seatbelt.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of the PUA/Recon tool Seatbelt via PE information of command line parameters

Log source

product

windows

category

process_creation

Detection

selection_img:
    - Image|endswith: '\Seatbelt.exe'
    - OriginalFileName: 'Seatbelt.exe'
    - Description: 'Seatbelt'
    - CommandLine|contains:
          # This just a list of the commands that will produce the least amount of FP in "theory"
          # Comment out/in as needed in your environment
          # To get the full list of commands see reference section
          - ' DpapiMasterKeys'
          - ' InterestingProcesses'
          - ' InterestingFiles'
          - ' CertificateThumbprints'
          - ' ChromiumBookmarks'
          - ' ChromiumHistory'
          - ' ChromiumPresence'
          - ' CloudCredentials'
          - ' CredEnum'
          - ' CredGuard'
          - ' FirefoxHistory'
          - ' ProcessCreationEvents'
          # - ' RDPSessions'
          # - ' PowerShellHistory'
selection_group_list:
    CommandLine|contains:
        - ' -group=misc'
        - ' -group=remote'
        - ' -group=chromium'
        - ' -group=slack'
        - ' -group=system'
        - ' -group=user'
        - ' -group=all'
selection_group_output:
    CommandLine|contains: ' -outputfile='
condition: selection_img or all of selection_group_*

False positives (as the rule lists them)

• Unlikely

Tags

• attack.discovery
• attack.t1526
• attack.t1087
• attack.t1083

MITRE ATT&CK ids this rule names

• T1083
• T1087
• T1526

References

• https://github.com/GhostPack/Seatbelt
• https://www.bluetangle.dev/2022/08/fastening-seatbelt-on-threat-hunting.html

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_pua_seatbelt.yml