Detectionhightest

PUA - Seatbelt Execution

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

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Launch
Nasreddine Bencherchali (Nextron Systems)Created Tue Oct 18Updated Sat Feb 0438646daa-e78f-4ace-9de0-55547b2d30dawindows
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: '\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
Unlikely

False positives are unlikely for most environments. High confidence detection.

Rule Metadata
Rule ID
38646daa-e78f-4ace-9de0-55547b2d30da
Status
test
Level
high
Type
Detection
Created
Tue Oct 18
Modified
Sat Feb 04
Path
rules/windows/process_creation/proc_creation_win_pua_seatbelt.yml
Raw Tags
attack.discoveryattack.t1526attack.t1087attack.t1083
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