title: Silenttrinity Stager Msbuild Activity
id: 50e54b8d-ad73-43f8-96a1-5191685b17a4
status: test
description: Detects a possible remote connections to Silenttrinity c2
references:
    - https://www.blackhillsinfosec.com/my-first-joyride-with-silenttrinity/
author: Kiran kumar s, oscd.community
date: 2020-10-11
modified: 2022-10-05
tags:
    - attack.execution
    - attack.stealth
    - attack.t1127.001
logsource:
    category: network_connection
    product: windows
detection:
    selection:
        Image|endswith: '\msbuild.exe'
    filter:
        DestinationPort:
            - 80
            - 443
        Initiated: 'true'
    condition: selection and filter
falsepositives:
    - Unknown
level: high

title: HackTool - SILENTTRINITY Stager Execution
id: 03552375-cc2c-4883-bbe4-7958d5a980be
related:
    - id: 75c505b1-711d-4f68-a357-8c3fe37dbf2d # DLL Load
      type: derived
status: test
description: Detects SILENTTRINITY stager use via PE metadata
references:
    - https://github.com/byt3bl33d3r/SILENTTRINITY
author: Aleksey Potapov, oscd.community
date: 2019-10-22
modified: 2023-02-13
tags:
    - attack.command-and-control
    - attack.t1071
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Description|contains: 'st2stager'
    condition: selection
falsepositives:
    - Unlikely
level: high

title: HackTool - SILENTTRINITY Stager DLL Load
id: 75c505b1-711d-4f68-a357-8c3fe37dbf2d
related:
    - id: 03552375-cc2c-4883-bbe4-7958d5a980be # Process Creation
      type: derived
status: test
description: Detects SILENTTRINITY stager dll loading activity
references:
    - https://github.com/byt3bl33d3r/SILENTTRINITY
author: Aleksey Potapov, oscd.community
date: 2019-10-22
modified: 2023-02-17
tags:
    - attack.command-and-control
    - attack.t1071
logsource:
    category: image_load
    product: windows
detection:
    selection:
        Description|contains: 'st2stager'
    condition: selection
falsepositives:
    - Unlikely
level: high