sigmaDRL-1.1from SigmaHQ/sigma

Silenttrinity Stager Msbuild Activity

Detects a possible remote connections to Silenttrinity c2

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ATT&CK techniques

T1127.001

Rule sourcerules/windows/network_connection/net_connection_win_silenttrinity_stager_msbuild_activity.yml

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.defense-evasion
    - 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