sigmahighHunting

Silenttrinity Stager Msbuild Activity

Detects a possible remote connections to Silenttrinity c2

MITRE ATT&CK

executiondefense-evasion

Detection Query

selection:
  Image|endswith: \msbuild.exe
filter:
  DestinationPort:
    - 80
    - 443
  Initiated: "true"
condition: selection and filter

Author

Kiran kumar s, oscd.community

Created

2020-10-11

Data Sources

windowsNetwork Connection Events

Platforms

windows

References

https://www.blackhillsinfosec.com/my-first-joyride-with-silenttrinity/

Tags

attack.executionattack.defense-evasionattack.t1127.001

Raw Content

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