SigmaHQ/rules/windows/sysmon/sysmon_win_binary_github_com.yml

title: Microsoft Binary Github Communication
status: experimental
description: Detects an executable in the Windows folder accessing github.com
references:
    - https://twitter.com/M_haggis/status/900741347035889665
    - https://twitter.com/M_haggis/status/1032799638213066752
author: Michael Haag (idea), Florian Roth (rule)
tags:
    - attack.lateral_movement
    - attack.t1105
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 3
        Initiated: 'true'
        DestinationHostname: 
            - '*.github.com'
            - '*.githubusercontent.com'
        Image: 'C:\Windows\\*'
    condition: selection
falsepositives:
    - 'Unknown'
    - '@subTee in your network'
level: high