SigmaHQ/rules/windows/sysmon/sysmon_win_binary_susp_com.yml

title: Microsoft Binary Suspicious Communication Endpoint
status: experimental
description: Detects an executable in the Windows folder accessing suspicious domains
references:
    - https://twitter.com/M_haggis/status/900741347035889665
    - https://twitter.com/M_haggis/status/1032799638213066752
author: Florian Roth
date: 2018/08/30
tags:
    - attack.lateral_movement
    - attack.t1105
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 3
        DestinationHostname: 
            - '*dl.dropboxusercontent.com'
            - '*.pastebin.com'
            - '*.githubusercontent.com' # includes both gists and github repositories
        Image: 'C:\Windows\\*'
    condition: selection
falsepositives:
    - 'Unknown'
level: high