40 lines
1.2 KiB
YAML
40 lines
1.2 KiB
YAML
title: Microsoft Binary Github Communication
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author: Michael Haag (idea), Florian Roth (rule)
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date: 2017/08/24
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description: Detects an executable in the Windows folder accessing github.com
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detection:
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SELECTION_1:
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EventID: 3
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SELECTION_2:
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Initiated: 'true'
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SELECTION_3:
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DestinationHostname: '*.github.com'
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SELECTION_4:
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DestinationHostname: '*.githubusercontent.com'
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SELECTION_5:
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Image: C:\Windows\\*
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condition: (SELECTION_1 and SELECTION_2 and (SELECTION_3 or SELECTION_4) and SELECTION_5)
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falsepositives:
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- Unknown
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- '@subTee in your network'
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id: 635dbb88-67b3-4b41-9ea5-a3af2dd88153
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level: high
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logsource:
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category: network_connection
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product: windows
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modified: 2020/08/24
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references:
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- https://twitter.com/M_haggis/status/900741347035889665
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- https://twitter.com/M_haggis/status/1032799638213066752
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- https://github.com/EmpireProject/Empire/blob/e37fb2eef8ff8f5a0a689f1589f424906fe13055/data/module_source/exfil/Invoke-ExfilDataToGitHub.ps1
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status: experimental
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tags:
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- attack.lateral_movement
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- attack.t1105
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- attack.exfiltration
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- attack.t1567.001
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- attack.t1048
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yml_filename: sysmon_win_binary_github_com.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/network_connection
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