sigmamediumHunting

Suspicious Git Clone

Detects execution of "git" in order to clone a remote repository that contain suspicious keywords which might be suspicious

MITRE ATT&CK

T1593.003

reconnaissance

Detection Query

selection_img:
  - Image|endswith:
      - \git.exe
      - \git-remote-https.exe
  - OriginalFileName: git.exe
selection_cli:
  CommandLine|contains:
    - " clone "
    - "git-remote-https "
selection_keyword:
  CommandLine|contains:
    - exploit
    - Vulns
    - vulnerability
    - RemoteCodeExecution
    - Invoke-
    - CVE-
    - poc-
    - ProofOfConcept
    - proxyshell
    - log4shell
    - eternalblue
    - eternal-blue
    - MS17-
condition: all of selection_*

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2023-01-03

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://gist.githubusercontent.com/MichaelKoczwara/12faba9c061c12b5814b711166de8c2f/raw/e2068486692897b620c25fde1ea258c8218fe3d3/history.txt

Tags

attack.reconnaissanceattack.t1593.003

Raw Content

title: Suspicious Git Clone
id: aef9d1f1-7396-4e92-a927-4567c7a495c1
status: test
description: Detects execution of "git" in order to clone a remote repository that contain suspicious keywords which might be suspicious
references:
    - https://gist.githubusercontent.com/MichaelKoczwara/12faba9c061c12b5814b711166de8c2f/raw/e2068486692897b620c25fde1ea258c8218fe3d3/history.txt
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-01-03
modified: 2023-01-10
tags:
    - attack.reconnaissance
    - attack.t1593.003
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith:
              - '\git.exe'
              - '\git-remote-https.exe'
        - OriginalFileName: 'git.exe'
    selection_cli:
        CommandLine|contains:
            - ' clone '
            - 'git-remote-https '
    selection_keyword:
        CommandLine|contains:
            # Add more suspicious keywords
            - 'exploit'
            - 'Vulns'
            - 'vulnerability'
            - 'RemoteCodeExecution'
            - 'Invoke-'
            - 'CVE-'
            - 'poc-'
            - 'ProofOfConcept'
            # Add more vuln names
            - 'proxyshell'
            - 'log4shell'
            - 'eternalblue'
            - 'eternal-blue'
            - 'MS17-'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium