Detect Remote Local Credentials Dumping using a Shadow Snapshot

GitHub – I3IT/Detect.Remote.ShadowSnapshot.Dump: Detect Remote Local Credentials Dumping using a Shadow Snapshot
github.com

You Should Know:

Detecting remote local credentials dumping using a shadow snapshot is a critical aspect of cybersecurity, particularly for red teams, blue teams, and penetration testers. This technique involves identifying unauthorized attempts to extract credentials from a system by creating a shadow copy of the volume and then analyzing it for sensitive data.

Steps to Detect Remote Local Credentials Dumping:

1. Understand the Shadow Snapshot Technique:

• Attackers often use tools like `Volume Shadow Copy Service (VSS)` to create shadow copies of a system’s volume. These copies can be used to extract credentials or other sensitive data without triggering traditional security alerts.

2. Monitor VSS Usage:

• Use the following PowerShell command to monitor the creation of shadow copies:

  Get-WmiObject -Query "SELECT * FROM Win32_ShadowCopy"
  

• This command lists all shadow copies on the system. Regularly monitor this output for unexpected or unauthorized shadow copies.

3. Detect Credential Dumping Tools:

• Tools like `Mimikatz` are commonly used for credential dumping. Use the following command to search for known malicious processes:

  ps aux | grep -i 'mimikatz'
  

• On Windows, you can use PowerShell to search for suspicious processes:

  Get-Process | Where-Object { $_.ProcessName -like "*mimikatz*" }
  

4. Analyze Event Logs:

• Check the Windows Event Logs for suspicious activities related to VSS or credential dumping:

  Get-WinEvent -LogName Security | Where-Object { $<em>.Id -eq 4663 -or $</em>.Id -eq 4688 }
  

• These Event IDs correspond to file access and process creation, respectively.

5. Implement Detections:

• Use the provided GitHub repository to implement detection mechanisms for remote credential dumping:

  git clone https://github.com/I3IT/Detect.Remote.ShadowSnapshot.Dump.git
  cd Detect.Remote.ShadowSnapshot.Dump
  ./install.sh
  

• Follow the repository’s documentation to configure and deploy the detection scripts.

6. Harden Your System:

• Disable unnecessary services like VSS if they are not required:

  sc config VSS start= disabled
  

• Regularly update and patch your system to mitigate known vulnerabilities.

7. Use Advanced Threat Detection Tools:

• Deploy advanced threat detection tools like `Sysmon` or `ELK Stack` to monitor and analyze system activities in real-time.

What Undercode Say:

Detecting remote local credentials dumping is a crucial step in securing your systems against advanced attacks. By monitoring shadow copies, analyzing event logs, and implementing robust detection mechanisms, you can significantly reduce the risk of credential theft. Always stay updated with the latest security practices and tools to keep your systems secure.

Expected Output:

• Regular monitoring of shadow copies using PowerShell commands.
• Detection and termination of malicious processes like Mimikatz.
• Implementation of detection scripts from the GitHub repository.
• Hardening of the system by disabling unnecessary services and applying patches.
• Deployment of advanced threat detection tools for real-time monitoring.

Relevant URLs:

GitHub – I3IT/Detect.Remote.ShadowSnapshot.Dump

References:

Reported By: Florian Hansemann – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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