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Tracing an SSH attacker

Reading auth.log and the registry to trace an SSH brute-force attack on a Linux server.

Context

A digital forensics case study from my previous portfolio.

What I did

  • Analysed a Linux server's auth.log (VulnOSv2) and found repeated root login attempts from one IP, a sign of SSH brute force.
  • Reviewed a Windows registry with AccessData Registry Viewer for system context such as time zone and USB devices.