CyberTEK on Re4perZ3dhttps://re4perz3d.github.io/writeups/cybertek/Recent content in CyberTEK on Re4perZ3dHugoenFri, 29 May 2026 00:00:00 +0000Operation GhostVein: Linux DFIRhttps://re4perz3d.github.io/writeups/cybertek/operation-ghostvein/Fri, 29 May 2026 00:00:00 +0000https://re4perz3d.github.io/writeups/cybertek/operation-ghostvein/A Linux DFIR challenge I authored: reconstructing an OFBiz exploitation, PAM backdoor, SSH pivot and DNS exfiltration from host artifacts and PCAPs.