$ cat writeup.md…
$ cat writeup.md…
hackerlab
Task: Multi-stage challenge — PHP web app with LFI via include(), SSH access, and root privesc. Solution: LFI with php://filter to leak source, data:// wrapper for RCE, extract SSH credentials from interleaved access log entries by response size, then sudo dpkg privesc via malicious .deb postinst script.
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