https://eoniboogie.github.io/tags/7z/index.htmlHugoen-usThu, 30 Apr 2026 10:12:33 +0900https://eoniboogie.github.io/writeup/proving-grounds/zipper/index.htmlThu, 30 Apr 2026 10:12:33 +0900https://eoniboogie.github.io/writeup/proving-grounds/zipper/index.htmlZipper writeup - Linux exploitation walkthrough covering PHP zip wrapper abuse for initial access and privilege escalation through a vulnerable 7za backup cron job.