β Technology-specific payloads - Always adapt your payloads to the underlying technology. In this case the server was running Windows/IIS, so Windows-specific paths led to arbitrary file read.
Recently dropped a new writeup π
Turned an SSRF + arbitrary file read into a $5000 bounty by digging into internal services and escalating impact.
Breakdown, payloads, and lessons learned π
https://t.co/hdGR5hsrjW
#bugbounty#hacking#cybersecurity#infosec#bugbountytips
β Identify backend tech β at the time I was too lazy to dig into what was responsible for converting the upload to a PDF. But if you're not: point SSRF at your own server and catch the incoming request. Check the User-Agent header β it often reveals which service made the call.
Golden Retrievers, PDFs, Iframes and SSRFs π
What do golden retrievers and vulnerable servers have in common?
Theyβll fetch anything you throw at them.
PDF file upload > SSRF writeup π https://t.co/43fKcYW7xI
#bugbounty#cybersecurity#pentesting#ethicalhacking#hacking