How to Find and Exploit Misconfigured IIS Servers in Bug Bounty Hunting
By
Miguel Llamazares
Crackling crust, pillowy middle. The kind of bagel that earns a second cup of coffee.
Summary
A technical walkthrough on identifying and exploiting misconfigured Microsoft IIS web servers during bug bounty hunting. The article covers reconnaissance techniques using Shodan to find IIS servers, and provides practical guidance on how to probe beyond the default IIS splash page to discover vulnerabilities. Written from a security researcher's perspective, it emphasizes the prevalence of misconfigured IIS servers and the opportunities they present for bug bounty hunters.
Key quotes
· 3 pulledIf you ever spot an IIS blue screen, don't stop there; there must be something.
That IIS splash page is not a dead end. Behind that blue window sits one of the most consistently misconfigured web servers on the www, and it's begging you to look deeper.
So let me walk you through how I approach IIS targets during bug bounty:
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