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{ Tag Archives } fuzzing

Fuzzing and detecting heap corruption with Gflags, pageheap, windbg and Image File Execution Options

It’s time again to do some good ol’ down home fuzzing on Windows and can’t forget to enable full page heap checking, else I could miss some important heap corruption issues. So to remind myself how to do this, let’s see:
1. First off, use a release version of the target application, not a debug! [...]

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How to: Fuzzing Web Services on IIS 6.0 and ASP.NET

So we want to fuzz something SOAPy, again. Well here’s how we’re gonna do it. The approach I like to take with clients is a gray-box, or code-assisted penetration testing. Gray box analysis is a powerful technique combining input testing with source analysis, runtime tracing, profiling, and debugging to identify real issues [...]

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To fuzz or not to fuzz web services…

Is it worth the time to run input fuzzing tests against web services? When engaging a client for a security review I’m often the one to pose this question. Sure, why not… right? Well honestly there’s a more precise way to answer this question. First we really need to understand the [...]

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