Password stealing using a password filter

Nice stuff from @mubix: the technic consists in injecting a DLL to lsass.exe, using the password filter feature of Windows. The password filter architecture is useful to check that a password is compliant with the system security policy. It will typically check that when a user changes his password, it follows the required complexity. Microsoft…
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File upload vulnerabilities : appending PHP code to an image

Several ways may be used to protect a file upload functionality on a website. A first method is content-type checking, which can be easily bypassed with a intercepting proxy (tampering the MIME type). The screenshot below shows an intercepted request where the attacker modifies the content-type (beforehand text/php) and then forwards the content to the…
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My goodness, I got mainframed!

Mainframes are not dead, why not pentesting it? I just watched the presentation of Phil Young at Shmoocon 2013: “Mainframed: the secrets inside that black box“. I truly loved it. I thought mainframes where disappearing, but I was surprised to see that it still alive. I was even more surprised to find out that they…
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