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Ring3 / Ring0 Rootkit Hook Detection 1/2

Introduction The cybercrime underworld hasn’t given me any exciting malware to reverse and I’m running out of ideas for new posts, so I’m going to do a 2 part article about the techniques used by rootkits to intercept function calls, and how to detect them. The first part will explain …

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Fighting Hooks With Hooks – Sandbox Escape

Introduction I was pretty bored today and couldn’t think of an article to write, decided I’d come up with an example of escaping a sandbox. Most sandboxes use hooks placed within user-mode dlls in order to monitor process activity. If someone was able to remove or bypass these hooks, they …

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Win64/Vabushky – The Great Code Heist

Introduction This analysis is of a new winlocker dropper that was first seen in the wild last month, the binary is 64 bit, packed with MPRESS, and contains 3 local privilege escalation exploits (CVE-2013-3660, CVE-2012-1864, and CVE-2012-0217), as well as the PowerLoader injection method. 2 of the exploits and the …

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PowerLoader Injection – Something truly amazing

I’m not dead It has been a while since i wrote an article (I’ve been pretty busy in real life), so I decided to get writing. This article will probably only make sense to people from a malware research / programming background, but to compensate i will be posting a …

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Carberp source code now leaked

The Bootpocalypse While security blogs are still flooding the internet with the old news of the carberp source going on sale for $50k, I’d like to take some time to give you some slightly more recent news and a recap.  Towards the end of last month it became apparent to …

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Carberp source code, days away from full leak

Brief history Carberp was a banking bot that first came up on researchers’ radars in the last part of 2010. By the end of 2011 the bot had been spotted in the wild, testing with bootkit functionality. Come the end of 2012 the full kit, including the bootkit, were put …

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Rise of the dual architecture usermode rootkit

A bit about past rootkits In the past it has been very common to see usermode rootkits that only attack one architecture, which has usually been 32-bit. A standard rootkit injects code into specific/all running processes in order to modify code inside them, this then allows it to hide itself …