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Peer-to-Peer Botnets for Beginners

With all the hype about the ZeroAccess take-down, i decided it might be a nice idea to explain how peer to peer botnets work and how the are usually taken down. Traditional Botnets A basic example of a tradition botnet With tradition botnets (Be it HTTP, IRC or some other …

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Infamous Skynet Botnet Author Allegedly Arrested

On the 4th of December the German Federal Criminal Police Office (BKA) issued a press release stating they had arrested two suspects for computer crimes, with the support of GSG 9 (A German special operations unit). The release detailed that the two suspect has reportedly modified, distributed and used existing …

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Formgrabbers for Beginners

Introduction For a long time malware has targeted web data such as site logins. A malicious application could intercept socket functions within a web browser and scan for HTTP headers in order to retrieve HTTP data, however as HTTPS (HTTP Secure) became more widespread, it caused a problem. HTTPS is …

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Selfish Mining – How to make Yourself Broke

Selfish Mining Selfish Mining in short is theoretical concept in which a malicious pool of miners could gain a better income by deliberately forking the blockchain. If a mining pool were to not immediately broadcast blocks, but instead add them to their own private chain, when the private chain becomes …

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Portable Executable Injection For Beginners

Process Injection Process injection is an age old technique used by malware for 3 main reasons: Running without a process, placing user-mode hooks for a rootkit or formgrabber, and  bypassing antivirus / firewalls by injecting whitelisted processes. The most common method of process injection is DLL Injection, which is popular …

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MtGox Nearly Breaks Bitcoin…Again

Previous Incident  In April 2013 large trading volume caused the MtGox trading engine to begin lagging. As soon as the trading engine lag started to build, traders panic sold due to the increasing risk of loss from trading blind. Of course the panic selling just added to the trading volume, …

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Botnet Takedowns – fun and good publicity, nothing more

Takedowns For the past year or so the Kelihos botnet has been in the news after constant attempts to take it down. recently the ZeroAccess botnet has also been subject to similar publicity, but what do these efforts actually achieve? Not much. Damage ZeroAccess and Kelihos are what i like to refer …

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End of The Line for Solar Bot (Win32/Napolar)?

Solar Bot Solar Bot is a new type of usermode rootkit that created much hype by being “the first of it’s kind”. The rootkit is able to inject and hook both 32-bit and 64-bit processes, making it effective on 64-bit systems, which is uncommon for usermode rootkits. Solar bot makes …

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KINS Source Code Leaked

Much Ado About Nothing Today the KINS source code was posted publicly after being sold to just about everyone and their dog. As expected it’s just a Zeus modification containing code taken from various places (there is also evidence of the bootkit). As you can see in this image, there …

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Ring3 / Ring0 Rootkit Hook Detection 2/2

Introduction This article was actually planned to be posted the day after the first, however; I’ve not had much sleep the past few weeks, then I got sick, so it was very delayed. I’m pleased with how popular the previous article was, so in the future I plan to write …