Bulletin

An indispensable source of reference for anyone concerned with computer security, the Bulletin is the forum through which leading security researchers publish the latest security research and information in a bid to share knowledge with the security community. Publications cover the latest threats, new developments and techniques in the security landscape, opinions from respected members of the industry, and more. The Bulletin archives offer informative articles going back to 1989. Our editorial team is happy to hear from anyone interested in submitting a paper for publication.

ZAccess detailed analysis

Neo Tan (Fortinet)
Kyle Yang (Fortinet)

Recently, we have seen a new trend in ZAccess: less is more. In around March 2012, the aggressive self-defence technique had disappeared from some variants, and in June 2012, the whole rootkit was removed, making it a completely user-mode piece of…

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IP addresses and privacy-sensitive data: a different point of view

‘[In] the digital realm ... we tread very carefully and avoid reporting [incidents] for fear of divulging sensitive data, i.e. the IP address.' Wout de Natris.

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Researchers discover extent of data collected by iPhone apps

Researchers find that an alarming number of iOS apps access data without the user’s permission.

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Garbage collection

As a form of anti-debugging/anti-emulation, some malicious programs insert garbage code within their instructions. Raul Alvarez looks at the use of garbage code and unsupported or rarely used APIs by recent malware.

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Inside the ICE IX bot, descendent of Zeus

Aditya Sood and colleagues present an analysis of ICE IX bot, a descendent of the Zeus bot which demonstrates how one bot can give rise to another.

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Noteven close

Code virtualization is a popular technique for making malware difficult to reverse engineer and analyse. W32/Noteven uses the technique, but has such a buggy interpreter that it's a wonder the code works at all. Peter Ferrie has the details.

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Where should security reside?

‘It seems logical that, in the future, security must move closer to the information.' Greg Day, Symantec.

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Malicious PDFs served by exploit kits

Although the PDF language was not designed to allow arbitrary code execution, implementation and design flaws in popular reader applications make it possible for criminals to infect machines via PDF documents. Didier Stevens explains how this is…

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Quick reference for manual unpacking II

By packing their malicious executables, malware authors can be sure that when they are opened in a disassembler they will not show the correct sequence of instructions, thus making malware analysis a more lengthy and difficult process. Continuing on…

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Largest international carding crimes operation: 26 arrests

US Justice Dept. releases details of two-year operation involving undercover carding forum.

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