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.

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Gabor Szappanos (Sophos)

Last month’s issue of Virus Bulletin featured a detailed analysis of the Polarbot (a.k.a. Solarbot) trojan. The article covered just about everything you could ever want to know about it – except for one thing: how does a computer end up being…

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Is the security industry up to the new challenges to come?

Working both as a product manager and as an IT security expert and evangelist for an IT security company, Sorin Mustaca has seen that, with the technologies and products that we have available, we can't mitigate all the attack vectors used by today’s…

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Threat intelligence sharing: tying one hand behind our backs

‘We will need to collaborate and implement standardized threat data sharing.' Chad Loeven

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Not Expir-ed yet

Expiro is a file infector that resurfaces from time to time, demonstrating more skills on each new appearance – infecting a service that gives a unique vantage point on traditional malicious activities; running the malware at computer restart without…

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Greetz from academe: Censored

John Aycock highlights an ACSAC paper that looks at the issue of detecting web content modifications.

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ProxyCB, a spam proxy under the radar

Kyle Yang (Fortinet)

ProxyCB is a trojan that acts as a proxy server to send spam via the HTTP, HTTPS or SMTP protocol. Wei Wang and Kyle Yang take a detailed look at its installation process, how it bypasses UAC, and the final payload loading process, before dissecting…

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BYOT: Bring Your Own Target

Gabor Szappanos (Sophos)

The author of Simbot doesn’t take anything for granted: all the necessary components for the malware’s execution are bundled and dropped onto the system, including the relevant vulnerable application for exploitation and regular Windows system…

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Solarbot botnet

Solarbot, a.k.a. Dapato or Napolar, is a traditional botnet that has been around for a while. It is used for spreading other malware and often comes with built-in DDoS and proxy modules. He Xu takes a closer look.

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A short visit with a virus

Last month, Peter Ferrie described a Windows virus that turns Java class files into droppers for the virus, and concluded that it would be a simple matter to reverse that: for a virus writer to create a Java class file that turns Windows files into…

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Making the case for incident response

‘There is a shift occurring in the security space around incident response. It’s becoming clear that no organization is completely safe.' Tim Armstrong

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