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.

Throwback Thursday: Following the Breadcrumbs

Christine Orshesky (i-secure corporation)

Christine Orshesky describes how one large organization (with over 40,000 systems in its decentralized computing environment and a diverse population of over 20,000 employees spread over various departments and networks) decided to find out how and…

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Behavioural Detection and Prevention of Malware on OS X

Vincent Van Mieghem (Delft University of Technology)

Malware on Apple’s OS X systems is proving to be an increasing security threat, and one that is currently countered solely with traditional anti-virus (AV) technologies. Traditional AV technologies impose a significant performance overhead on the…

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Throwback Thursday: Olympic Games

Mikko Hyppönen (Data Fellows)

In 1994, along with the Olympic Games came an Olympic virus, from a group of Swedish virus authors calling themselves ‘Immortal Riot’. Mikko Hyppönen had the details.

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Throwback Thursday: Holding the Bady

Costin Raiu (Kaspersky Lab)

In 2001, ‘Code Red’ caused White House administrators to change the IP address of the official White House website, and even penetrated the mighty Microsoft’s own IIS servers. In August 2001, Costin Raiu analysed the Win32/Bady.worm,

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The Journey of Evasion Enters Behavioural Phase

Ankit Anubhav (FireEye)

No malware author wants their piece of code to be easy to detect. Over time, several different approaches have been put into action to detect malware, and in response, malware authors have put into action different methods of evading them. This paper…

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Throwback Thursday: You Are the Weakest Link, Goodbye! - Passwords, Malware and You

Martin Overton (Independent Researcher)

Have you heard the one about the computer user who used their pet’s name as their password? Just like jokes, it seems the old ones and the obvious ones are considered the best when it comes to users selecting their passwords. Martin Overton looks at…

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New Keylogger on the Block

Gabor Szappanos (Sophos)

This paper provides an overview of the KeyBase trojan, both the keylogger itself and the server-side management component. Additionally, we will look at an example of when this trojan was used.

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VB2015 paper: DDoS Trojan: A Malicious Concept that Conquered the ELF Format

In their VB2015 paper, Peter Kálnai and Jaromír Hořejší look at the current state of DDoS trojans forming covert botnets on unsuspecting systems. The paper provides a technical analysis of the most important malware families, with a specific focus on…

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Throwback Thursday: Finnish Sprayer: Electronic Graffiti

Finnish Sprayer was first found in Finland in December 1993, and quickly spread throughout the country. It was not long before it was found in Sweden, Russia and Estonia, and it may well have spread even further. Mikko Hyppönen analyses this typical…

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Throwback Thursday: Hypponen, that Data Fellow

A career in IT was almost inevitable for Mikko Hyppönen’ - even before his birth, his mother was working at the Finland State Computing Centre. She brought her two sons up in the world of IT, ensuring a computer was always among their toys. In 1994,…

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