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.

VB2014 paper: Can we trust a trustee? An in-depth look into the digitally signed malware industry

Adrian Stefan Popescu (Bitdefender)
Gheorghe Jescu (Bitdefender)

An increasing number of developers are using certificates issued by Certificate Authorities (CAs) to create a more trustworthy environment for users. Although certificates should be used by legitimate developers only, we are seeing an increasing…

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VB2015 paper: WaveAtlas: Surfing Through the Landscape of Current Malware Packers

Fanny Lalonde Lévesque (École Polytechnique de Montréal)
Erwann Traourouder (École Polytechnique de Montréal)
François Menet (École Polytechnique de Montréal)
Jean-Yves Marion (Université de Lorraine)

Obfuscation techniques have become increasingly prevalent in malware programs as tools to thwart reverse engineering efforts and evade signature-based detection by security products. Among the most popular methods is the use of packers, which are…

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VB2015 paper: The Unbearable Lightness of APTing

Yaniv Balmas (Check Point Software Technologies)
Shahar Tal (Check Point Software Technologies)
Ron Davidson (Check Point Software Technologies)

APT campaigns are typically described with awe surrounding the technical achievements enabled by the level of resources and capacity conceivably available only to nation-state governments and intelligence agencies, often dubbed APT groups. These…

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VB2015 paper: Android Ransomware: Turning CryptoLocker into Crypto Unlocker

Alexander Adamov (NioGuard Security Lab)

These days, we see an increasing number of new pieces of ransomware for Android devices. They adopt new social engineering, communication and encryption techniques such as the use of Tor and advanced encryption algorithms (RSA-1024 and even elliptic…

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Throwback Thursday: A View from the Lab (October 1997)

In mid-1997, new viruses and variants were appearing at over 250 per month, and according to Peter Morley, "Any organization which cannot process 300 viruses per month in times of stress, has no chance of keeping in the game." He split anti-virus…

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Optimizing ssDeep for use at scale

Being able to find files that are similar to a particular file is quite useful, although it can be difficult to handle at scale. It can often require an infeasible number of comparisons, which need to take place outside of a database. In an attempt…

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Throwback Thursday: Legal attempts to reduce spam. A UK perspective (November 2003)

In November 2003, Martin Lee summarized from a UK perspective the various legislative attempts to ban the abuse of email by law.

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Throwback Thursday: What DDoS it all Mean? (March 2000)

In February 2000, distributed denial of service, or DDoS, attacks disrupted some of the largest websites – CNN, MSN, Yahoo and others – sites designed to serve millions of pages per day. So Nick FitzGerald asked: what are DDoS attacks? How might they…

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3ROS exploit framework kit – one more for the infection road!

Aditya K. Sood and Rohit Bansal look at a different side of an exploit kit: the interface used by the malware authors who rely on exploit kits to get their malware installed on victims' machines.

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Shifu – the rise of a self-destructive banking trojan

The banking trojan Shifu appears to inherit some of its features from several other well-known banking trojans. Floser Bacurio and Wayne Low decided to take a close look at one of its droppers.

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