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: Linux-based Apache malware infections: biting the hand that serves us all

Cathal Mullaney (Symantec)
Sayali Kulkarni (Symantec)

In their VB2014 paper, Cathal Mullaney and Sayali Kulkarni demonstrate that targeting Linux-based Apache web servers is an active and extremely effective method of malware infection. They present an overview of Linux malware and a technical analysis…

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VB2014 paper: Notes on click fraud: American story

Peter Kalnai (Avast Software)
Jaromir Horejsi (Avast Software)

The Blackbeard/Pigeon clickbot follows the path that was previously set by ZeroAccess. It uses a sophisticated method to stay persistent in a victim’s computer. Analysing this kind of threat is not a straightforward task, because the entire process…

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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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VB2014 paper: How they’re getting the data out of your network: a survey of methods used for exfiltration of sensitive data, recommendations for detection and protection

Eric Koeppen (IBM)

Exfiltration of data has been a feature of many attacks, where confidential customer information has been leaked to malicious actors - such infections can have disastrous effects on a company’s brand, customer loyalty, and competitive advantage. In…

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VB2014 paper: Protecting financial institutions from man-in-the-browser attacks

Xinran Wang (Shape Security)
Yao Zhao (Shape Security)

It is reported that more than 1,400 financial institutions have been targeted by attackers using banking trojans, and the top 15 targeted financial institutions were attacked by more than 50 per cent of the trojans in 2013. One major tactic of…

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VB2014 paper: Tech Support Scams 2.0: An inside look into the evolution of the classic Microsoft tech support scam

Jérôme Segura (Malwarebytes)

Tech support scams have been around for a long time, and despite all the attention they have received, they are only getting worse. Scammers are diversifying - no longer just using the Microsoft cold-calling technique but now also using deceptive ads…

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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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