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Botnet

Zombie detector: Half-century-old tool may help sniff out botnets, researchers claim

A statistical tool first used in 1966 and currently used in speech and gesture recognition may hold a key to sniffing out botnets – by predicting the likely “next move” of infected PCs and the healthy computers around them, researchers have claimed.

Microsoft’s new crime-fighting super-team strikes blow against million-strong “zombie army”

Only weeks after Microsoft unveiled a global Cybercrime Center armed with new, hi-tech tools to combat crime, it announced it had carried out a global action leading to “significant disruption” of the Siferef botnet, a network controlling up to two million “zombie” PCs.

The rise of TOR-based botnets

TOR-based botnets are not a new trend and were already being discussed a few years ago at Defcon 18 (“Resilient Botnet Command and Control with Tor”). But in the last year we’ve been able to confirm some interesting facts concerning the use of these ideas in real-world botnets. This topic was already discussed around the beginning

FBI and Microsoft break up $500 million Citadel botnet

Microsoft and the FBI have broken up a large portion of the Citadel botnet – a network which had stolen $500 million from bank accounts in 90 countries around the world by installing keylogger software on five million machines.

Internet Service Providers “failing to protect” against cyber attacks, says EU agency

The European cyber security agency ENISA said Internet Service Providers in the EU have failed to implement a set of best practice recommendations which have been in place for 13 years – which could reduce the scope of even the largest DDoS attacks.

Walking through Win32/Jabberbot.A

Malware authors have a solid track record in regards to creative Command and Control protocols. We’ve seen peer-to-peer protocols, some custom (Sality), some standard (Win32/Storm uses the eDonkey P2P protocol). We’ve seen binary protocols (Win32/Peerfrag, aka Palevo). We’ve seen other custom protocols that leverage other standard protocols such as HTTP (Win32/Georbot), DNS (Morto)and IRC (Win32/AutoRun.IRCBot.AK),

Nitol Botnet: You Will Never Break The Chain

Nitol versus Michelangelo: the supply chain is much more than the production line.

Quervar Induc.C reincarnate?

Win32/Quervar (a.k.a Dorifel, XDocCrypt) is a virus family that has been in the news recently, especially in the Netherlands. It has been reported to be causing havoc on computers of several notable Dutch institutions. In our analysis, we provide additional technical details about the workings of the virus and compare it to another virus, the

Rakshasa hardware backdooring: the demon that can't be exorcized?

Jonathan Brossard describes an ‘undetectable, unremovable’ attack on firmware through gimmicked hardware or a subsequent malware attack. David Harley isn’t convinced.

Rovnix.D: the code injection story

Detailed analysis of Rovnix.D reveal updates to the code injection technique employed, allowing multiple injections with a variety of payloads.

Rovnix bootkit framework updated

Changes in the threatscape as regards exploitation of 64-bit systems, exemplified by the latest modifications to the Rovnix bootkit.

All Carberp botnet organizers arrested

Carberp is a unique case, with all the guys who organized really big botnets and made big profits (millions of US dollars) being arrested.

Win32/Gataka: a banking Trojan ready to take off?

We have been following the development of the Win32/Gataka banking Trojan for several months and can now share some details of its operation which includes facilitating fraudulent bank transfers. This first post will highlight some of its key features, while the second will detail several interesting, more technical aspects of this malware. This banking Trojan

King of Spam: Festi botnet analysis

We have just completed fresh analysis of the malicious software known as Win32/Festi. While the "Festi" botnet created with this malware has been in business since the autumn of 2009 we can see that the software is frequently updated, as described in our analysis, and these updates mean Festi continues to be a potent threat

From Georgia With Love: Win32/Georbot information stealing trojan and botnet

Malicious software that gets updates from a domain belonging to the Eurasian state of Georgia? This unusual behavior caught the attention of an analyst in ESET's virus laboratory earlier this year, leading to further analysis which revealed an information stealing trojan being used to target Georgian nationals in particular. After further investigation, ESET researchers were

Facebook Fakebook: New Trends in Carberp Activity

Facebook fraud, Carberp, statistics and a DDoS plugin.

Anonymous and the Megaupload Aftermath: Hacktivism or Just Plain Ugly?

Yesterday’s announcement by the US Department of Justice that the operators of file-sharing site Megaupload had been indicted for operating a criminal enterprise that generated over $175 million by trafficking in over half a billion dollars of pirated copyrighted material has sent shockwaves across the Internet. The accuracy of those figures may be questionable, but

2012 Malware and Cybercrime Predictions: The video version

Exactly how people will abuse digital technology for their own ends is difficult to predict, but organizations must plan ahead to protect data and systems. That's why we have been posting our "best guess" cybersecurity predictions on the Threat Blog this month. Today we present 9 of the most important predictions in the form of

Spam campaign uses Blackhole exploit kit to install SpyEye

This article was written in collaboration with my colleague Jean-Ian Boutin. The Wigon botnet (also known as Cutwail) is being used in a massive spam campaign. A multitude of ruses are used to get the user to click on a link: fake LinkedIn or Facebook notifications, free Windows licenses, fake deliveries etc. The links are

AVAR Hong Kong security conference 2011 – in 30 seconds

Well, okay, if you happen to be an extremely fast reader. The Association of Anti Virus Asia Researcher’s (AVAR) 14th AVAR Conference just wrapped up in Hong Kong on Friday. This year, the focus was on security issues in and around the emerging Asian security market, and how to rise to the challenge. As one

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05 Feb 2014
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