Botnets

Microsoft torpedoes Citadel botnet infrastructure

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What's becoming old hat for Microsoft, the software behemoth has led another successful dismantling of a botnet network. But if history is any guide, this doesn't mean the banking trojan Citadel is extinguished for good.

Operators again revive Pushdo botnet, use a popular tactic to stay hidden

Operators again revive Pushdo botnet, use a popular tactic to stay hidden

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Botnet operators are using a domain-generation algorithm to conceal their command-and-control center. And once they knew security researchers were on to their tricks, they got even slicker.

Android trojan spreads through Cutwail spam botnet

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Attackers use phishing emails, which include links to a fake Adobe Flash update, to lure victims into installing the Stels trojan.

Microsoft, Symantec team up to smash click-fraud botnet

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Microsoft, in partnership with security firm Symantec, announced Wednesday that it has disrupted the Bamital botnet, known for rerouting victim machines to websites, online advertisements and links of the attackers' choosing.

IPS grows up

IPS grows up

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The intrusion prevention system is a mainstay of any organization's perimeter-focused security infrastructure, but its days may be numbered as a standalone technology. Yet, its purpose lives on.

Rovnix revealed

Rovnix revealed

ESET research on malware that attacks 64-bit systems suggests a significant change in the way such malware is used and targeted

Podcast: Never mind Flame, IXESHE is sophisticated

Podcast: Never mind Flame, IXESHE is sophisticated

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Tom Kellermann, vice president of cyber security at Trend Micro, joined me on the SC Magazine podcast to discuss an APT campaign known as IXESHE, which is going after sensitive targets from Asia to Germany. But its command-and-control infrastructure really is what makes it special.

White House unveils initiatives to combat botnets

White House unveils initiatives to combat botnets

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The Obama administration on Wednesday revealed public-private partnership initiatives to thwart botnets.

Citadel trojan uses child porn scare to extort cash

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The banking trojan Citadel now is being used to trick users into believing they have violated U.S. law and must pay a fine to unfreeze their computers,

Bredolab botnet mastermind sentenced to four years

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An Armenian man charged in 2010 with running the Bredolab botnet was sentenced this week in his home country to four years in prison.

Apple says it is working to shut down Flashback infections

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The company said it is creating software that will detect and remove Flashback, as well as coordinating with global ISPs to dismantle the botnet's infrastructure.

Zeus' coffin not yet closed as domains still living

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Three domains, which are feeding instructions to computers infected with the Zeus trojan, still are operational despite a Microsoft-led effort to disable the botnet, according to researchers at security firm FireEye.

Microsoft zaps Zeus command centers used in bank fraud

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Banking trojan Zeus and its related families, which have looted a number of small and midsize businesses to the tune of millions, may be partially crippled after the latest Microsoft botnet enforcement effort.

Malware Incorporated: Turning your data into their dreams

Malware Incorporated: Turning your data into their dreams

Who is behind the production, distribution and exploitation of malicious software today? Knowing the answer is a vital tool in the fight against cyber crime.

Can you stamp out spambots? No, but you can help

Can you stamp out spambots? No, but you can help

Trying to solve the spam epidemic? It might be time for organizations to look inward, as machines that are unknowingly seeded with malware are the reason for the botnet scourge.

Android botnet may net millions yearly for its operators

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Researchers from Symantec and North Carolina State University may have stumbled upon one of the largest and most lucrative mobile botnets yet.

Accused Kelihos spam botmaster: It wasn't me, Microsoft

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A Russian computer programmer has denied allegations by Microsoft that he was responsible for manning a prolific spam botnet.

Microsoft names Russian man in Kelihos botnet suit

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Microsoft believes it has found the person responsible for the spam-pushing Kelihos botnet, according to a new lawsuit.

U.S, Asian nations dominate spam-sender list

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The United States has maintained the dubious distinction of being the world's No. 1 relayer of spam, but Asian countries are catching up quickly.

Feedback due on gov't proposal around botnet notification

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Friday is the deadline for public comments regarding a government proposal to create a model by which internet service providers voluntarily alert consumers if their computers are part of a botnet.

Two minutes on: Are ISPs obliged to squash botnets?

Two minutes on: Are ISPs obliged to squash botnets?

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Is it an ISP's responsibility to combat botnets, asks SC Magazine Executive Editor Dan Kaplan.

Microsoft drops botnet suit, asks former defendant for help

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Microsoft has dropped a complaint against a Czech Republic man and his company in relation to their alleged involvement in controlling a recently dismantled botnet.

Microsoft disrupts Kelihos botnet, names alleged mastermind

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The Kelihos botnet, made up of approximately 41,000 infected computers worldwide, was capable of sending 3.8 billion spam emails per day.

DHS, Commerce pushing for voluntary botnet notification

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The U.S. Commerce and Homeland Security departments are seeking public feedback on a recommended program by which internet service providers would "voluntarily and timely detect and notify end-users that their machines have been infected," a move designed help eradicate botnets. According to a notice posted this week in the Federal Register, the agencies are weighing how such an approach would be implemented, for example, incentives may be offered to service providers that participate, and who would be responsible for running the program - industry, the public sector or a partnership between both. Public comments, which must be received by Nov. 4, are expected to examine a number of areas, including the privacy implications of such an approach.

Android botnet infections on the uptick

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Mobile botnets are nowhere near as big as PC zombie networks, but the threat is growing, according to a new report from Damballa.

Morto using DNS for command-and-control

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A Windows worm known as Morto uses a unique way for infected machines to phone home for instructions.

McAfee fires back at Shady RAT criticism

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McAfee has fired back at critics of its report on Operation Shady RAT, and said the CEO of rival anti-virus maker Kaspersky Lab, who called the report "alarmist," missed the whole point of the expose.

Microsoft offers $250K reward to find Rustock masterminds

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Redmond remains steadfast in its effort to imprison those responsible for one of history's largest botnets.

After a botnet falls, infected PCs drop by more than half

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More than half of Rustock-infected machines have been cleaned since Microsoft led a joint effort earlier this year to shut down the prolific botnet.

New "indestructible" botnet comprised of 4.5 million PCs

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A new botnet made up of more than 4.5 million infected computers is "practically indestructible," according to researchers at Kaspersky Lab. But some disagree.

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