Botnet

Buggy DIY botnet tool leaks in black market

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A new do-it-yourself botnet generating tool has leaked in the wild, but miscreants believe it's not worth its $10,000 price tag.

Why smaller companies are cyber crime's sweet spot

Why smaller companies are cyber crime's sweet spot

Cyber criminals are always looking for ways to fill their pockets, but SMBs seem to be a prime target.

Report: Most ZeroAccess zombie computers found in U.S.

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Researchers have discovered that a majority of the infected machines enlisted in a botnet capable of stealing up to $100,000 per day are based in the United States.

New Pushdo variant infects more than 100k computers

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Since July, researchers have been tracking a new variant of Pushdo, which is mixing command-and-control traffic with bogus HTTP requests to legitimate sites with the goal of evading detection.

Industrial crimeware sets a blistering pace

Industrial crimeware sets a blistering pace

Industrialization is a key factor driving the rate at which criminals are turning to malicious software to make serious money.

Grum botnet dead after remaining servers are shut off

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One of the world's largest spam botnets, responsible for as much as a third of all unwanted mail sent as recently as last week, is finally offline, according to security firm FireEye.

Google, researchers question if Android spam botnet is real

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The existence of an Android spam botnet is disputed, with some saying more proof is needed. No matter the truth, the incident underscores the dangers of installing mobile applications from unofficial sources.

News briefs: The latest news from Apple, Verizon and more

News briefs: The latest news from Apple, Verizon, CrowdStrike, FTC and more

WordPress sites served as launching pad for Flashback

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Researchers have discovered a correlation between infected WordPress sites and the propagation of the prolific Mac Flashback trojan.

Apple releases another update to quell Flashback spread

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Security experts are backing up one anti-virus vendor's estimate of the massive size of a Mac trojan botnet.

Kelihos lives on thanks to Facebook trojan

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After being "sinkholed," the Kelihos.B botnet has been reconfigured and is spreading through social networking sites.

New version of Kelihos botnet, with 110K nodes, cut down

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A collaborative effort of security organizations announced Wednesday that they knocked offline an embodiment of the Kelihos botnet, which was believed dead, but since emerged with new capabilities.

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.

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.

Microsoft wins Rustock civil case, passes evidence to FBI

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Microsoft has prevailed in its civil case against the operators of the Rustock botnet, which in its heyday controlled a network of more than a million computers.

Hacker "soldier" steals $3.2 million from U.S. companies

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Researchers at Trend Micro say they have been hot on the tracks of a corporate hacker, and now they are turning over their findings to U.S. law enforcement.

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.

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.

DoJ, FBI disable massive Coreflood botnet

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Federal authorities have taken over the control hub of the prolific Coreflood botnet and filed a civil complaint against 13 unnamed defendants.

Canadian researchers simulate botnet

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Scientists in Canada have replicated a botnet to study its behaviour, infecting 3,000 virtual machines with the Waledec malware.

Spam, after a holiday hiatus, returns in earnest

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The Rustock botnet, dubbed the biggest source of global spam, has resumed activity after a two-week break, according to security researchers at Symantec.

DDoS attacks commonly leaned on to mute rights groups

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Advocacy groups and independent media face a variety of damaging cyberattacks, and there is little they can do to stop them, a new study from Harvard University concludes.

Accused Mega-D botnet operator arrested

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A Russian man who is believed to be the operator of the Mega-D botnet, one of the largest spam senders in the world, has been arrested and is scheduled to be arraigned on Friday in federal court.

O'Reilly, Coulter DDoSer sentenced to 30 months

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A former University of Akron student was sentenced Friday to 30 months in prison for using the school's computer network to control a botnet and launch distributed denial-of-service (DDoS) attacks against conservative websites belonging to Bill O'Reilly, Ann Coulter and Rudy Giuliani. Mitchell Frost, 23, of Bellevue, Ohio admitted to, in 2006 and 2007, scanning the internet to find vulnerable computer networks to access and gain control over and then using the botnet to initiate DDoS attacks that temporarily interrupted the operation of www.billoreilly.com, www.anncoulter.com and www.joinrudy2008.com. He also must serve three years of supervised release. - DK

Iranian Cyber Army shifts efforts toward malware, botnets

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A hacker group responsible for defacement attacks against Twitter and Baidu now appears to be amassing a mighty botnet, according to researchers at a security firm.

Zeus behind scenes of new phish

A growing spam attack warning recipients of a problem with their tax payments has been circulating. But it is more than a phishing ploy to attain recipients' confidential information, according to Solera Networks. Researchers at the network forensics company have evidence that this campaign is actually infecting machines using a new exploit to join a pre-existing Zeus botnet. — GM

Microsoft exec proposes new internet "health" model

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Governments, the IT industry and internet access providers should evaluate and ensure the health of consumer devices before allowing them full access to the internet, according to a Microsoft executive.

New commercial DDoS botnet discovered

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Researchers have discovered a fast-growing botnet that was designed as part of a commercial service for launching DDoS attacks.

Email worm traced back to cyber-jihad group

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The person responsible for the "Here you have" email worm, which wreaked havoc last week on businesses across the United States, may be part of a cyber-jihad group wanting to hack into U.S. Army IT systems.

Microsoft to assume control over Waledac domains

Security industry efforts to permanently shut down the prolific Waledac botnet have been successful, according to Microsoft.

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