Twitter Botnet Discovered in Mexico

Security researchers have discovered another botnet that uses Twitter as a command and control channel. Read the full article. The Register...

Botnet-For-Hire Model Resurfaces in New IMDDOS Botnet

Researchers have identified a new botnet based in China that was openly selling DDoS-for-hire services and had managed to plant roots inside a number of major U.S. ISPs. The botnet, known as IMDDOS, is mostly contained right now and the researchers are working with authorities to locate its...

MS Wins Court Order Against Botnet Waledac

A federal magistrate judge has recommended that Microsoft be given ownership of 276 internet addresses used to control “Waledac,” a massive botnet that the software company has been working to bring down. Read the full article. The Register...

Some Pushdo Variants Resuming Spam Operations

A few days after the majority of the command-and-control servers belonging to one of the variants of the Pushdo botnet were taken offline, some researchers say that there are indications that portions of the botnet are back to their old tricks, downloading new spam templates for a resumption of...

Researchers Cripple Pushdo Botnet

Researchers have made a huge dent in a major variant of the Pushdo botnet, virtually crippling the network by working with hosting providers to take down about two thirds of the command-and-control servers involved in the botnet. Pushdo for years has been one of the major producers of spam and...

Analyzing the Latest UK Banking Botnet

More details have emerged of how security researchers tracked down a Zeus-based botnet that raided more than $1m from 3,000 compromised UK online banking accounts. Read the full article. The Register...

100K PC-Strong Zeus Botnet Disrupted

Security researchers have uncovered the command and control network of a Zeus 2 botnet sub-system targeted at UK surfers that controlled an estimated 100,000 computers. Read the full article. The Register...

Researchers Discover Mini Botnet Mumba

According to a newly published report, upon obtaining access to a mini ZeuS botnet dubbed Mumba, researchers at AVG found 60GB of stolen data such as, accounting details for social networking sites, banking accounts, credit card numbers and intercepted emails. Read the full article. ZDNet...

Three Mariposa Botnet Suspects Arrested

Slovenian police will hold a press conference on Friday to discuss the arrest of three men in connection the massive Mariposa botnet that was disabled late last year. Read the full article. IDG News Service...

Zeus Botnet Using Windows LNK Flaw

Isolated strains of mainstream malware that took advantage of how the zero-day Windows flaw first exploited by the sophisticated Stuxnet worm began appearing late last week. The same approach has since been applied by the dodgy sorts behind Zeus, a family of sophisticated toolkits frequently used...

Spammers Moving to Disposable Domains

Spammers and the botnet operators they’re allied with are continuing to adapt their techniques to evade security technologies, and now are using what amount to disposable domains for their activities. A new report shows that the spammers are buying dozens of domains at a time and moving from one ...

Symbian Mobile Botnet Affecting 100K Handsets

Mobile malware that affects Symbian Series 60 handsets is being used to create a botnet. Read the full article. The Register...

Kraken-Based Botnet Makes A Comeback

Since April, a son-of-Kraken botnet has infected an estimated 318,058 machines – about half as big as the original Kraken was at its height in the middle of 2008, according to Paul Royal, a research scientist at the Georgia Tech Information Security Center. Read the full article. The Register...

SSH Brute Force Attacks Resurface

Security experts are warning about a fresh round of attacks against SSH implementations. The attacks are brute-force attempts to authenticate to remote SSH servers, a tactic that has been used quite often in the past in distributed attacks. The attacks, which the handlers at the SANS Internet Sto...

Banking Botnet in Eastern Europe Steals, Disrupts

Banks in Russia and Ukraine are under continued siege by criminal gangs wielding a sophisticated, next-generation exploitation kit that hacks the financial institutions’ authentication system and then hits it with a denial-of-service attack. Read the full article. The Register...

DDoS Extortionists Offer 'Discount' Competitor Attacks

One of the most novel approaches for acquiring new botnet clients is a weird combination consisting of direct DDoS extortion, followed by penalties for delayed response and the offering of 30% discount in case the victim wants to DDoS the competition once the ransom is paid. Read the full article...

New, Simple Twitter Botnet Tool Debuts

There is a new point-and-click tool circulating online that enables virtually anyone to create a piece of malware that will connect a PC to a budding Twitter botnet. The tool, known as TwitterNET Builder, is being used by attackers to build quick and easy botnets that are then controlled through...

Botnet Herder PROXIEZ Goes Offline

One of the internet’s most resilient and crimeware-friendly networks PROXIEZ-NET was knocked offline after the plug was pulled on its upstream service provider, security watchers said. Read the full article. The Register...

Botnet Herders Can Command Via Twitter

A security researcher has unearthed a tool that simplifies the process of building bot armies that take their marching orders from specially created Twitter accounts. Read the full article. The Register...

Gumblar Botnet Shifts Tactics

The criminals behind the Gumblar botnet and malware campaign have been adapting their techniques, as attackers are wont to do, in order not only to evade detection but to prevent researchers from downloading and analyzing new versions of the malware. A new analysis of the recent activity by Gumbl...