Who is the Kimwolf Botmaster “Dort”?

In early January 2026, KrebsOnSecurity revealed how a security researcher disclosed a vulnerability that was used to build Kimwolf , the world's largest and most disruptive botnet. Since then, the person in control of Kimwolf -- who goes by the handle "Dort " -- has coordinated a barrage of...

Accused Russian RSOCKS Botmaster Arrested, Requests Extradition to U.S.

A 36-year-old Russian man recently identified by KrebsOnSecurity as the likely proprietor of the massive RSOCKS botnet has been arrested in Bulgaria at the request of U.S. authorities. At a court hearing in Bulgaria this month, the accused hacker requested and was granted extradition to the Unite...

Spammer's Arrest Puts End to Kelihos Botnet

The alleged Russian botmaster behind the Kelihos botnet was arrested while on vacation in Spain, putting an end to a seven-year cybercrime operation that foisted hundreds of millions of spam messages on consumers, as well as a dangerous array of banking malware and ransomware. Pyotr Levashov, als...

Bt2 - Blaze Telegram Backdoor Toolkit

bt2 is a Python-based backdoor in form of a IM bot that uses the infrastructure and the feature-rich bot API provided by Telegram, slightly repurposing its communication platform to act as a C&C. Dependencies Telepot requests Installation $ sudo pip install telepot $ sudo pip install requests PS:...

Ten Major Cybercrime Busts

Politicians, security researchers and others involved in the fight against cybercrime often compare the situation to efforts to combat traditional organized crime. Some of the tricks and tactics are comparable, and so are the motives, but there’s one major difference between the two groups:...

Alleged ZeuS Botmaster Arrested for Stealing $100 Million from U.S. Banks

A 24-year-old Algerian man remains in a Thai jail awaiting extradition to the United States, where he is suspected of masterminding more than $100 million in global bank heists using the ZeuS and SpyEye Trojans. Malaysian authorities believe they’ve apprehended the hacker Hamza Bendelladj, who th...

ZeroAccess Botnet Cashing in on Click Fraud and Bitcoin Mining

A mid-year switch in communication protocol and distribution strategy is behind a spike in activity from the ZeroAccess botnet, a prolific and malicious ad click fraud network. Researchers at Kindsight Security Lab reported today that ZeroAccess accounts for 29 percent of home network infections ...

Alleged Mariposa Botmaster in Court

One of the men authorities allege to have been behind the massive–and now dead–Mariposa botnet, has gone on trial in Slovenia, more than two years after the initial arrests and takedown of the network. Mariposa was one of the first handful of botnets that authorities and security researchers work...

Kelihos Botnet with 110,000 PCs take down finally

Kelihos Botnet with 110,000 PCs take down finally Botnets are particularly insidious, using thousands of virus-infected computers which their owners are unaware are being used for sending out spam, launching denial-of-service attacks and stealing data.But taking down a botnet poses challenges. Th...