Tag Archives: Botnet

A pernicious botnet used for cryptojacking has taken a major blow thanks to Google, whose free cloud-based services it relied on to propagate. The company has identified and removed thousands of accounts, hosted files and ad accounts that were being used to spread malicious files.

The botnet, Glupteba, has been operating for some months and was thought to be compromising thousands of people per day at its peak. The cryptojacking botnet quietly installs coin miners on Windows PCs and attempts to steal login credentials and authentication cookies. It spread via Google advertisements promising software cracks and phishing emails linking to malicious files hosted with Google Docs.

Notorious cryptomining and credential theft botnet crippled

Google cautions that…

The pandemic certainly didn’t put the brakes on botnet operators in Q2 2020. Unfortunately, they were back in full swing, with a 77% surge in the number of botnet Command & Controllers (C&Cs) tracked and listed by the research team.

This increased activity is highlighted across most of our Top 20 lists, with extensive changes, including numerous new entries and departures…it’s never a dull moment in the botnet ecosphere.

Welcome to the Spamhaus Botnet Threat Update Q2 2020.

Highlighting networks 
with the most active 
botnet C&Cs

Historically, our Quarterly Botnet Threat Updates have focused on newly observed botnet Command and Controllers (C&Cs). In doing so, we can clearly illustrate the quality of a network’s customer vetting process and security mechanisms;…