Tag Archives: Threat Research

Hacker creates seven new variants of the Mirai botnet | Avast

In September 2016, Twitter, CNN, Spotify, and many others were knocked offline by the biggest DDoS attack in history. Today we know it by the name Mirai, but no one would have imagined at the time that this attack was coming from a herd of Internet of …

Android device firmware cheats Chinese ad networks | Avast

After publishing our story about pre-installed malware on Android devices, we continued to analyze the firmware images of cheap Android devices. It is a rather sad endeavour, as our statistics put pre-installed malware as one of the top infection vecto…

Ransomware attacks via RDP on the rise | Avast

Microsoft included Remote Desktop Protocol (RDP) with its offerings for the first time in 1996. Since then, cybercriminals have been trying, sometimes with success, to hack into machines via this protocol and we’ve seen countless RDP attacks done by di…

New Torii Botnet uncovered, more sophisticated than Mirai | Avast

written by Jakub Kroustek, Vladislav Iliushin, Anna Shirokova, Jan Neduchal and Martin Hron
Disclaimer: Analysis of the server content and samples was done on Thursday, September 20th. Follow the Avast Blog for further updates.&nbs…

Avast research finds at least 32,000 smart homes and businesses at risk of leaking data | Avast

Introduction
Today, we hear a lot about IoT, which stands for internet of things. All these smart boxes, light bulbs, shades, thermostats, voice assistants, and smart machines are slowly sneaking into our households, businesses and industrial environm…