BITSIGHT SECURITY RATINGS BLOG

Necurs is a malware that is mainly known for sending large spam campaigns, most notably the Locky ransomware. However, Necurs is not only a spambot, it is a modular piece of malware that is composed of a main bot module, a userland rootkit...

Dridex is a banking trojan that uses an affiliate system for its botnets. We have documented the Dridex communication and P2P protocols in the past. In this post we want to shed some light about all the known botnets, their respective...

In this article, we will be detailing an issue we discovered affecting a number of low-cost devices. It allowed for adversaries to remotely execute commands on the devices as a privileged user if they were in a position to conduct a...

Bolek is a recent malware from the Kbot/Carberp family. We first heard about this malware from the cert.pl blog post in May 2016, and since then, a few others have published additional information about it (links below).

From time to time we have the opportunity to sinkhole domains that have an high volume of traffic and are part of a mobile device botnet. In the beginning of July we registered a domain that we found to be part of the AndroidBauts family...

In June 2016, we observed an all time high of number of infections worldwide, breaking the previous record and raising the number of unique active observed IPs to 20,579,894 measured over a 7 day time window.

Anubis Networks began monitoring Necurs, a malware family known for it's rootkit capabilities, in August 2015. Since then we have been able to observe approximately 50.000 unique IP addresses connecting to our sinkhole over a 24 hour time...

GhostPush is an Android malware that was first discovered in September 2015. Once installed on a user’s device, it will display unsolicited advertising, and install unwanted applications on the user’s device. This malware is also known for...

Ransomware is a cash-in machine for criminals and we have just spotted another one come alive this week. Since 16th February, AnubisNetworks Labs team is tracking Locky, a malware that given the high volume of its distribution campaigns...