Use of DNS Tunneling for C&C Communications

Often, virus writers don’t even bother to run encryption or mask their communications. However, you do get the occasional off-the-wall approaches that don’t fall into either of the categories. Take, for instance, the case of a Trojan that Kaspersky Lab researchers discovered in mid-March and which establishes a DNS tunnel for communication with the C&C server. Read Full Article

Personalized Spam and Phishing

Lately we have been noticing an opposite tendency occurring quite often, wherein fraud becomes personalized and spammers invent new methods to persuade the recipient that the message is addressed personally to him. Thus, in the malicious mailing that we discovered last month, spammers used the actual postal addresses of the recipients in messages to make them seem as credible as possible. Read Full Article

The security is still secure

Recently WikiLeaks published a report that, among other things, claims to disclose tools and tactics employed by a state-sponsored organization to break into users’ computers and circumvent installed security solutions. The list of compromised security products includes dozens of vendors and relates to the whole cybersecurity industry. Read Full Article

Unraveling the Lamberts Toolkit

The Lamberts is a family of sophisticated attack tools that has been used by one or multiple threat actors against high-profile victims since at least 2008. The arsenal includes network-driven backdoors, several generations of modular backdoors, harvesting tools, and wipers. Read Full Article

Ransomware in targeted attacks

Ransomware’s popularity has attracted the attention of cybercriminal gangs; they use these malicious programs in targeted attacks on large organizations in order to steal money. In late 2016, we detected an increase in the number of attacks, the main goal of which was to launch an encryptor on an organization’s network nodes and servers. Read Full Article

ATMitch: remote administration of ATMs

In February 2017, we published research on fileless attacks against enterprise networks. This second paper is about the methods and techniques that were used by the attackers in the second stage of their attacks against financial organizations – basically enabling remote administration of ATMs. Read Full Article

Lazarus Under The Hood

Today we’d like to share some of our findings, and add something new to what’s currently common knowledge about Lazarus Group activities, and their connection to the much talked about February 2016 incident, when an unknown attacker attempted to steal up to $851M USD from Bangladesh Central Bank. Read Full Article