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Executive Summary

A traffic direction system (TDS) nicknamed Parrot TDS has been publicly reported as active since October 2021. Websites with Parrot TDS have malicious scripts injected into existing JavaScript code hosted on the server. This TDS is easily identifiable by keywords found in the injected JavaScript that we will explore to show the evolution of this threat.…

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Throughout Q2 and Q3 2023, Kroll has observed an increased use of the malicious “SYSTEMBC” tool to maintain access in a compromised network. SYSTEMBC was first observed in the wild in 2018 with its core functionality revolving around its ability to act as SOCKS5 proxy. This provides a useful capability for threat actors as a persistent access mechanism or for purposes of leaving behind a backdoor in case of discovery of their initial access method.…

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By Securonix Threat Labs, Threat Research: D. Iuzvyk, T. Peck, O. Kolesnikov

tldr: Threat actors favor RMM (remote monitoring and management) as it allows for convenient and stealthy command and control capabilities on compromised hosts. Today, let’s take a look at some of the popular options that the bad guys are using and discover how we can detect them.…

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This post is also available in: 日本語 (Japanese)

Executive Summary

Malware, like many complex software systems, relies on the concept of software configuration. Configurations establish guidelines for malware behavior and they are a common feature among the various malware families we examine. The configuration data embedded within malware can offer invaluable insights into the intentions of cybercriminals.…

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Published On : 2024-01-03

EXECUTIVE SUMMARY

This report provides a glimpse into the evolving landscape of RAT development and malicious activities performed by threat actors working under name of ‘Anonymous Arabic’. Our team investigated the Silver RAT (written in C sharp) which has capabilities to bypass anti-viruses and covertly launch hidden applications, browsers, keyloggers, and other malicious activities.…

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This post is also available in: 日本語 (Japanese)

Executive Summary

Unit 42 researchers have observed threat actors using malicious JavaScript samples to steal sensitive information by abusing popular survey sites, low-quality hosting and web chat APIs. In some campaigns, attackers created chatbots that they registered to someone noteworthy such as an Australian footballer.…

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Estimated reading time: 6 minutes

Cerber is a strain of ransomware that was first identified in early 2016. It is a type of malware that encrypts a victim’s files and demands a ransom for the decryption key needed to unlock the files. Cerber, like many other ransomware variants, typically targets individuals and organizations by encrypting their files and demanding a ransom payment (usually in cryptocurrencies like Bitcoin) for the decryption key.…

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In the vast world of cybersecurity, as technologies evolve, so do the methods attackers employ to compromise systems. One such intriguing method that recently surfaced is MySQL servers, leveraging SQL commands to stealthily infiltrate, deploy, and activate malicious payloads. Let’s delve deeper into the MySQL bot infection process and explore the intricacies of its operation.…

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Cisco Talos recently discovered a new campaign conducted by the Lazarus Group we’re calling “Operation Blacksmith,” employing at least three new DLang-based malware families, two of which are remote access trojans (RATs), where one of these uses Telegram bots and channels as a medium of command and control (C2) communications.…
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In the ever-evolving landscape of cybersecurity threats, one name that consistently surfaces as a force to be reckoned with is “PlugX.” This covert and insidious malware has left a trail of digital intrigue, combining advanced features with a knack for eluding detection. Its history is interwoven with cyber espionage, targeted attacks, and a continuous cat-and-mouse game with security experts (1)(2).…

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