Positive Technologies detects a series of attacks via Microsoft Exchange Server

While responding to an incident, the Incident Response team of Positive Technologies Expert Security Center (PT ESC) discovered an unknown keylogger embedded in the main Microsoft Exchange Server page of one of our customers. This keylogger was collecting account credentials Read More …

Threat Actors Exploit CVE-2017-11882 To Deliver Agent Tesla

First discovered in 2014, Agent Tesla is an advanced keylogger with features like clipboard logging, screen keylogging, screen capturing, and extracting stored passwords from different web browsers. Recently, Zscaler ThreatLabz detected a threat campaign where threat actors leverage CVE-2017-11882 XLAM Read More …

Money-making scripts attack organizations

In April of this year, the FBI published an advisory on attacks targeting government, law enforcement, and non-profit organizations. Attackers download scripts onto victims’ devices, delivering several types of malware all at once. The main aim is to utilize company Read More …

OriginBotnet Spreads via Malicious Word Document

In August, FortiGuard Labs obtained a Word document containing a malicious URL designed to entice victims to download a malware loader. This loader employs a binary padding evasion strategy that adds null bytes to increase the file’s size to 400 Read More …

New stealthy DarkWatchman malware hides in the Windows Registry

A new malware named ‘DarkWatchman’ has emerged in the cybercrime underground, and it’s a lightweight and highly-capable JavaScript RAT (Remote Access Trojan) paired with a C# keylogger. According to a technical report by researchers at Prevailion, the novel RAT is Read More …

PyMICROPSIA: New Information-Stealing Trojan from AridViper

Unit 42 researchers have been tracking the threat group AridViper, which has been targeting the Middle Eastern region. As part of this research, a new information-stealing Trojan with relations to the MICROPSIA malware family has been identified, showing that the Read More …

Houdini malware targets victims with keylogger, online bank account theft tools

A new variant of the Houdini malware has been detected in campaigns against financial institutions and their customers. Last week, cybersecurity researchers from Cofense said in a blog post that the new strain of Houdini — also known as HWorm — was Read More …