ToddyCat exploits unknown vulnerability in Microsoft Exchange servers to targets entities in Europe and Asia

Threat Level Actor Report For a detailed advisory, download the pdf file here Summary ToddyCat, an APT group is deploying web shells by exploiting an unknown vulnerability in the Microsoft Exchange Servers. They are initiating a multi-stage infection that aims at governmental bodies in Europe and...

Nation-state Hackers Target Journalists with Goldbackdoor Malware

Sophisticated hackers believed to be tied to the North Korean government are actively targeting journalists with novel malware dubbed Goldbackdoor. Attacks have consisted of multistage infection campaign with the ultimate goal of stealing sensitive information from targets. The campaign is believ...

Iranian state-sponsored APT group MuddyWater targeting organizations via malicious executables

THREAT LEVEL: Red. United States Cyber Command USCYBERCOM has warned of an ongoing cyber attack by Iranian state sponsored actor named as MuddyWater. This APT group is currently targeting Middle Eastern countries and has also targeted European and North American nations. The Iranian-backed...

New SEO Poisoning Campaign Distributing Trojanized Versions of Popular Software

An ongoing search engine optimization SEO poisoning attack campaign has been observed abusing trust in legitimate software utilities to trick users into downloading BATLOADER malware on compromised machines. "The threat actor used 'free productivity apps installation' or 'free software developmen...

GhostEmperor: From ProxyLogon to kernel mode

Download GhostEmperors technical details PDF While investigating a recent rise of attacks against Exchange servers, we noticed a recurring cluster of activity that appeared in several distinct compromised networks. This cluster stood out for its usage of a formerly unknown Windows kernel mode...

Cybercriminals Abusing Internet-Sharing Services to Monetize Malware Campaigns

Threat actors are capitalizing on the growing popularity of proxyware platforms like Honeygain and Nanowire to monetize their own malware campaigns, once again illustrating how attackers are quick to repurpose and weaponize legitimate platforms to their advantage. "Malware is currently leveraging...

What is Advanced Persistent Threat (APT) and security measures❓

Advanced persistent threat is a targeted attack against a specific entity, usually a corporation or government agency, that has the goal of obtaining information or access to computer systems. APTs rely on targeted attacks to achieve success. While malware and phishing attacks are not new, the AP...

Wormable DarkRadiation Ransomware Targets Linux and Docker Instances

Cybersecurity researchers are sounding the alarm bell over a new ransomware strain called "DarkRadiation" that's implemented entirely in Bash and targets Linux and Docker cloud containers, while banking on messaging service Telegram for command-and-control C2 communications. "The ransomware is...

Researchers Warn of Facefish Backdoor Spreading Linux Rootkits

Cybersecurity researchers have disclosed a new backdoor program capable of stealing user login credentials, device information and executing arbitrary commands on Linux systems. The malware dropper has been dubbed "Facefish" by Qihoo 360 NETLAB team owing its capabilities to deliver different...

Attackers Blowing Up Discord, Slack with Malware

Workflow and collaboration tools like Slack and Discord have been infiltrated by threat actors, who are abusing their legitimate functions to evade security and deliver info-stealers, remote-access trojans RATs and other malware. The pandemic-induced shift to remote work drove business processes...

Agent Tesla Malware Spotted Using New Delivery & Evasion Techniques

Security researchers on Tuesday uncovered new delivery and evasion techniques adopted by Agent Tesla remote access trojan RAT to get around defense barriers and monitor its victims. Typically spread through social engineering lures, the Windows spyware not only now targets Microsoft's Antimalware...

DanaBot Malware Roars Back into Relevancy

Researchers are warning that a new fourth version of the DanaBot banking trojan has surfaced after months of mysteriously going quiet. The latest variant, still under analysis by researchers, is raising concerns given the number of past DanaBot effective campaigns. From May 2018 to June 2020,...

Security update for docker-distribution (moderate)

openSUSE Security Update: Security update for docker-distribution Announcement ID: openSUSE-SU-2020:1433-1 Rating: moderate References: 1033172 1049850 Cross-References: CVE-2017-11468 Affected Products: openSUSE Backports SLE-15-SP2 An update that solves one vulnerability and has one errata is n...

4 Dangerous Brazilian Banking Trojans Now Trying to Rob Users Worldwide

Cybersecurity researchers on Tuesday detailed as many as four different families of Brazilian banking trojans that have targeted financial institutions in Brazil, Latin America, and Europe. Collectively called the "Tetrade" by Kaspersky researchers, the malware families — comprising Guildma,...

Beyond the Endpoint: Why Organizations are Choosing XDR for Holistic Detection and Response

The endpoint has long been a major focal point for attackers targeting enterprise IT environments. Yet increasingly, security bosses are being forced to protect data across the organization, whether it’s in the cloud, on IoT devices, in email, or on-premises servers. Attackers may jump from one...

TAU Threat Analysis: Bundlore (macOS) mm-install-macos

The mm-install-macos variant of the Bundlore family of macOS adware has been around for many years in many variations and delivery methods. Recently, a variant with a novel installation method was discovered. Although most of the installation details were the same or similar to the samples analyz...

Multi-stage APT attack drops Cobalt Strike using Malleable C2 feature

This blog post was authored by Hossein Jazi and Jérôme Segura On June 10, we found a malicious Word document disguised as a resume that uses template injection to drop a .Net Loader. This is the first part of a multi-stage attack that we believe is associated to an APT attack. In the last stage,...

New LNK attack tied to Higaisa APT discovered

This post was authored by Hossein Jazi and Jérôme Segura On May 29th, we identified an attack that we believe is part of a new campaign from an Advanced Persistent Threat actor known as Higaisa. The Higaisa APT is believed to be tied to the Korean peninsula, and was first disclosed by Tencent...

Silent Night Banking Trojan Charges Top Dollar on the Underground

A descendant of the infamous Zeus banking trojan, dubbed Silent Night by the malware’s author, has emerged on the scene, with a host of functionalities available in a spendy malware-as-a-service MaaS model. Custom builds can run as much as $4,000 per month to use, which researchers say is now...

Azure Sentinel uncovers the real threats hidden in billions of low fidelity signals

Cybercrime is as much a people problem as it is a technology problem. To respond effectively, the defender community must harness machine learning to compliment the strengths of people. This is the philosophy that undergirds Azure Sentinel. Azure Sentinel is a cloud-native SIEM that exploits...