Hackers Increasingly Abusing Microsoft Graph API for Stealthy Malware Communications

Threat actors have been increasingly weaponizing Microsoft Graph API for malicious purposes with the aim of evading detection. This is done to "facilitate communications with command-and-control C&C infrastructure hosted on Microsoft cloud services," the Symantec Threat Hunter Team, part of...

ShellBot Malware Targets Mismanaged Linux Servers

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary ShellBot malware infects mismanaged Linux SSH servers and uses IRC protocol for C&C. To receive real-time threat advisories, please follow HiveForce Labs on LinkedIn...

Microsoft Teams' GIFShell Attack: What Is It and How You Can Protect Yourself from It

Organizations and security teams work to protect themselves from any vulnerability, and often don't realize that risk is also brought on by configurations in their SaaS apps that have not been hardened. The newly published GIFShell attack method, which occurs through Microsoft Teams, is a perfect...

Bizarro: a banking Trojan full of nasty tricks

Researchers have discovered a new banking Trojan that has been found targeting customers of European and South American banks. They have dubbed the new Trojan Bizarro. How does Bizarro spread? The Bizarro malware spreads via Microsoft Installer MSI packages. Identified sources so far have been sp...

New Banking Trojan Can Launch Overlay Attacks on Latest Android Versions

Researchers have discovered a new Android banking trojan that holds striking similarities to the infamous Lokibot – but packed with new tricky features, most notably its ability to implement an overlay attack on Android 7 and 8. Researchers at ThreatFabric, who discovered the trojan, said...

A MitM extension for Chrome

Browser extensions make our lives easier: they hide obtrusive advertising, translate text, help us choose in online stores, etc. There are also less desirable extensions, including those that bombard us with advertising or collect information about our activities. These pale into insignificance,...

Data Center Security Testing Tool: Infection Monkey

The Infection Monkey is an open source security tool for testing a data center’s resiliency to perimeter breaches and internal server infection. The Monkey uses various methods to self propagate across a data center and reports success to a centralized Command and ControlC&C server. The Infection...

New Backoff Variant ROM Tougher to Detect, Analyze

A new and more fine-tuned version of the Backoff point of sale malware known as ROM has been spotted in the wild, according to researchers. While the latest iteration is similar to the preceding version, ROM has tweaks that help the malware better evade detection and hinder the analysis process,...

Popular Remote access Trojan njRAT fuels Middle East Cyber Crime

Again the sophisticated piece of malware, "njRAT" has come to picture targeting the government agencies and organizations in the Middle East, according to the research carried out by Symantec security researchers. The researchers analyzed 721 samples of malicious code ‘njRAT’ and revealed that a...

Researchers Find Flaw in Dirt Jumper Bot

A team of researchers has discovered a weakness in the command-and-control infrastructure of one of the major DDoS toolkits, Dirt Jumper, that enables them to stop attacks that are in progress. The discovery gives the researchers the ability to access the back-end servers that control the attack...

U.S. Reigns As Most Bot-Infected Country

The U.S. has by far the highest number of bot-infected computers of any country in the world, with nearly four times as many infected PCs as the country in second place, Brazil, according to a new report by Microsoft. The quarterly report on malicious software and Internet attacks shows that whil...

How to Take Down a Botnet

The botnet problem has reached epidemic levels in recent months, with the continued growth of large-scale botnets, as well as the identification of smaller, more targeted networks around the world. But researchers have been taking steps to disrupt botnets of late, with some notable successes, as...