Hackers Tampered With APKPure Store to Distribute Malware Apps

APKPure, one of the largest alternative app stores outside of the Google Play Store, was infected with malware this week, allowing threat actors to distribute Trojans to Android devices. In a supply-chain attack similar to that of German telecommunications equipment manufacturer Gigaset, the...

Alert — There's A New Malware Out There Snatching Users' Passwords

A previously undocumented malware downloader has been spotted in the wild in phishing attacks to deploy credential stealers and other malicious payloads. Dubbed "Saint Bot," the malware is said to have first appeared on the scene in January 2021, with indications that it's under active developmen...

Experts uncover a new Banking Trojan targeting Latin American users

Researchers on Tuesday revealed details of a new banking trojan targeting corporate users in Brazil at least since 2019 across various sectors such as engineering, healthcare, retail, manufacturing, finance, transportation, and government. Dubbed "Janeleiro" by Slovak cybersecurity firm ESET, the...

BadOutlook - (Kinda) Malicious Outlook Reader

A simple PoC which leverages the Outlook Application Interface COM Interface to execute shellcode on a system based on a specific trigger subject line. By utilizing the Microsoft.Office.Interop.Outlook namespace, developers can represent the entire Outlook Application or at least according to...

Nim-Based Malware Loader Spreads Via Spear-Phishing Emails

The TA800 threat group is distributing a malware loader, which researchers call NimzaLoader, via ongoing, highly-targeted spear-phishing emails. While previous Twitter analysis identified this loader as a mere variant of TA800’s existing BazaLoader malware, new research cites evidence that...

Researchers Unveil New Linux Malware Linked to Chinese Hackers

Cybersecurity researchers on Wednesday shed light on a new sophisticated backdoor targeting Linux endpoints and servers that's believed to be the work of Chinese nation-state actors. Dubbed "RedXOR" by Intezer, the backdoor masquerades as a polkit daemon, with similarities found between the malwa...

FIN8 Hackers Return With More Powerful Version of BADHATCH PoS Malware

Threat actors known for keeping a low profile do so by ceasing operations for prolonged periods in between to evade attracting any attention as well as constantly refining their toolsets to fly below the radar of many detection technologies. One such group is FIN8, a financially motivated threat...

D-Link, IoT Devices Under Attack By Tor-Based Gafgyt Variant

Researchers have discovered what they say is the first variant of the Gafgyt botnet family to cloak its activity using the Tor network. Gafgyt, a botnet that was uncovered in 2014, has become infamous for launching large-scale distributed denial-of-service DDoS attacks. Researchers first discover...

SharpSphere - .NET Project For Attacking vCenter

SharpSphere gives red teamers the ability to easily interact with the guest operating systems of virtual machines managed by vCenter. It uses the vSphere Web Services API and exposes the following functions: Command & Control - In combination with F-Secure's C3, SharpSphere provides C&C into VMs...

New SUNSHUTTLE Second-Stage Backdoor Uncovered Targeting U.S.-Based Entity; Possible Connection to UNC2452

Executive Summary In August 2020, a U.S.-based entity uploaded a new backdoor that we have named SUNSHUTTLE to a public malware repository. SUNSHUTTLE is a second-stage backdoor written in GoLang that features some detection evasion capabilities. Mandiant observed SUNSHUTTLE at a victim compromis...

BlackMamba - C2/post-exploitation Framework

BlackMamba is a multi client C2/post exploitation framework with some spyware features. Powered by Python 3.8.6 and QT Framework. Some of BlackMamba features are: Multi Client - Supports multiple client connections at the same time. Real Time Communication Updates - Real time communication and...

Bitcoins, Blockchains, and Botnets

A recent piece of malware from a known crypto mining botnet campaign has started leveraging Bitcoin blockchain transactions in order to hide its backup C2 IP address. It's a simple, yet effective, way to defeat takedown attempts...

Various Malware Lurks in Discord App to Target Gamers

A rise in online gaming, tied to pandemic-mandated social distancing, has led to a spike in criminals targeting the demographic. The latest effort to exploit the trend is malicious files planted inside the Discord platform designed to trick users into downloading malware-laced files. Researchers...

How Page Integrity Manager Detects Real-World Magecart Attacks

Written by Ziv Eli - Engineering Manager, Security and Maor Hod - Senior Product Manager, Security In this blog, we will take a look at and break down a recent Magecart attack detected and mitigated by Page Integrity Manager. The impacted customer operates a large international e-commerce busines...

Experts Uncover Malware Attacks Against Colombian Government and Companies

Cybersecurity researchers took the wraps off an ongoing surveillance campaign directed against Colombian government institutions and private companies in the energy and metallurgical industries. In a report published by ESET on Tuesday, the Slovak internet security company said the attacks — dubb...

In-the-Wild Series: Android Post-Exploitation

This is part 5 of a 6-part series detailing a set of vulnerabilities found by Project Zero being exploited in the wild. To read the other parts of the series, see the introduction post. Posted by Maddie Stone, Project Zero A deep-dive into the implant used by a high-tier attacker against Android...

SolarWinds Hack Potentially Linked to Turla APT

New details on the Sunburst backdoor used in the sprawling SolarWinds supply-chain attack potentially link it to previously known activity by the Turla advanced persistent threat APT group. Researchers at Kaspersky have uncovered several code similarities between Sunburst and the Kazuar backdoor...

Researchers Find Links Between Sunburst and Russian Kazuar Malware

Cybersecurity researchers, for the first time, may have found a potential connection between the backdoor used in the SolarWinds hack to a previously known malware strain. In new research published by Kaspersky researchers today, the cybersecurity firm said it discovered several features that...

Warning: Cross-Platform ElectroRAT Malware Targeting Cryptocurrency Users

Cybersecurity researchers today revealed a wide-ranging scam targeting cryptocurrency users that began as early as January last year to distribute trojanized applications to install a previously undetected remote access tool on target systems. Called ElectroRAT by Intezer, the RAT is written from...

ElectroRAT Drains Cryptocurrency Wallet Funds of Thousands

A new remote access tool RAT has been discovered being used in an extensive campaign. The attack has targeted cryptocurrency users in an attempt to collect their private keys and ultimately to drain their wallets. The never-before-seen RAT at the center of the campaign, which researchers dub...