Stopping C2 communications in human-operated ransomware through network protection

Command-and-control C2 servers are an essential part of ransomware, commodity, and nation-state attacks. They are used to control infected devices and perform malicious activities like downloading and launching payloads, controlling botnets, or commanding post-exploitation penetration frameworks ...

Inside Raccoon Stealer V2

Raccoon Stealer is back on the news again. US officials arrested Mark Sokolovsky, one of the malware actors behind this program. In July 2022, after several months of the shutdown, a Raccoon Stealer V2 went viral. Last week, the Department of Justice's press release stated that the malware...

Raspberry Robin worm used as ransomware prelude

Raspberry Robin aka Worm.RaspberyRobin started out as an annoying, yet relatively low-profile threat that was often installed via USB drive. First spotted in September 2021, it was typically introduced into a network through infected removable drives, often USB devices. Now the worm has been foun...

Researchers Expose Over 80 ShadowPad Malware C2 Servers

As many as 85 command-and-control C2 servers have been discovered supported by the ShadowPad malware since September 2021, with infrastructure detected as recently as October 16, 2022. That's according to VMware's Threat Analysis Unit TAU, which studied three ShadowPad variants using TCP, UDP, an...

Cybercriminals Used Two PoS Malware to Steal Details of Over 167,000 Credit Cards

Two point-of-sale PoS malware variants have been put to use by a threat actor to steal information related to more than 167,000 credit cards from payment terminals. According to Singapore-headquartered cybersecurity company Group-IB, the stolen data dumps could net the operators as much as $3.34...

MaliBot: A New Android Banking Trojan Spotted in the Wild

A new strain of Android malware has been spotted in the wild targeting online banking and cryptocurrency wallet customers in Spain and Italy, just weeks after a coordinated law enforcement operation dismantled FluBot. The information stealing trojan, codenamed MaliBot by F5 Labs, is as feature-ri...

TrickBot Malware Abusing MikroTik Routers as Proxies for Command-and-Control

Microsoft on Wednesday detailed a previously undiscovered technique put to use by the TrickBot malware that involves using compromised Internet of Things IoT devices as a go-between for establishing communications with the command-and-control C2 servers. "By using MikroTik routers as proxy server...

MoleRats APT Launches Spy Campaign on Bankers, Politicians, Journalists

Malicious files doctored up to look like legitimate content related to the Israeli-Palestine conflict are being used to target prominent Palestinians, as well as activists and journalists in Turkey, with spyware. That’s according to a disclosure from Zscaler, which attributes the cyberattacks to...

Spyware Blitzes Compromise, Cannibalize ICS Networks

Attackers are targeting industrial enterprises with spyware campaigns that hunt for corporate credentials so they can be used both for financial gain and to cannibalize compromised networks to propagate future attacks, researchers have found. The campaigns use off-the-shelf spyware but are unique...

Purple Fox rootkit now bundled with Telegram installer

The Purple Fox rootkit is being spread as an installer for the popular Telegram instant messaging app for Windows, according to researchers. Its not clear how the installer in this case was distributed, although it seems like at least some were delivered via email. Common distribution methods for...

Malicious npm Code Packages Built for Hijacking Discord Servers

A series of malicious packages in the Node.js package manager npm code repository are looking to harvest Discord tokens, which can be used to take over unsuspecting users’ accounts and servers. The npm repository is an open-source home for JavaScript developers to share and reuse code blocks. The...

TrickBot helps Emotet come back from the dead

Probably one of the best known threats for the past several years, Emotet has always been under intense scrutiny from the infosec community. On several occasions, it appeared to take an early retirement, but then again it came back. However, when multiple law enforcement agencies seized control o...

Researchers Warn of FontOnLake Rootkit Malware Targeting Linux Systems

Cybersecurity researchers have detailed a new campaign that likely targets entities in Southeast Asia with a previously unrecognized Linux malware that's engineered to enable remote access to its operators, in addition to amassing credentials and function as a proxy server. The malware family,...

Malware Attack on Aviation Sector Uncovered After Going Unnoticed for 2 Years

A targeted phishing campaign aimed at the aviation industry for two years may be spearheaded by a threat actor operating out of Nigeria, highlighting how attackers can carry out small-scale cyber offensives for extended periods of time while staying under the radar. Cisco Talos dubbed the malware...

Trickbot Malware Rebounds with Virtual-Desktop Espionage Module

The Trickbot trojan is in resurgence mode, with its operators filling out infrastructure globally and releasing an updated version of its “vncDll” module, used for monitoring and intelligence gathering, researchers said. According to an analysis this week from Bitdefender, there has been “a...

Hackers Trick Microsoft Into Signing Netfilter Driver Loaded With Rootkit Malware

Microsoft on Friday said it's investigating an incident wherein a driver signed by the company turned out to be a malicious Windows rootkit that was observed communicating with command-and-control C2 servers located in China. The driver, called "Netfilter," is said to target gaming environments,...

Spam Downpour Drips New IcedID Banking Trojan Variant

Researchers have seen a new variant of the IcedID banking trojan sliding in via two new spam campaigns. Written in English and carrying .ZIP files full of the malware – or links to such ZIP files – the new twist on the old banking trojan is a tweaked downloader, which the threat actors moved from...

A New Spyware is Targeting Telegram and Psiphon VPN Users in Iran

Threat actors with suspected ties to Iran have been found to leverage instant messaging and VPN apps like Telegram and Psiphon to install a Windows remote access trojan RAT capable of stealing sensitive information from targets' devices since at least 2015. Russian cybersecurity firm Kaspersky,...

Experts Uncover Yet Another Chinese Spying Campaign Aimed at Southeast Asia

An ongoing cyber-espionage operation with suspected ties to China has been found targeting a Southeast Asian government to deploy spyware on Windows systems while staying under the radar for more than three years. "In this campaign, the attackers utilized the set of Microsoft Office exploits and...

Over 750,000 Users Downloaded New Billing Fraud Apps From Google Play Store

Researchers have uncovered a new set of fraudulent Android apps in the Google Play store that were found to hijack SMS message notifications for carrying out billing fraud. The apps in question primarily targeted users in Southwest Asia and the Arabian Peninsula, attracting a total of 700,000...