TA505 Crime Gang Deploys SDBbot for Corporate Network Takeover

The TA505 cybercrime group has ramped up its attacks lately, with a set of campaigns bent on spreading the persistent SDBbot remote-access trojan RAT laterally throughout an entire corporate environment, researchers said. SDBbot RAT is a custom job that has been observed in TA505 attacks since at...

CVE-2019-18822

A privilege escalation vulnerability in ZOOM Call Recording 6.3.1 allows its user account i.e., the account under which the program runs - by default, the callrec account to elevate privileges to root by abusing the [email protected]. The [email protected] starts the /opt/callrec/bin/rs binar...

Overlay Malware Exploits Chrome Browser, Targets Banks and Heads to Spain

Researchers are warning of a remote overlay malware attack that leverages a fake Chrome browser plugin to target the accounts of banking customers in Spain. Grandoreiro is a type of remote overlay banking trojan, designed to help attackers overtake devices and display a full-screen overlay image...

Lock and Code S1Ep4: coronavirus and responding to computer viruses with Akshay Bhargava

This week on Lock and Code, we discuss the top security headlines generated right here on Labs and around the Internet. In addition, we talk to Akshay Bhargava, Chief Product Officer of Malwarebytes, about the similarities between coronavirus and computer viruses. We discuss computer virus...

xHelper: The Russian Nesting Doll of Android Malware

The “undeletable” xHelper malware – which ultimately results in the installation of the Triada trojan – has become a virulent scourge for Android devices this year, according to researcher analysis – bringing with it a hallmark of being virtually indestructible for the common user. xHelper is kno...

Unkillable xHelper and a Trojan matryoshka

It was the middle of last year that we detected the start of mass attacks by the xHelper Trojan on Android smartphones, but even now the malware remains as active as ever. The main feature of xHelper is entrenchment — once it gets into the phone, it somehow remains there even after the user delet...

Spearphishing Campaign Exploits COVID-19 To Spread Lokibot Infostealer

Researchers have discovered threat actors once again capitalizing on the COVID-19 pandemic and current attention on the World Health Organization WHO with a new spearphishing email designed to spread the LokiBot trojan sent using the WHO trademark as a lure. Researchers at FortiGuard Labs on Marc...

Threat Source newsletter (April 2, 2020)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. As long as COVID-19 is in the headlines which is going to be a long time actors are going to try and capitalize. We fully expect to see ...

Wiper Malware Called "Coronavirus" Spreads Among Windows Victims

A new Windows malware has emerged that makes disks unusable by overwriting the master boot record MBR. It takes its cue from the COVID-19 pandemic, calling itself simply “Coronavirus.” Overwriting the MBR is the same trick that the infamous NotPetya wiper malware used in 2017 in a campaign that...

Trickbot: A primer

By Chris Neal Executive Summary Trickbot remains one of the most sophisticated banking trojans in the landscape while constantly evolving.Highly modular, Trickbot can adapt to different environments with the help of its various modules.The group behind Trickbot has expanded their activities beyon...

Zeus Sphinx Banking Trojan Arises Amid COVID-19

The Zeus Sphinx banking trojan is back after being off the scene for nearly three years. According to researchers Amir Gandler and Limor Kessem at IBM X-Force, Sphinx a.k.a. Zloader or Terdot began resurfacing in December. However, the researchers observed a significant increase in volume in Marc...

TrickBot Mobile App Bypasses 2‐Factor Authentication for Net Banking Services

The malware authors behind TrickBot banking Trojan have developed a new Android app that can intercept one-time authorization codes sent to Internet banking customers via SMS or relatively more secure push notifications, and complete fraudulent transactions. The Android app, called "TrickMo" by I...

File Upload Vulnerability in Guojiz Integrated Content Management System V1.2

Guojiz integrated content management system is a domestic open source light navigation system program, based on ThinkPHP5 development, support for plug-in extensions, support for template extensions. Guojiz integrated content management system V1.2 file upload vulnerability , attackers can use th...

Unknown 'WildPressure' Malware Campaign Lets Off Steam in Middle East

A malware campaign that shares no known similarities to previous attacks has been uncovered, targeting organizations in the Middle East. Dubbed “WildPressure,” the campaign used a previously unknown malware that researchers named Milum, after the C++ class names inside the code. According to...

WildPressure targets industrial-related entities in the Middle East

In August 2019, Kaspersky discovered a malicious campaign distributing a fully fledged C++ Trojan that we call Milum. All the victims we registered were organizations from the Middle East. At least some of them are related to industrial sector. Our Kaspersky Threat Attribution Engine KTAE doesn't...

Coronavirus scams, found and explained

Coronavirus has changed the face of the world, restricting countless individuals from dining at restaurants, working from cafes, and visiting their loved ones. But for cybercriminals, this global pandemic is expanding their horizons. In the past week, Malwarebytes discovered multiple email scams...

TrickBot Now Exploits Infected PCs to Launch RDP Brute Force Attacks

A new module for TrickBot banking Trojan has recently been discovered in the wild that lets attackers leverage compromised systems to launch brute-force attacks against selected Windows systems running a Remote Desktop Protocol RDP connection exposed to the Internet. The module, dubbed...

Activities of a Nigerian Cybercriminal Uncovered

Ever wonder who’s behind one of those Nigerian cyber-crime email campaigns asking you to enter into a shady business deal and how they’re enacted? In a unique profile, researchers pulled back the curtain on such an attack with a report outlining how a Nigerian cybercriminal made hundreds of...

Activities of a Nigerian Cybercriminal Uncovered

Ever wonder who’s behind one of those Nigerian cyber-crime email campaigns asking you to enter into a shady business deal and how they’re enacted? In a unique profile, researchers pulled back the curtain on such an attack with a report outlining how a Nigerian cybercriminal made hundreds of...

Coronavirus-Themed APT Attack Spreads Malware

An advanced persistent threat APT group is leveraging the coronavirus pandemic to infect victims with a previously unknown malware, in a recently discovered campaign that researchers call “Vicious Panda.” Researchers identified two suspicious Rich Text Format files RTF — a text file format used b...