New Variant of Banking Trojan BBTok Targets Over 40 Latin American Banks

An active malware campaign targeting Latin America is dispensing a new variant of a banking trojan called BBTok, particularly users in Brazil and Mexico. "The BBTok banker has a dedicated functionality that replicates the interfaces of more than 40 Mexican and Brazilian banks, and tricks the...

NodeStealer Malware Now Targets Facebook Business Accounts on Multiple Browsers

An ongoing campaign is targeting Facebook Business accounts with bogus messages to harvest victims' credentials using a variant of the Python-based NodeStealer and potentially take over their accounts for follow-on malicious activities. "The attacks are reaching victims mainly in Southern Europe...

Microsoft Uncovers Flaws in ncurses Library Affecting Linux and macOS Systems

A set of memory corruption flaws have been discovered in the ncurses short for new curses programming library that could be exploited by threat actors to run malicious code on vulnerable Linux and macOS systems. "Using environment variable poisoning, attackers could chain these vulnerabilities to...

How Cisco Talos IR helped a healthcare company quickly resolve a Qakbot attack

Partnership and proactive measures reduce resolution time from weeks to mere hours. Healthcare is one of the most popular targets for threat actors, as evidenced by the fact that it was the most-targeted sector in each of Cisco Talos Incident Responses past two Quarterly Trends Reports. But if...

RedLine/Vidar Abuses EV Certificates, Shifts to Ransomware

In this blog, we investigate how threat actors used information-stealing malware with EV code signing certificates and later delivered ransomware payloads to its victims via the same delivery method...

Malware distributor Storm-0324 facilitates ransomware access

The threat actor that Microsoft tracks as Storm-0324 is a financially motivated group known to gain initial access using email-based initial infection vectors and then hand off access to compromised networks to other threat actors. These handoffs frequently lead to ransomware deployment. Beginnin...

Akira Ransomware Exploits Cisco Zero-Day Vulnerability

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary The zero-day vulnerability, identified as CVE-2023-20269, is a concerning security issue that impacts the remote access VPN feature of Cisco ASA Adaptive Security Appliance and FTD Firepower Threa...

CVE-2023-32005

A vulnerability has been identified in Node.js version 20, affecting users of the experimental permission model when the --allow-fs-read flag is used with a non- argument. This flaw arises from an inadequate permission model that fails to restrict file stats through the fs.statfs API. As a result...

CVE-2023-32005

A vulnerability has been identified in Node.js version 20, affecting users of the experimental permission model when the --allow-fs-read flag is used with a non- argument. This flaw arises from an inadequate permission model that fails to restrict file stats through the fs.statfs API. As a result...

Cybercriminals Using PowerShell to Steal NTLMv2 Hashes from Compromised Windows

A new cyber attack campaign is leveraging the PowerShell script associated with a legitimate red teaming tool to plunder NTLMv2 hashes from compromised Windows systems primarily located in Australia, Poland, and Belgium. The activity has been codenamed Steal-It by Zscaler ThreatLabz. "In this...

Critical Remote Code Execution Vulnerabilities Discovered in ASUS Routers

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Three critical-severity remote code execution vulnerabilities have been identified in ASUS routers. These vulnerabilities have the potential to allow threat actors to take control of these devices...

Cybercriminals Weaponizing Legitimate Advanced Installer Tool in Crypto-Mining Attacks

A legitimate Windows tool used for creating software packages called Advanced Installer is being abused by threat actors to drop cryptocurrency-mining malware on infected machines since at least November 2021. "The attacker uses Advanced Installer to package other legitimate software installers,...

North Korean Hackers Exploit Zero-Day Bug to Target Cybersecurity Researchers

Threat actors associated with North Korea are continuing to target the cybersecurity community using a zero-day bug in an unspecified software over the past several weeks to infiltrate their machines. The findings come from Google's Threat Analysis Group TAG, which found the adversary setting up...

DuckTail Targets the Digital Marketers with Malicious Operations

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary DuckTail refers to an operation organized by several threat actors based in Vietnam. These threat actors not only employ common techniques but also share a common objective: to gain unauthorized access t...

Multiple Nation-State Threat Actors Exploit CVE-2022-47966 and CVE-2022-42475

Actions to take today to mitigate malicious cyber activity: 1. Patch all systems for known exploited vulnerabilities KEVs, including firewall security appliances. 2. Monitor for unauthorized use of remote access software using endpoint detection tools. 3. Remove unnecessary disabled accounts and...

Stored Cross-Site Scripting Vulnerability Patched in Newsletter WordPress Plugin

On August 16, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for a stored Cross-Site Scripting XSS vulnerability in the Newsletter plugin, which is actively installed on more than 300,000 WordPress websites. The vulnerability enables threat...

MinIO Vulnerabilities Exposed as Hackers Breach Through Storage

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary In a recent malware campaign, threat actors utilized a new IDAT Loader to distribute a range of malicious software, including InfoStealers and RATs, employing evasion methods. This loader is...

New IDAT Loader Unleashes Infostealers in Fake Browser Update Campaign

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary In a recent malware campaign, threat actors utilized a new IDAT Loader to distribute a range of malicious software, including InfoStealers and RATs, employing evasion methods. This loader is packaged...

Summary of Vulnerabilities, Actors & Attacks: August 2023

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Qualys Top 20 Most Exploited Vulnerabilities

The earlier blog posts showcased an overview of the vulnerability threat landscape that is either remotely exploited or most targeted by attackers. A quick recap – We focused on high-risk vulnerabilities that can be remotely exploited with or without authentication, and with the view on the time ...