Alleged Extortioner of Psychotherapy Patients Faces Trial

Prosecutors in Finland this week commenced their criminal trial against Julius Kivimäki, a 26-year-old Finnish man charged with extorting a once popular and now-bankrupt online psychotherapy practice and thousands of its patients. In a 2,200-page report, Finnish authorities laid out how they...

New York Increases Cybersecurity Rules for Financial Companies

Another example of a large and influential state doing things the federal government wont: Boards of directors, or other senior committees, are charged with overseeing cybersecurity risk management, and must retain an appropriate level of expertise to understand cyber issues, the rules say...

Suspected Exploitation of Apache ActiveMQ CVE-2023-46604

Tom Elkins, John Fenninger, Evan McCann, Matthew Smith, and Micah Young contributed attacker behavior insights to this blog. Beginning Friday, October 27, Rapid7 Managed Detection and Response MDR identified suspected exploitation of Apache ActiveMQ CVE-2023-46604 in two different customer...

Taking deposits hostage

Lines of code Vulnerability details Impact An initial attacker can gain the power to hold subsequent deposits into StakedUSDeV2 hostage, and release them at will e.g. for a ransom. Proof of concept The checkMinShares requirement called after any withdrawal and deposit function checkMinShares...

A week in security (October 16 - October 22)

Last week on Malwarebytes Labs: Ragnar Locker ransomware group taken down IT administrators' passwords are awful too The hot topics from Europe's largest trade fair for IT security Clever malvertising attack uses Punycode to look like KeePass's official website 3 crucial security steps people...

A week in security (October 16 – October 22)

Last week on Malwarebytes Labs: Ragnar Locker ransomware group taken down IT administrators passwords are awful too The hot topics from Europes largest trade fair for IT security Clever malvertising attack uses Punycode to look like KeePasss official website 3 crucial security steps people should...

ExelaStealer: A New Low-Cost Cybercrime Weapon Emerges

A new information stealer named ExelaStealer has become the latest entrant to an already crowded landscape filled with various off-the-shelf malware designed to capture sensitive data from compromised Windows systems. "ExelaStealer is a largely open-source infostealer with paid customizations...

Unraveling Real-Life Attack Paths – Key Lessons Learned

In the ever-evolving landscape of cybersecurity, attackers are always searching for vulnerabilities and exploits within organizational environments. They don't just target single weaknesses; they're on the hunt for combinations of exposures and attack methods that can lead them to their desired...

Cross site request forgery (csrf)

Cross-Site Request Forgery CSRF vulnerability in josecoelho, Randy Hoyt, steveclarkcouk, Vitaliy Kukin, Eric Le Bail, Tom Ransom Category Meta plugin plugin = 1.2.8 versions...

QakBot Resurges Latest Strikes with Ransom Knight and Remcos RAT

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The QakBot malware has been associated with a persistent phishing campaign since the beginning of August 2023, leading to the deployment of both the Ransom Knight ransomware and the Remcos RAT. To receiv...

Rhysida Ransomware

Rhysida Ransomware By Alexandre Mundo, Max Kersten, and Leandro Velasco · October 9, 2023 New ransomware victims are made every day by ransom gangs with a variety of ransomware malware families, one of which is the Rhysida ransomware family. Within this blog, an anonymised version of an attack by...

QakBot Threat Actors Still in Action, Using Ransom Knight and Remcos RAT in Latest Attacks

Despite the disruption to its infrastructure, the threat actors behind the QakBot malware have been linked to an ongoing phishing campaign since early August 2023 that led to the delivery of Ransom Knight aka Cyclops ransomware and Remcos RAT. This indicates that "the law enforcement operation ma...

Qakbot-affiliated actors distribute Ransom Knight malware despite infrastructure takedown

The threat actors behind the Qakbot malware have been conducting a campaign since early August 2023 in which they have been distributing Ransom Knight ransomware and the Remcos backdoor via phishing emails. Notably, this activity appeared to begin before the FBI seized Qakbot infrastructure in la...

CVE-2023-42449 Malicious head initialiser can extract PTs from control of Hydra scripts, leading to locked participant commits or spoofed commits

Hydra is the two-layer scalability solution for Cardano. Prior to version 0.13.0, it is possible for a malicious head initializer to extract one or more PTs for the head they are initializing due to incorrect data validation logic in the head token minting policy which then results in an flawed...

‘Snatch’ Ransom Group Exposes Visitor IP Addresses

The victim shaming site operated by the Snatch ransomware group is leaking data about its true online location and internal operations, as well as the Internet addresses of its visitors, KrebsOnSecurity has found. The leaked data suggest that Snatch is one of several ransomware groups using paid...

What’s the point of press releases from threat actors?

Welcome to this weeks edition of the Threat Source newsletter. As a former reporter, Ive seen my fair share of press releases. But one from a threat actor was definitely a new one for me last week. ALPHV aka BlackCat publicly took credit for a massive cyber attack against MGM, a resort, gambling...

Unveiling New Windows Ransomware Named Trash Panda

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Trash Panda is a ransomware that encrypts files on Windows machines, replaces the desktop wallpaper, and drops a ransom note with political messages. It adds a ‘.monochrome’ extension to the encrypted...

LockBit 3.0 Ransomware Builder Leak Gives Rise to Hundreds of New Variants

The leak of the LockBit 3.0 ransomware builder last year has led to threat actors abusing the tool to spawn new variants. Russian cybersecurity company Kaspersky said it detected a ransomware intrusion that deployed a version of LockBit but with a markedly different ransom demand procedure. "The...

Attackers demand ransoms for stolen LinkedIn accounts

An ongoing campaign targeting LinkedIn accounts has led to victims losing control of their accounts, or being locked out following repeated login attempts. Whether the attackers are using brute force methods or credential stuffing isn't known, but because some victims are being being locked out...

Ransomware review: August 2023

This article is based on research by Marcelo Rivero, Malwarebytes' ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, "known attacks" are those where the victim did not pay a ransom. This provides the best overall picture of...