Apache ActiveMQ Flaw Exploited to Deploy DripDropper Malware on Cloud Linux Systems

Threat actors are exploiting a nearly two-year-old security flaw in Apache ActiveMQ to gain persistent access to cloud Linux systems and deploy malware called DripDropper. But in an unusual twist, the unknown attackers have been observed patching the exploited vulnerability after securing initial...

Abyss Locker’s Substantial Threat Explored

Summary: Abyss Locker ransomware surfaced in July 2023, deriving from the HelloKitty ransomware source code, indicating a lineage predating its official release. Similar to other ransomware variants, Abyss Locker infiltrates corporate networks, exfiltrates data for extortion, and encrypts devices...

Exploit for Deserialization of Untrusted Data in Apache Activemq

CVE-2023-46604 Exploit for CVE-2023-46604 This tool helps...

Attacks, Vulnerabilities and Actors 30 October to 5 November 2023

For a detailed threat digest, download the pdf file here Summary HiveForce Labs has recently made several significant discoveries related to cybersecurity threats. Over the past week, we identified a total of six executed attacks, three instances of adversary activity, and one exploited...

HelloKitty Ransomware Group Exploiting Apache ActiveMQ Vulnerability

Cybersecurity researchers are warning of suspected exploitation of a recently disclosed critical security flaw in the Apache ActiveMQ open-source message broker service that could result in remote code execution. "In both instances, the adversary attempted to deploy ransomware binaries on target...

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...

Vice Society Ransomware Attackers Targeted Dozens of Schools in 2022

The Vice Society cybercrime group has disproportionately targeted educational institutions, accounting for 33 victims in 2022 and surpassing other ransomware families like LockBit, BlackCat, BianLian, and Hive. Other prominent industry verticals targeted include healthcare, governments,...

Yanluowang Ransomware Leaks Analysis: Organization, Collaboration with HelloKitty, Babuk and Conti

Yanluowang Ransomware Leaks Analysis: Organization, Collaboration with HelloKitty, Babuk and Conti By Jambul Tologonov· November 22, 2022 Introduction On October 31, 2022, Yanluowang’s TOR site was hacked displaying a message “check and mate!! Yanluowang Matrix chat hacked @yanluowangleaks Time’s...

Yanluowang Ransomware Leaks Analysis: Organization, Collaboration with HelloKitty, Babuk and Conti

Yanluowang Ransomware Leaks Analysis: Organization, Collaboration with HelloKitty, Babuk and Conti By Jambul Tologonov· November 22, 2022 Introduction On October 31, 2022, Yanluowang’s TOR site was hacked displaying a message “check and mate!! Yanluowang Matrix chat hacked @yanluowangleaks Time’s...

Conti Ransomware Operation Shut Down After Splitting into Smaller Groups

Even as the operators of Conti threatened to overthrow the Costa Rican government, the notorious cybercrime gang officially took down its attack infrastructure in favor of migrating their malicious cyber activities to other ancillary operations, including Karakurt and BlackByte. "From the...

HelloKitty is launching a DDoS attack by exploiting known vulnerabilities

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. The FBI has issued a warning to private businesses about a new feature of the HelloKitty ransomware group aka FiveHands. The Hello Kitty/FiveHands actor UNC2447 employs the double extortion strategy to place undue pressure on...

Researchers Warn of 4 Emerging Ransomware Groups That Can Cause Havoc

Cybersecurity researchers on Tuesday took the wraps off four up-and-coming ransomware groups that could pose a serious threat to enterprises and critical infrastructure, as the ripple effect of a recent spurt in ransomware incidents show that attackers are growing more sophisticated and more...

Linux Variant of HelloKitty Ransomware Targets VMware ESXi Servers

For the first time, researchers have publicly spotted a Linux encryptor used by the HelloKitty ransomware gang: the outfit behind the February attack on videogame developer CD Projekt Red. On Wednesday, MalwareHunterTeam disclosed its discovery of numerous Linux ELF-64 versions of the HelloKitty...

Hackers Exploit SonicWall Zero-Day Bug in FiveHands Ransomware Attacks

An "aggressive" financially motivated threat group tapped into a zero-day flaw in SonicWall VPN appliances prior to it being patched by the company to deploy a new strain of ransomware called FIVEHANDS. The group, tracked by cybersecurity firm Mandiant as UNC2447, took advantage of an "improper S...

UNC2447 SOMBRAT and FIVEHANDS Ransomware: A Sophisticated Financial Threat

Mandiant has observed an aggressive financially motivated group, UNC2447, exploiting one SonicWall VPN zero-day vulnerability prior to a patch being available and deploying sophisticated malware previously reported by other vendors as SOMBRAT. Mandiant has linked the use of SOMBRAT to the...

HelloKitty: When Cyberpunk met cy-purr-crime

On February 9, after discovering a compromise, CD Projekt Red CDPR announced to its 1+ million followers on Twitter that it was the victim of a ransomware attack against its systems and made it clear they would not yield to the demands of the threat actors, nor negotiate. Cyberpunk 2077, the late...

hellokitty-love.co.kr XSS vulnerability

Open Bug Bounty ID: OBB-557469 Description| Value ---|--- Affected Website:| hellokitty-love.co.kr Open Bug Bounty Program:| Create your bounty program now. It's open and free. Vulnerable Application:| Custom Code Vulnerability Type:| XSS Cross Site Scripting / CWE-79 CVSSv3 Score:| 6.1...