Category: Threat Research

Detailed Analysis of DocSwap Malware Disguised as Security Document Viewer
A newly identified malware named “문서열람 인증 앱” (Document Viewing Authentication App), linked to a North Korean-backed APT group, has been detected. This malicious application poses as a legitimate document viewing tool but is designed to perform keylogging and information theft through various malicious functions. Users in South Korea are the primary targets, and the malware has connections to a phishing page that impersonates CoinSwap.…
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Technical Advisory: Mass Exploitation of CVE-2024-4577
In June 2024, Bitdefender Labs highlighted a critical security vulnerability (CVE-2024-4577) in PHP affecting Windows systems in CGI mode, allowing remote code execution through manipulated character encoding. This vulnerability has seen an increase in exploitation attempts, especially in Taiwan and Hong Kong, with attackers also modifying firewall settings to block known malicious IPs.…
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VanHelsing, new RaaS in Town
VanHelsingRaaS is an emerging ransomware-as-a-service (RaaS) launched in March 2025, allowing affiliates to initiate ransomware attacks with a low deposit. It targets multiple platforms and has already infected several victims demanding significant ransom payments. The program’s rapid growth and sophisticated capabilities highlight the evolving ransomware threat.…
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South Korean Organizations Targeted by Cobalt Strike Cat Delivered by a Rust Beacon
Hunt researchers exposed a web server hosting tools linked to an intrusion campaign against South Korean organizations. This server, available for less than 24 hours, encompassed a Rust-compiled Windows executable that deployed Cobalt Strike Cat along with several other open-source tools. The attacker appears to have focused on exploiting vulnerabilities in government and commercial entities.…
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New Ransomware Operator Exploits Fortinet Vulnerability Duo
Forescout Research has identified a new ransomware strain, dubbed SuperBlack, linked to the threat actor “Mora_001”, exploiting vulnerabilities in Fortinet devices. This threat actor is connected to the LockBit ransomware ecosystem and demonstrates sophisticated tactics including rapid ransomware deployment, user account creation across victim networks, and the use of modified LockBit tools.…
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Rapid7 MDR Supports AWS GuardDuty’s New Attack Sequence Alerts
AWS GuardDuty has introduced two new alerts—”Potential Credential Compromise” and “Potential S3 Data Compromise”—to enhance threat detection by correlating multiple signals over time, which aids in detecting sophisticated attacks. These improvements allow for rapid response to potential threats, supported by Rapid7’s Managed Threat Complete and InsightCloudSec services.…
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The Biggest Supply Chain Hack Of 2025: 6M Records For Sale Exfiltrated from Oracle Cloud Affecting over 140k Tenants
A significant data breach occurred involving a threat actor known as “rose87168,” who sold 6 million records extracted from Oracle Cloud’s SSO and LDAP systems. The compromised data includes sensitive credentials and key files, affecting over 140,000 tenants. The actor’s activities suggest they exploited a web application vulnerability, raising severe concerns regarding Oracle Cloud’s security.…
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Operation FishMedley
The US Department of Justice has indicted employees of the Chinese contractor I‑SOON for conducting espionage campaigns, particularly targeting governments, NGOs, and think tanks through the FishMonger APT group. The campaign, termed Operation FishMedley, involved complex techniques and tools typically used by China-aligned threat actors, leading to the compromise of several organizations across various continents.…
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GoStringUngarbler: Deobfuscating Strings in Garbled Binaries
The FLARE team introduces GoStringUngarbler, a command-line tool to assist in deobfuscating malware written in Go and protected via garble. While garble employs various techniques to obscure strings in binaries, GoStringUngarbler automates the extraction of decrypted strings, aiding in malware detection and static analysis. The blog details garble’s string transformation methods and the workings of GoStringUngarbler in reversing these obfuscations.…
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Albabat Ransomware Group Potentially Expands Targets to Multiple OS, Uses GitHub to Streamline Operations
Trend Research has identified new versions of the Albabat ransomware targeting Windows, Linux, and macOS platforms. The group is utilizing GitHub to facilitate their ransomware operations. Organizations are advised to enhance security protocols and implement preventive measures to mitigate potential ransomware attacks. Affected: Windows, Linux, macOS

Keypoints :

New versions of Albabat ransomware have been discovered, indicating a potential expansion of targets.…
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Squid Werewolf Cyber Spies Masquerade as Recruiters
This article discusses a sophisticated phishing attack characterized by a deceptive email presenting a job offer. The attack utilizes a password-protected ZIP file containing an LNK file that executes commands to establish persistence and deploy a malicious DLL. It highlights the techniques used by the threat actor to conduct the attack and indicates that the operation bears similarities to prior attacks attributed to the APT37 group.…
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VanHelsing Ransomware
The CYFIRMA Research and Advisory Team has discovered the VanHelsing Ransomware, which targets Windows systems and uses advanced encryption methods, making it challenging to detect and remove. It employs double extortion tactics, threatening to leak sensitive data, and stresses the importance of proactive cybersecurity measures and incident response strategies.…
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SideWinder Threat Group: Maritime and Nuclear Sectors at Risk with Updated Toolset
SideWinder, also known as Rattlesnake or T-APT-04, is an advanced persistent threat group from India that has expanded its operations to target maritime and nuclear sectors across Asia, the Middle East, and Africa since 2012. Known for quickly adapting to security measures, SideWinder employs various tactics, techniques, and procedures (TTPs) to execute sophisticated cyber-attacks, primarily through phishing and malware.…
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