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Hackers Use GitHub Repositories to Host Amadey Malware and Data Stealers, Bypassing Filters

Hackers Use GitHub Repositories to Host Amadey Malware and Data Stealers, Bypassing Filters

Jul 17, 2025Ravie LakshmananMalware / Social Engineering Threat actors are leveraging public GitHub repositories to host malicious payloads and distribute them via Amadey as part of a campaign observed in April 2025. “The MaaS [malware-as-a-service]… 

Hackers Exploit Apache HTTP Server Flaw to Deploy Linuxsys Cryptocurrency Miner

Hackers Exploit Apache HTTP Server Flaw to Deploy Linuxsys Cryptocurrency Miner

Jul 17, 2025Ravie LakshmananCryptocurrency / Vulnerability Cybersecurity researchers have discovered a new campaign that exploits a known security flaw impacting Apache HTTP Server to deliver a cryptocurrency miner called Linuxsys. The vulnerability in question is… 

Europol Disrupts NoName057(16) Hacktivist Group Linked to DDoS Attacks Against Ukraine

Europol Disrupts NoName057(16) Hacktivist Group Linked to DDoS Attacks Against Ukraine

An international operation coordinated by Europol has disrupted the infrastructure of a pro-Russian hacktivist group known as NoName057(16) that has been linked to a string of distributed denial-of-service (DDoS) attacks against Ukraine and its allies.… 

Chinese Hackers Target Taiwan’s Semiconductor Sector with Cobalt Strike, Custom Backdoors

Chinese Hackers Target Taiwan’s Semiconductor Sector with Cobalt Strike, Custom Backdoors

The Taiwanese semiconductor industry has become the target of spear-phishing campaigns undertaken by three Chinese state-sponsored threat actors. “Targets of these campaigns ranged from organizations involved in the manufacturing, design, and testing of semiconductors and… 

Cisco Warns of Critical ISE Flaw Allowing Unauthenticated Attackers to Execute Root Code

Cisco Warns of Critical ISE Flaw Allowing Unauthenticated Attackers to Execute Root Code

Jul 17, 2025Ravie LakshmananVulnerability / Network Security Cisco has disclosed a new maximum-severity security vulnerability impacting Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) that could permit an attacker to execute arbitrary… 

Hackers Leverage Microsoft Teams to Spread Matanbuchus 3.0 Malware to Targeted Firms

Hackers Leverage Microsoft Teams to Spread Matanbuchus 3.0 Malware to Targeted Firms

Jul 16, 2025Ravie LakshmananThreat Intelligence / Vulnerability Cybersecurity researchers have flagged a new variant of a known malware loader called Matanbuchus that packs in significant features to enhance its stealth and evade detection. Matanbuchus is… 

UNC6148 Backdoors Fully-Patched SonicWall SMA 100 Series Devices with OVERSTEP Rootkit

UNC6148 Backdoors Fully-Patched SonicWall SMA 100 Series Devices with OVERSTEP Rootkit

A threat activity cluster has been observed targeting fully-patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances as part of a campaign designed to drop a backdoor called OVERSTEP. The malicious activity, dating back… 

Critical Golden dMSA Attack in Windows Server 2025 Enables Cross-Domain Attacks and Persistent Access

Critical Golden dMSA Attack in Windows Server 2025 Enables Cross-Domain Attacks and Persistent Access

Jul 16, 2025Ravie LakshmananWindows Server / Enterprise Security Cybersecurity researchers have disclosed what they say is a “critical design flaw” in delegated Managed Service Accounts (dMSAs) introduced in Windows Server 2025. “The flaw can result…