ESET
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Russian APT Gamaredon Intensifies Phishing Campaigns Against Ukraine
Gamaredon, a Russia-aligned APT, has intensified its spear-phishing attacks on Ukrainian government institutions, revealing a significant increase in sophistication and employing new stealth capabilities in its operations.
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Chinese Hackers Unleash MarsSnake Backdoor in Targeted Attacks on Saudi Organization
ESET has revealed that a China-aligned hacker group known as UnsolicitedBooker is targeting an unnamed Saudi Arabian organization with a new backdoor called MarsSnake, exploiting spear-phishing tactics to gain access to crucial information.
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Russian Hackers Exploit Old Vulnerabilities to Target Global Mail Servers
Security firm ESET reports that hackers, likely linked to the Russian government, have exploited long-standing cross-site scripting vulnerabilities to breach multiple high-value mail servers globally, with significant implications for defense contractors in Eastern Europe.
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FamousSparrow Hackers Enhance Cyber Attacks with Modular Backdoor
A China-linked cyberespionage group known as FamousSparrow has intensified its operations by deploying an upgraded version of its backdoor malware, SparrowDoor, against several organizations, including a US-based trade group. ESET researchers have identified significant improvements in the malware’s structure and capabilities, raising concerns about the group’s access to advanced cyber tools.