Hackers weaponize Shellter red teaming tool to spread infostealers

Hackers are abusing the legitimate red teaming tool Shellter to spread stealer malware after a licensed copy was leaked. Elastic Security Labs has identified several malware campaigns using the commercial AV/EDR evasion tool SHELLTER. The tool was originally built for legitimate red team operations, however, threat actors have now adopted it to bypass security measures […]

July 9, 2025
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Microsoft Patch Tuesday security updates for July 2025 fixed a zero-day

Microsoft released Patch Tuesday security updates for July 2025, which addressed 130 flaws, including one a Microsoft SQL Server zero-day. Microsoft Patch Tuesday security updates for July 2025 addressed 130 vulnerabilities in Windows and Windows Components, Office and Office Components, .NET and Visual Studio, Azure, Teams, Hyper-V, Windows BitLocker, Microsoft Edge (Chromium-based), and the Windows […]

July 9, 2025
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U.S. CISA adds MRLG, PHPMailer, Rails Ruby on Rails, and Synacor Zimbra Collaboration Suite flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Multi-Router Looking Glass (MRLG), PHPMailer, Rails Ruby on Rails, and Synacor Zimbra Collaboration Suite (ZCS) flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Multi-Router Looking Glass (MRLG), PHPMailer, Rails Ruby on Rails, and Synacor Zimbra Collaboration Suite (ZCS) flaws to […]

July 8, 2025
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IT Worker arrested for selling access in $100M PIX cyber heist

Brazil arrests IT worker João Roque for aiding $100M PIX cyber heist, one of Brazil’s biggest banking system breaches. Brazilian police arrested João Roque (48), an IT employee at C&M, for allegedly aiding a cyberattack that stole over 540 million reais (~$100 million) via the PIX banking system. The company C&M links smaller banks to […]

July 8, 2025
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New Batavia spyware targets Russian industrial enterprises

Since March 2025, fake contract emails have been spreading Batavia spyware in targeted attacks on Russian organizations. Since March 2025, a targeted phishing campaign against Russian organizations has used fake contract-themed emails to spread the Batavia spyware, a new malware designed to steal internal documents. The attack, ongoing since July 2024, begins with links to […]

July 7, 2025
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Taiwan flags security risks in popular Chinese apps after official probe

Taiwan warns Chinese apps like TikTok and WeChat pose security risks due to excessive data collection and data transfers to China. Taiwan National Security Bureau (NSB) warns that Chinese apps like TikTok, WeChat, Weibo, and Baidu Cloud pose security risks due to excessive data collection and data transfer to China, following an official inspection with […]

July 7, 2025
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U.S. CISA adds Google Chromium V8 flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Chromium V8 vulnerability to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Chromium V8 vulnerability, tracked as CVE-2025-6554, to its Known Exploited Vulnerabilities (KEV) catalog. Last week, Google released security patches to address the Chrome vulnerability CVE-2025-6554 for which an exploit is […]

July 7, 2025
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Hunters International ransomware gang shuts down and offers free decryption keys to all victims

Hunters International ransomware gang announced its shutdown, citing unspecified “recent developments” and acknowledging its impact. The ransomware group Hunters International announced on its dark web site that it is shutting down, citing “recent developments” without specifying details. The group stated the decision was made after careful consideration and acknowledged the impact on affected organizations. “We, […]

July 6, 2025
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 52

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape 10 Things I Hate About Attribution: RomCom vs. TransferLoader  macOS NimDoor | DPRK Threat Actors Target Web3 and Crypto Platforms with Nim-Based Malware  Warning Against Distribution of Malware Disguised as Research Papers (Kimsuky Group)  Dissecting Kimsuky’s […]

July 6, 2025
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