InfoSecBulletin Cybersecurity for mankind

Sekoia.io and Intrinsec analyzed the Quad7 (7777) botnet, which uses TCP port 7777 on infected routers to carry out brute-force attacks on Microsoft 365 accounts. Attacks were detected on 0.11% of monitored accounts. Key insights highlighted by researchers: Botnet Evolution: Quad7 has been active for a long time and continues …

A threat actor has announced a new DDoS tool called Cliver, which offers strong attack methods for disrupting web services, including HTTP/2 and TLS floods, Cloudflare bypass, and browser emulation for bypassing CAPTCHA. The threat actor shared more information in a FAQ section. Cliver is a strong Layer 7 (L7) …

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added two security flaws to its Known Exploited Vulnerabilities (KEV) catalog based on evidence of active exploitation. The vulnerabilities are listed below – CVE-2012-4792 (CVSS score: 9.3) – Microsoft Internet Explorer Use-After-Free Vulnerability CVE-2024-39891 (CVSS score: 5.3) – Twilio Authy Information Disclosure …