3 casos · pág. 1/1
Objective-See analyzed Heartbreaker, a previously unknown macOS ransomware sample (ad hoc-signed ARM64 Mach-O written in Rust). It was uploaded to VirusTotal in May 2025 and remains undetected by all AV engines. It was found by researcher Megan Carney. It encrypts files in ~/Downloads with AES-256-GCM, renames them to .heartbreaker, drops…
Between March 12 and 18, 2026, the GreyNoise Observation Grid (GOG) recorded 242,666 new scanning IPs geolocating to Hong Kong, 48.9% of all new scanning IPs seen that week. 99.7% never completed a TCP handshake, so GreyNoise classes them as "spoofable" (unverified source addresses). They carried no payloads and triggered no signatures. G…
F5 Labs, with Efflux sensor telemetry, profiled a persistent information-disclosure scanner operating from 78.153.140.203 in a netblock of AS202306 (HOSTGLOBAL.PLUS LTD), a UK ISP. The IP was first seen on 10 January 2025, vanished on 10 April, and returned on 11 July 2025. It scans 130 unique URLs: 80.23% are variations of /.env, 11.45% …
