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GreyNoise observed an increase in scanning and exploitation attempts against Digital Video Recorders (DVRs) in Ukraine between 21 September and 1 October 2026, coinciding with an escalation in Russian strikes. Most of the activity targeted CVE-2021-36260, an unauthenticated command injection flaw in unpatched Hikvision products. GreyNoise…
FortiGuard Labs describes Evooo1Bot, a Linux botnet that embeds the Mirai DDoS engine in a more modular and capable framework. It uses encrypted C2 communications, layered string obfuscation (AES-256-CTR, ChaCha20, XOR-based key derivation) and a 28-command remote administration interface. It also ships an integrated exploit arsenal again…
This weekly recap covers several concurrent incidents. ConnectWise disabled seven application identities and suspended Cloud Backup after unknown actors abused them to compromise Microsoft 365 tenants. China-nexus Armory Castle (UNC5221 / Warp Panda) exploited BeyondTrust Remote Support flaw CVE-2026-102764 (CVSS 9.3) as a zero-day in lat…
