A dangerous custom Linux router implant targets edge networks. Learn how this campaign uses router DNS hijacking to evade classic endpoint EDR tools.
DNS-over-HTTPS
Malwarebytes uncovers a trojanized FileZilla campaign using DLL hijacking and DNS-over-HTTPS to silently steal FTP credentials and bypass security.
Cisco Talos uncovers "Dohdoor," a stealthy backdoor used by UAT-10027. It abuses DNS-over-HTTPS via Cloudflare to spy on U.S. healthcare and education sectors.
NCSC reveals SHOE RACK, a stealthy post-exploitation malware using reverse SSH tunneling, DoH, and protocol abuse to maintain remote access on FortiGate 100D firewalls.
Earth Kasha targets Taiwan and Japan in a March 2025 spear-phishing campaign using ANEL and NOOPDOOR backdoors for stealthy cyber espionage.
Critical DoS vulnerability (CVE-2025-30194) impacts PowerDNS DNSdist 1.9.0-1.9.8 with DoH. Upgrade to 1.9.9 or use h2o provider.
Critical vulnerabilities in BIND DNS software: CVE-2024-11187 and CVE-2024-12705. Understand the risks of denial-of-service attacks on DNS servers and resolvers.