threat-intel Cavern C2 Uses DNS and Google Apps Script to Blend Into Legitimate Traffic The Cavern C2 framework, used by Iranian nation-state hackers linked to the Ministry of Intelligence and Security (MOIS) and associated with groups like MuddyWater and OilRig (Lyceum), is undergoing continuous evolution. Recent findings reveal a shift towards utilizing legitimate services like Google Apps Script and Mi… The Hacker News · Aug 17, 2026 High IRc2dnsgoogle
threat-intel HollowGraph Malware Hides C2 and Stolen Files in Microsoft 365 Events Dated 2050 A sophisticated espionage implant, dubbed HollowGraph, is using a hijacked Microsoft 365 calendar as its command and control channel to steal data and deliver instructions. The malware, linked to the Iranian threat group… The Hacker News · Jul 20, 2026 High ISIRespionagecommand-and-controlmicrosoft 365
threat-intel Iran-Linked Hackers Use New Cavern C2 Framework to Target Israeli Organizations Iranian hackers, linked to Iran's Ministry of Intelligence and Security (MOIS) and operating under the moniker Cavern Manticore, are utilizing a new, modular command-and-control (C2) framework called ‘Cavern’ to target I… The Hacker News · Jul 6, 2026 High CVE-2025-52691CVE-2025-68613CVE-2025-9316ISIRc2command and controldotnet
malware Researcher Analyzes 3,000 Live ClickFix Payloads, Exposing API-Driven Malware Delivery This report details a concerning trend in malware delivery – the evolution of ClickFix, a technique where users are tricked into running malicious code by hand. Researchers have uncovered a new API-driven approach to gen… The Hacker News · Jul 1, 2026 High RUIRNOmalwarepayloadapi
vulnerability Unpatched Langflow Flaw CVE-2026-5027 Exploited for Unauthenticated RCE A critical vulnerability, CVE-2026-5027, in the Langflow low-code platform has been actively exploited, allowing for remote code execution due to a lack of input sanitization. This flaw, combined with unauthenticated aut… The Hacker News · Jun 10, 2026 Critical CVE-2026-5027CVE-2026-0770CVE-2026-33017USCAlow-codeairemote code execution
threat-intel MuddyWater Uses DLL Side-Loading in Espionage Campaign Targeting 9 Countries The MuddyWater hacking group, backed by Iran, has been conducting a sophisticated espionage campaign targeting organizations across nine countries on four continents during Q1 2026. The campaign utilizes DLL side-loading… The Hacker News · May 26, 2026 High KRSAAEdll-side-loadingcredential-stealingreconnaissance