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All news with #sidewinder tag

Mon, November 10, 2025

Acronis on FileFix, SideWinder and Shadow Vector Campaigns

🔍 Acronis TRU describes practical VirusTotal hunting techniques used to track the FileFix ClickFix variant, the long-running SideWinder actor, and the Shadow Vector SVG campaign targeting Colombian users. Using Livehunt, content-based YARA rules, VT Diff, and metadata pivoting, analysts located clipboard-based web payloads, document exploits (CVE‑2017‑0199/11882), and judicial-themed SVG decoys. The post emphasizes iterative rule tuning, retrohunt for timelines, and infrastructure pivots that convert fragmented indicators into actionable intelligence.

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Tue, October 28, 2025

SideWinder Adopts ClickOnce and PDF Lures in 2025 Campaign

🛡️ Trellix researchers report that the threat actor SideWinder has evolved its tradecraft in 2025 by adopting a PDF + ClickOnce infection chain alongside previously used Word exploit vectors. Four spear‑phishing waves from March through September targeted a European embassy in New Delhi and organizations in Sri Lanka, Pakistan and Bangladesh, using tailored lures and a signed MagTek executable that side‑loads a malicious DLL. The DLL decrypts and runs a .NET loader (ModuleInstaller) which fetches StealerBot, a .NET implant capable of reverse shells, delivering additional payloads, and collecting screenshots, keystrokes, credentials and files.

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