Dark Web Profile: The Gentlemen Ransomware

The Gentlemen is an operationally disciplined ransomware group first observed in mid-to-late 2025 that conducts double‑extortion attacks across Windows, Linux, NAS, BSD, and ESXi environments using password‑protected, operator-driven builds. Their campaigns leverage exposed internet-facing services and compromised administrative credentials, and victims have been publicly listed on a Dark Web leak site. #TheGentlemen #ESXi

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State actor targets 155 countries in ‘Shadow Campaigns’ espionage op

A state-sponsored threat actor tracked as TGR-STA-1030/UNC6619 conducted global espionage operations called “Shadow Campaigns,” compromising at least 70 government and critical infrastructure organizations across 37 countries and conducting reconnaissance against entities in 155 countries. The group used tailored phishing with Mega.nz-hosted archives, the Diaoyu loader (delivering Cobalt Strike and VShell), multiple exploit chains, and a custom eBPF Linux rootkit named ShadowGuard to evade detection and maintain persistent access. #TGR-STA-1030 #ShadowGuard

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10 Days to Exploit: Amaranth-Dragon Weaponizes WinRAR Flaw to Spy on SE Asia

A Chinese-aligned threat group known as Amaranth-Dragon rapidly weaponized a WinRAR path traversal flaw (CVE-2025-8088) to deliver malicious RAR archives that execute code when opened, targeting government and law enforcement agencies across Southeast Asia. The attackers deploy an Amaranth loader to fetch Havoc C2 payloads and a TGAmaranth RAT that uses…

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Amaranth-Dragon: Weaponizing CVE-2025-8088 for Targeted Espionage in the Southeast Asia

Amaranth-Dragon (a nexus linked to APT-41) ran highly targeted 2025 espionage campaigns across Southeast Asia using weaponized archives that exploited WinRAR CVE-2025-8088, custom Amaranth Loader, Havoc C2, and a new Telegram-based TGAmaranth RAT. The campaigns used geo-restricted Cloudflare-protected C2s, legitimate hosting (Dropbox, Pastebin), DLL sideloading, and payload encryption to maximize stealth and persistence. #Amaranth-Dragon #TGAmaranth

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New Amaranth Dragon cyberespionage group exploits WinRAR flaw

Amaranth Dragon, a threat actor linked to APT41, has been conducting espionage attacks against government and law enforcement organizations across Southeast Asia by exploiting the WinRAR path traversal flaw CVE-2025-8088. The group used legitimate tools alongside a custom Amaranth Loader and Cloudflare-backed C2 infrastructure to deliver encrypted payloads (including the Havoc framework and the TGAmaranth RAT), employ strict geofencing, and maintain stealth and persistence. #AmaranthDragon #CVE2025-8088 #WinRAR #TGAmaranthRAT

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