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Outsider Phishing Kit Survives Takedown With 700 New Pages
Group-IB found the Outsider phishing kit kept generating 700+ new phishing pages within a month of Operation Ghost Hook's takedown.
Group-IB linked the Outsider Phishing Kit, operated by a threat actor known as ChenLun, to more than 100,000 phishing pages across 54+ countries between December 2025 and May 2026. After the FBI, Google, and Lumen's Black Lotus Labs seized core admin servers, a Shopify storefront, about $100,000, and thousands of domains under Operation Ghost Hook in June, over 700 new phishing domains appeared within a month. The kit offered 267 templates, adversary-in-the-middle MFA interception, WebSocket-based live operator communication, and SMS delivery via a Telegram affiliate ecosystem with more than 5,000 subscribers.
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Brand Impersonation Takedown: From Whack-a-Mole to Managed Response
Mandiant-tracked group UNC3753 impersonated US professional services firms' brands in 2026; Cyble urges managed takedowns over manual abuse reports.
Cyble describes how Google Mandiant-tracked group UNC3753 targeted US professional services firms between January and May 2026 using brand impersonation, spoofed domains, and fake executive profiles. Manual takedowns fail because phishing pages damage brands within hours while removal takes days. A managed takedown program with continuous monitoring and pre-authorized removal cuts the exposure window from days to hours.
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Kimwolf botnet rebuilt to survive takedowns, researchers say
Palo Alto Unit 42 reports the Kimwolf/Aisuru botnet now uses HTTP/2 Chrome-impersonation floods and Ethereum blockchain-based command resolution to survive takedowns.
Palo Alto Networks' Unit 42 says a new Kimwolf/Aisuru botnet version active since February conducts DDoS floods over HTTP/2 with full Chrome browser fingerprints, making attack traffic hard to distinguish from real users. The malware resolves command servers via the Ethereum Name Service using five shuffled Ethereum endpoints, with a Tor hidden service fallback, so authorities cannot seize a domain or serve a takedown order. The botnet, powered mostly by hijacked Android TV boxes and IoT devices, previously had servers seized and an alleged operator arrested; new C2 infrastructure traces to a single network in Saint Petersburg, Russia. It is unclear whether the same developers built the new version.
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Fake Minecraft Sites Are Still Spreading WeedHack After C2 Takedown
McAfee says WeedHack infostealer MaaS still spreads via ten fake Minecraft client sites and SEO poisoning despite C2 takedown, with 116,464 infections logged.
McAfee Labs' follow-up on the WeedHack Malware-as-a-Service operation, first documented in June 2026, found ten active fake Minecraft client sites and multiple file-hosting accounts still distributing the infostealer even after its C2 server went dark; over 6,300 user attempts were blocked in the past month. The campaign, running since January with 116,464 infected systems and 2,000-3,000 daily new victims, offered a free Discord-gated tier and a $5/month premium tier with webcam surveillance, and stole session cookies, passwords, browser data, and cryptocurrency wallets. Distribution relies on SEO poisoning that ranked fake sites such as nova-client.com above genuine GitHub repositories, with most malicious links coming via Discord (49.6%) and MediaFire (23.4%), and one fake site built with the AI website builder lovable.app.
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Kimwolf v7 Hides DDoS Traffic Behind Chrome Fingerprints and Ethereum
Unit 42 details Kimwolf v7, an Android TV botnet upgrade using HTTP/2 Chrome-fingerprint DDoS floods and Ethereum ENS-based C2 across 1.8M+ infected devices.
Palo Alto Networks Unit 42 identified Kimwolf v7 on February 3, 2026, an upgrade to an Android TV botnet active since August 2025 and linked to the AISURU botnet, which has infected over 1.8 million devices. The new version adds an HTTP/2-based DDoS flood that mimics full Chrome browser fingerprints, consolidates 43 attack commands into 15 methods covering layers 3-7, and resolves C2 addresses via Ethereum Name Service using five hard-coded public blockchain RPC endpoints, backed by a Tor hidden service and a local proxy on 127.0.0.1:23075. It spreads through residential proxies to Android TV boxes with ADB enabled on port 5555 and masquerades as netd_service. The botnet is associated with the record 31.4 Tbps DDoS attack in November 2025.
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Kimwolf v7 Android Botnet Makes HTTP/2 DDoS Traffic Look Like Legitimate Browsing
New Kimwolf v7 Android botnet adds HTTP/2 DDoS floods with Chrome fingerprints and takedown-resistant ENS/Tor C2.
Palo Alto Networks Unit 42 discovered Kimwolf v7, an evolution of the Kimwolf/AISURU Android and IoT botnet first tracked in February 2026. The new version performs HTTP/2 floods mimicking Chrome browser fingerprints and uses Ethereum Name Service, Tor hidden services, and a local proxy for resilient C2. The botnet targets Android TV boxes via ADB on port 5555 and offloads propagation to an external loader.
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