
Jake | JCyberSec_
9.4K posts

Jake | JCyberSec_
@JCyberSec_
Expert in Credential Phishing and Phishing Kit Research. Working in Cyber Security - Threat Intelligence #Phishing


New TI report 📷 Chenlun (“Outsider”) is a feature-rich phishing kit using modern web frameworks, verification flows, and anti-bot techniques. A step up in sophistication across Chinese Phishing-as-a-Service ecosystems. Full analysis + detections 📷 urlscan.io/pricing/urlsca…

New TI report on urlscan Pro 📷 Flyfish is a lightweight phishing kit built around simple but effective API endpoints. Despite its simplicity, it’s actively used for large-scale victim interaction and data capture. Detection patterns included 📷 urlscan.io/pricing/urlsca…


New report: Darcula (“Magic Cat”) is one of the most active phishing frameworks we’re tracking. From API-driven infra to socket-based comms and fake shop deployments, this kit continues to evolve rapidly. Breakdown, detections: urlscan.io/blog/2026/05/1… Full report on urlscan Pro

New urlscan report 🚨 We’re kicking off our Chinese phishing series with a deep dive into the Sailor framework. A modular kit leveraging client-side storage for session tracking and victim management at scale. Detection included 👇 urlscan.io/blog/2026/05/0…



New research drop 🚨 We're diving deep into Chinese-language phishing-as-a-service ecosystems powering large-scale global campaigns. From infrastructure to operations, this series uncovers how these platforms scale and evade detection. Starting May 4th: urlscan.io/blog/2026/04/2…






New urlscan Pro Threat Intel Report: We uncovered 7 distinct phishing kit clusters hiding behind Calendly-themed lures. Same brand, very different tooling & infrastructure. The report includes hunting queries & technical fingerprints for defenders.



🚨 Launching: The OSINT Tools Library A curated, investigator-first directory of tools used in real cases. → Tools.OSINTNewsletter.com We’re building the largest and best maintained OSINT tools resource and need your help. Reply and tag a tool we should add 👇

TAs are weaponising client-side proxy frameworks like Ultraviolet & Scramjet to deliver stealthy phishing campaigns that evade traditional detection. Our latest urlscan Pro report covers techniques, artifacts, and detection strategies for this new threat: urlscan.io/pricing/urlsca…



Proofpoint has directly observed this email activity and attributes the messages to Russian FSB threat actor TA446 with high confidence. We have not previously observed TA446 target users’ iCloud accounts or Apple devices, but the adoption of the leaked DarkSword iOS exploit kit has now enabled the actor to target iOS devices. TA446 does not overlap with UNC6353. Further details below in🧵.



