RedLine Stealer is one of the most prolific infostealer families in the cybercrime ecosystem. Sold as malware-as-a-service on underground forums, it targets Chromium and Firefox-based browsers, extracting saved credentials, cookies, autofill data, and cryptocurrency wallet files. Its low cost and simple deployment model made it a gateway tool for entry-level criminals and organized groups alike.
RedLine infections frequently appear in stealer log marketplaces and initial access broker listings. Security teams monitoring for RedLine-derived credentials can often detect employee exposures months before a formal breach notification. Hudson Rock tracks RedLine and dozens of other stealer families across global infection datasets.
Explore broader infostealer trends in 2026 infostealer trends we are monitoring and real-world attack chains in how hackers use infostealers.