Kurt Nistelberger

BotmasterLabs: Powering an Era of Spam
bot management · fingerprinting · spam
2026](/content/research/botmasterlabs-powering-an-era-of-spam/index.html)

Published March 23, 2026

BotmasterLabs: Powering an Era of Spam

Antoine Vastel, Nicolas Sama, Naif Mehanna, Kurt Nistelberger

bot management fingerprinting spam

How XRumer and XEvil scaled forum spam by combining automation, CAPTCHA solving, and brittle fingerprinting.