# spam

**BotmasterLabs: Powering an Era of Spam**

Published  March 23, 2026

**Authors:** [Antoine Vastel](/content/research/author/antoine-vastel/index.html), [Nicolas Sama](/content/research/author/nicolas-sama/index.html), [Naif Mehanna](/content/research/author/naif-mehanna/index.html), [Kurt Nistelberger](/content/research/author/kurt-nistelberger/index.html)

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

bot management · fingerprinting · spam  
2026