
WormGPT 4: AI-Powered Cybercrime Tools on the Rise
Cybercriminals no longer need to convince ChatGPT or Claude Code to write malware or data-stealing scripts. A whole class of specialized language models, specifically designed for attacks, already exists. One such system is WormGPT 4, which advertises itself as “the key to borderless artificial intelligence .” It carries on the legacy of the original WormGPT model, which emerged in 2023 and subsequently disappeared due to the rise of other ” toxic ” LLMs, as highlighted in the Abnormal Security study . According to experts at Unit 42 at Palo Alto Networks, sales of WormGPT 4 began around September 27, with advertisements appearing










