Clop-Linked Web Shell Targets PTC Windchill Servers in Data Theft Attacks

A custom Java web shell, associated with the Clop ransomware group, was created to target the PTC Windchill and FlexPLM servers by decrypting their credentials, enumerating file repositories, and stealing data. Researchers at cybersecurity firm ReliaQuest discovered the web shell after analyzing the recent data-theft campaign that abused the critical remote code execution vulnerability,…