CLRShell

Trigona Ransomware Attacking MS-SQL Servers

AhnLab Security Emergency response Center (ASEC) has recently discovered the Trigona ransomware being installed on poorly managed MS-SQL servers. Trigona is a relatively recent ransomware that was first discovered in October 2022, and Unit 42 has recently published a report based on the similarity between Trigona and the CryLock ransomware. [1] 1. Poorly Managed MS-SQL Servers Poorly managed MS-SQL servers typically refer to those that are exposed to external connections and have simple account credentials, rendering them vulnerable to brute force…