New TCESB Malware Found in Active Attacks Exploiting ESET Security Scanner

A Chinese-affiliated threat actor known for its cyber-attacks in Asia has been observed exploiting a security flaw in security software from ESET to deliver a previously undocumented malware codenamed TCESB. “Previously unseen in ToddyCat attacks, [TCESB] is designed to stealthily execute payloads in circumvention of protection and monitoring tools installed on the device,” Kaspersky said in an