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Hackers Targeting VoIP Servers By Exploiting Digium Phone Software

VoIP phones using Digium’s software have been targeted to drop a web shell on their servers as part of an attack campaign designed to exfiltrate data by downloading and executing additional payloads.
“The malware installs multilayer obfuscated PHP backdoors to the web server’s file system, downloads new payloads for execution, and schedules recurring tasks to re-infect the host system,” Palo

Source:: The Hackers News