Türkiye Hackers Exploited Output Messenger Zero-Day To Drop Golang Backdoors On Kurdish Servers - Cybernoz - Cybersecurity News

Attackers Leverage Unpatched Output Messenger 0‑Day to Deliver Malicious Payloads

A Türkiye-affiliated espionage threat actor, tracked by Microsoft Threat Intelligence as Marbled Dust (also known as Sea Turtle and UNC1326), has been exploiting a zero-day vulnerability in Output Messenger, a popular multiplatform chat software. Identified as CVE-2025-27920, this directory traversal flaw in the Output Messenger Server Manager application allows authenticated attackers to upload malicious files […] The post Attackers Leverage Un…

Türkiye Hackers Exploited Output Messenger Zero-Day To Drop Golang Backdoors On Kurdish Servers - Cybernoz - Cybersecurity News

May 13, 2025Ravie LakshmananZero-Day / Vulnerability A Türkiye-affiliated threat actor exploited a zero-day security flaw in an Indian enterprise communication platform called Output Messenger as part of a cyber espionage attack campaign since April 2024. “These exploits have resulted in a collection of related user data from targets in Iraq,” the Microsoft Threat Intelligence team said. “The targets of the attack are associated with the Kurd…

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