HollowGraph Malware Hides C2 and Stolen Files in Microsoft 365 Events Dated 2050

A newly discovered espionage implant has been using a hijacked Microsoft 365 calendar as its command channel, planting operator instructions and smuggling out stolen files as attachments on calendar events dated to the year 2050.

Group-IB, which named the malware HollowGraph, says the approach moves tasking and stolen data through legitimate Microsoft Graph API traffic, so the activity looks

Source: The Hacker News

Leave a Reply

Your email address will not be published. Required fields are marked *

Explore More

Lazarus Exploits Windows Zero-Day to Gain SYSTEM Access and Deploy Backdoor

Lazarus Exploits Windows Zero-Day to Gain SYSTEM Access and Deploy Backdoor The North Korean threat actor known as Lazarus Group has been attributed to the zero-day exploitation of a newly

Jack Dorsey launches Buzz to combine team chat, AI agents and Git hosting

Jack Dorsey launches Buzz to combine team chat, AI agents and Git hosting Source: Hacker News

Critical ServiceNow AI Platform Flaw Exploited for Unauthenticated Code Execution

Critical ServiceNow AI Platform Flaw Exploited for Unauthenticated Code Execution Threat actors are now exploiting a recently disclosed critical security flaw impacting ServiceNow AI Platform, according to Defused Cyber. In