fromSecuritymagazine
1 week agoRussian Threat Group Targets Microsoft Outlook With Malware
"APT28 is abusing Outlook as a covert channel through a VBA macro backdoor named NotDoor," Jason Soroko, Senior Fellow at Sectigo, explains. "Delivery uses DLL sideloading of a malicious SSPICLI.dll by the signed OneDrive.exe to disable macro protections and stage commands. The macro watches inbound mail for a trigger word and can exfiltrate data upload files and run commands. This blends with trusted binaries and normal mail flow and can slip past perimeter tools and basic detections."
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