Microsoft Warns of FoggyWeb Malware Targeting Active Directory FS Servers

Microsoft on Monday revealed new malware deployed by the hacking group behind the SolarWinds supply chain attack last December to deliver additional payloads and steal sensitive information from Active Directory Federation Services (AD FS) servers.
The tech giant’s Threat Intelligence Center (MSTIC) codenamed the “passive and highly targeted backdoor” FoggyWeb, making it the threat actor tracked