Kaspersky details Project CAV3RN, an OilRig-linked cyberespionage framework. Its new module hides C2 in Outlook calendar events, with DNS AAAA fallback. #ProjectCAV3RN #OilRig #APT34 #Cyberespionage #Kaspersky #MicrosoftGraph #DNS https://securityonline.info/project-cav3rn-outlook-calendar-c2/?utm_source=mastodon&utm_medium=jetpack_social