Threat actors are leveraging top tier cloud apps to host phishing baits. Netskope Threat Labs has identified an ongoing O365 phishing campaign hosted in Google App Engine with the credential harvester mostly hosted in Azure App Service. This phishing campaign typically targets O365 users via phishing emails with a direct link or attachment.

GuLoader is a sophisticated malware downloader that stores its payloads in Google Drive and Microsoft OneDrive. In addition to using popular cloud apps to evade network-based detection, it uses anti-VM techniques to evade sandbox analysis. Since it was first discovered in December 2019, GuLoader has become one of the top malware delivery mechanisms observed in the wild. It is used by multiple threat actors to deliver a variety of threats, most commonly remote access Trojans (RATs).

Netskope, CrowdStrike, Okta, and Proofpoint are joining together to help better safeguard organizations by delivering an integrated, Zero Trust security strategy that is designed to protect today’s dynamic and remote working environments at scale.