Fog ransomware attack uses unusual mix of legitimate and open-source tools
Fog ransomware hackers are using an uncommon toolset, which includes open-source pentesting utilities and a legitimate employee monitoring software called Syteca. The Fog ransomware operation was first observed last year in May leveraging compromised VPN credentials to access victims’ networks. Post-compromise, they used “pass-the-hash” attacks to gain admin privileges, disabled Windows Defender, and encrypted all files, including virtual machine storage. Later, the threat group was observed