U.S. Justice Department Announces Arrest of Prolific Chinese State-Sponsored Contract Hacker

China’s Ministry of State Security Directed the Theft of COVID-19 Research and the Exploitation of Microsoft Exchange Server Vulnerabilities, Known Publicly as the Indiscriminate ‘HAFNIUM’ Intrusion Campaign The Justice Department announced today that Xu Zewei (徐泽伟), 33, of the People’s Read More …

Squirrelwaffle, Microsoft Exchange Server vulnerabilities exploited for financial fraud

The combination of Squirrelwaffle, ProxyLogon, and ProxyShell against Microsoft Exchange Servers is being used to conduct financial fraud through email hijacking. On Tuesday, researchers from Sophos revealed a recent incident in which a Microsoft Exchange Server, which had not been Read More …

Hafnium’s China Chopper: a ‘slick’ and tiny web shell for creating server backdoors

Researchers have provided insight into China Chopper, a web shell used by the state-sponsored Hafnium hacking group. Hafnium is a group of cyberattackers originating from China. The collective recently came into the spotlight due to Microsoft linking them to recent Read More …