Hello Ransomware Uses Updated China Chopper Web Shell, SharePoint Vulnerability

In January, Trend Micro researchers encountered a new ransomware using .hello as its extension in one of our cases that possibly arrived via a SharePoint server vulnerability. This appeared to be a new ransomware family dubbed as the Hello ransomware 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 …

Threat Actors Still Exploiting SharePoint Vulnerability to Attack Middle East Government Organizations

On September 10, 2019, we observed unknown threat actors exploiting a vulnerability in SharePoint described in CVE-2019-0604 to install several webshells on the website of a Middle East government organization. One of these webshells is the open source AntSword webshell freely available on Read More …