[China Chopper](https://attack.mitre.org/software/S0020) is a [Web Shell](https://attack.mitre.org/techniques/T1505/003) hosted on Web servers to provide access back into an enterprise network that does not rely on an infected system calling back to a remote command and control server.(Citation: Lee 2013) It has been used by several threat groups.(Citation: Dell TG-3390)(Citation: FireEye Periscope March 2018)(Citation: CISA AA21-200A APT40 July 2021)(Citation: Rapid7 HAFNIUM Mar 2021)