Meterpreter Distributed to Vulnerable Server of Korean Medical Institution
While monitoring malware strains distributed to vulnerable servers, the ASEC analysis team discovered an attack case for PACS (Picture Archiving and Communication System) server used by Korean medical institutions. PACS is a system for digitally managing and transferring medical images of patients, which is used to check and interpret the
PHP WebShell Malware using Image Files
WebShell is a file that is uploaded to a web server which runs file navigation or system shell commands. The attacker can use the web browser to navigate through the files of the server system and issue shell commands. Certain file extensions for uploaded files can be restricted to prevent
