Webshell on Security Architects https://securityarchitects.com/tags/webshell/ Recent content in Webshell on Security Architects Hugo en-us Thu, 27 Aug 2026 10:00:00 -0700 The symptom was database crashes. The cause was a webshell. https://securityarchitects.com/post/fileless-in-dev-shm/ Thu, 27 Aug 2026 10:00:00 -0700 https://securityarchitects.com/post/fileless-in-dev-shm/ <p>A production Zimbra mail server we operate started crashing its database. That is the kind of symptom that leads a tired administrator to restart the database, watch it stay up for a while, and move on.</p>