Custom signature needed to detect "invalid username" response to a brute force login attempt (is it possible?)
Hi,I'm new to Palo Alto and custom threat signatures. I'm trying to detect invalid login attempts to a web site and apply a time rate. When the user enters an invalid username in the login, the site returns the text "invalid username". Which context would I use to search for this pattern match? I read the "Creating Custom Signatures" document, b...




