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Writeup: Username enumeration via account lock

Lab link. Certain suspicious accounts can be locked by the system. In this lab, our goal is to find the username first and then the password. We don’t get any time block when we make a few wrong attempts. We move our request to the intruder. To get an account lockout error, we need to …

Writeup: Broken brute-force protection, IP block

Lab link. We need to find the password for the user carlos. We know there is a logic flaw, so let’s make a few false entries and try to understand the system. After 3 login attempts, the system displays “You have made too many incorrect login attempts. Please try again in 1 minute(s).” error. We …

Writeup: Username enumeration via response timing

Lab link. Lab gave us the information “This lab is vulnerable to username enumeration using its response times.” At first, we log in with the wiener:peter credentials given to us on the login page We have successfully logged in and now we will log out and try to log in again, but this time with …