SMTP User Enumeration MX Record

11 hours ago 5

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Hello, I’m Hackerhalt, a Red Teamer dedicated to exploring and identifying security vulnerabilities for educational purposes. Please note that this website is not affiliated with any bug bounty programs, whether public or private. As a full-time cybersecurity trainer and YouTube content creator, I aim to enhance security awareness and practices through my findings. Thank you for visiting!

example.com is a website due to some reason i am not showing a Real Domains. :)

╭─hackerhalt@CTF in ~ via  v3.12.7 took 0s
╰─λ dig +short Example.com MX

10 smtw2.xxxxxx.com.
20 smtw1.xxxxxxx.com.
50 smtpw.xxxxxxxxxx.com.
60 smtw.xxxxxxxxxxx.com.
70 smtpqr1.xxxxxxxxxxxxxxxxx.com.

Here we Have a Five MX Record of a example.com Company here Two MX Record Are vulnerable to SMTP User-Enum

nmap -p25 --script smtp-enum-users.nse smtw2.xxxxxx.com -Pn

Here We get The Valid Username of a SMPT Server User. This Username List we use a Usename.txt for Password Cracking using Hydra , Medusa , CrackMapExec or Any Bruteforce Attack.

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