echo "0xHat Security"

CAUTION     "This tutorial should be used for educational purpose only. I won't be responsible if you misuse this techniques and get yourself in trouble.The pcap file used in this example is from a CTF challenge " Protocol - Simple Mail Transfer Protocol - Used for sending emails Connection Type - TCP Commonly Used Commands : HELO , MAIL , RCPT ,  So the challenge scenario is something like this .  Find the senders email address and the recipients email address of the SMTP transfer out of the pcap file . So to solve this challenge I will use Wireshark. First I load the pcap file in Wireshark. Now my objective is to find out the senders and receivers emails. So in the filter bar I will write "smtp" so that it displays the packets matching the SMTP protocol only. In SMTP we need to authenticate before we can send any mail . After applying the filter we can see the details of the SMTP . We can find the info by looking at the output or