ssl_logger: Decrypts and logs a process’s SSL traffic
by do son ·
ssl_logger
Decrypts and logs a process’s SSL traffic.
The functionality offered by ssl_logger is intended to mimic Echo Mirage‘s SSL logging functionality on Linux and macOS.
Install
git clone https://github.com/google/ssl_logger.git
sudo pip install frida
python ssl_logger.py [-pcap <path>] [-verbose] <process name | process id>
Arguments:
-pcap <path> Name of PCAP file to write
-verbose Show verbose output
<process name | process id> Process whose SSL calls to log
Examples:
ssl_logger.py -pcap ssl.pcap openssl
ssl_logger.py -verbose 31337
ssl_logger.py -pcap log.pcap -verbose wget
Full Example
geffner@ubuntu:~$ # Make a local pipe for input to our openssl client
geffner@ubuntu:~$ mkfifo pipe
geffner@ubuntu:~$ # Create our openssl client, which will receive input from our pipe
geffner@ubuntu:~$ openssl s_client -ign_eof -connect example.org:443 > /dev/null 2> /dev/null < pipe &
[1] 98954
geffner@ubuntu:~$ # Begin writing the request to our pipe
geffner@ubuntu:~$ printf "GET / HTTP/1.0\nHost:example.org\n" > pipe
geffner@ubuntu:~$ # Begin logging the SSL traffic for our openssl client process
geffner@ubuntu:~$ python ssl_logger.py -verbose 98954 &
[2] 98962
Press Ctrl+C to stop logging.
geffner@ubuntu:~$ # Write the final line-feed to our pipe to complete the HTTP request
geffner@ubuntu:~$ printf "\n" > pipe
SSL Session: 1820201001719DF42ECCA1D289C3D32E0AA0454B50E8AF00E8A65B0108F209A8
[SSL_write] 100.97.20.44:45836 --> 93.184.216.34:443
00000000: 0A .
SSL Session: 1820201001719DF42ECCA1D289C3D32E0AA0454B50E8AF00E8A65B0108F209A8
[SSL_read] 93.184.216.34:443 --> 100.97.20.44:45836
00000000: 48 54 54 50 2F 31 2E 30 20 32 30 30 20 4F 4B 0D HTTP/1.0 200 OK.
00000010: 0A 41 63 63 65 70 74 2D 52 61 6E 67 65 73 3A 20 .Accept-Ranges:
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00000030: 74 72 6F 6C 3A 20 6D 61 78 2D 61 67 65 3D 36 30 trol: max-age=60
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00000050: 70 65 3A 20 74 65 78 74 2F 68 74 6D 6C 0D 0A 44 pe: text/html..D
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000000A0: 54 68 75 2C 20 32 39 20 4A 75 6E 20 32 30 31 37 Thu, 29 Jun 2017
000000B0: 20 31 35 3A 31 36 3A 35 32 20 47 4D 54 0D 0A 4C 15:16:52 GMT..L
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000000F0: 76 65 72 3A 20 45 43 53 20 28 72 68 76 2F 38 31 ver: ECS (rhv/81
00000100: 38 46 29 0D 0A 56 61 72 79 3A 20 41 63 63 65 70 8F)..Vary: Accep
00000110: 74 2D 45 6E 63 6F 64 69 6E 67 0D 0A 58 2D 43 61 t-Encoding..X-Ca
00000120: 63 68 65 3A 20 48 49 54 0D 0A 43 6F 6E 74 65 6E che: HIT..Conten
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00000140: 43 6F 6E 6E 65 63 74 69 6F 6E 3A 20 63 6C 6F 73 Connection: clos
00000150: 65 0D 0A 0D 0A e....
SSL Session: 1820201001719DF42ECCA1D289C3D32E0AA0454B50E8AF00E8A65B0108F209A8
[SSL_read] 93.184.216.34:443 --> 100.97.20.44:45836
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000003C0: 3C 68 31 3E 45 78 61 6D 70 6C 65 20 44 6F 6D 61 <h1>Example Doma
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SSL Session: 1820201001719DF42ECCA1D289C3D32E0AA0454B50E8AF00E8A65B0108F209A8
[SSL_read] 93.184.216.34:443 --> 100.97.20.44:45836
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Source: https://github.com/google/
