mirror of
https://github.com/adulau/ssldump.git
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89 lines
3.6 KiB
Markdown
89 lines
3.6 KiB
Markdown
# ssldump - (de-facto repository gathering patches around the cyberspace)
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# Release and tagging
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- Current version of ssldump is v1.4 (released: 2021-04-12) - [ChangeLog](https://raw.githubusercontent.com/adulau/ssldump/master/ChangeLog)
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- Previous version of ssldump is v1.3 (released: 2021-02-02) - [ChangeLog](https://raw.githubusercontent.com/adulau/ssldump/master/ChangeLog)
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# What about the original ssldump?
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This repository is composed of the original SSLDUMP 0.9b3 + a myriad of patches (from Debian and other distributions) + contributions via PR
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ssldump is an SSLv3/TLS network protocol analyzer. It identifies TCP
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connections on the chosen network interface and attempts to interpret
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them as SSLv3/TLS traffic. When it identifies SSLv3/TLS traffic, it
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decodes the records and displays them in a textual form to stdout. If
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provided with the appropriate keying material, it will also decrypt
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the connections and display the application data traffic. It also
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includes a JSON output option, supports [JA3](https://github.com/salesforce/ja3) and IPv6.
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# How to do I run ssldump?
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`./ssldump -j -ANH -n -i any | jq` will run ssldump on all interfaces and output the result in JSON format including ja3 hashes.
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For more details, check the man page.
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# Why do you maintain this repository?
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Because it's a mess. The software maintenance process for old free (unmaintained) software
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like ssldump is a complete chaotic process. I do this to ease my pain and this could help
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other too (but this is just a collateral damage).
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# Where ssldump is used?
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- I used it for a relatively small project called Passive SSL. For more information, [Passive SSL Passive Detection and Reconnaissance Techniques, to Find, Track, and Attribute Vulnerable ”Devices”](https://www.first.org/resources/papers/conf2015/first_2015_-_leverett_-_dulaunoy_-_passive_detection_20150604.pdf). Additional back-end code available is in the [crl-monitor ](https://github.com/adulau/crl-monitor/tree/master/bin/x509) repository.
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- ssldump is used in the [D4-Project](https://github.com/D4-project/).
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# Build instructions
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On Debian & Ubuntu:
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```
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apt install build-essential autoconf libssl-dev libpcap-dev libnet1-dev libjson-c-dev
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./autogen.sh
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./configure --prefix=/usr/local
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make
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(optional) make install
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```
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On Fedora, Centos & RHEL:
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```
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dnf install autoconf automake gcc make openssl-devel libpcap-devel libnet-devel json-c-devel
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./autogen.sh
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./configure --prefix=/usr/local
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make
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(optional) make install
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```
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Optional configuration features (aka ./configure options):
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```
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--disable-optimization disable compiler optimizations (change from -O2 to -O0)
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--enable-debug enable debug info (add "-g -DDEBUG" to CFLAGS)
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--enable-asan enable AddressSanitizer and other checks
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add "-fsanitize=address,undefined,leak -Wformat -Werror=format-security
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-Werror=array-bounds" to CFLAGS
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use libasan with GCC and embedded ASAN with Clang
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```
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Configuration examples:
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```
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- Use GCC with libasan, debug info and custom CFLAGS:
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./configure CC=/usr/bin/gcc --enable-asan --enable-debug CFLAGS="-Wall"
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- Use Clang with ASAN and no optimizations (-O0)
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./configure CC=/usr/bin/clang --enable-asan --disable-optimization
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```
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# Notes
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The "save to pcap" (-w) option by @ryabkov, is heavily based on the work of
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@droe on https://github.com/droe/sslsplit .
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# Contributing
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The contributing policy is simple. If you have a patch to propose, make a pull-request
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via the interface. If the patch works for me, it's merged.
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