On Mon, Feb 4, 2019 at 5:38 PM Daniel-Constantin Mierla <[email protected]> wrote:
> > And I would say it a little bit scary on the other hand, so now it easy to > attach at runtime to a process and loop execution of some functions through > own code just by knowing the name and signature... > > yep. Kind of mind blowing... In past, you needed to make a wrapper for the lib, then substitute the wrapper to the actual lib... OTOH, if you are root... Btw, I don't want to be the owl of bad luck, but... Maybe these techniques will bring mayhem to GDPR compliance, and so on and so on... (scared face) -giovanni > Cheers, > Daniel > > February 4, 2019 4:01 PM, "Giovanni Maruzzelli" <[email protected] > <%22giovanni%20maruzzelli%22%20%[email protected]%3E>> wrote: > > # How to TRACE and visualize TLS and non-TLS SIP traffic in real time (thanks > to Homer's Lorenzo Mangani for pointing me toward Frida) apt-get install > python-pip pip install frida pip install hexdump wget > https://raw.githubusercontent.com/google/ssl_logger/master/ssl_logger.py > #first ssh terminal # create fifo pipe, then will send the content from fifo > pipe to an sngrep without gui, which will be reading pcap from stdin, and > sending eep packets to the other sngrep (third terminal) mkfifo /tmp/pipe cat > /tmp/pipe | sngrep -N -q -H udp:127.0.0.1:5077 -I - #second ssh terminal # > writes as pcap to fifo pipe what freeswitch writes and reads from ssl lib > python ssl_logger_giova.py -pcap /tmp/pipe freeswitch #third ssh terminal # > sngrep that receives packets from both the Ethernet device, and the eep > packets sent by the other sngrep (eg, the tls packets ssl_logger grabs from > freeswitch's ssl lib) sngrep -L udp:127.0.0.1:5077 (you may want to edit > ssl_logger.py and change 228 to be 101 - LINKTYPE_IPV4 to be LINKTYPE_RAW ) > > > > -- > Sincerely, > > Giovanni Maruzzelli > OpenTelecom.IT > cell: +39 347 266 56 18 > > > > -- > Daniel-Constantin Mierla > www.kamailio.org -- www.asipto.com > -- Sincerely, Giovanni Maruzzelli OpenTelecom.IT cell: +39 347 266 56 18
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