ilty: I'm listening to you

We present the architecture of a Cisco VoIP networks: its architecture, the protocols involved and the different devices. At that time, no documentation was available and the SCCP protocol had to been reverse-engineeredd in order to implement a call interception system, named ilty.

The last part of the report talks about the hardening measure available and their limits.

• Slides (PDF, in French)
• Published paper (PDF, in French)

@inproceedings{Bareil:sstic2005,
        Author    = {Nicolas Bareil},
        Booktitle = {{Symposium sur la {S}\'ecurit\'e des {T}echnologies de l'{I}nformation et des {C}ommunications 2005}},
        Pages     = {121--132},
        Publisher = {{{\'E}cole {S}up{\'e}rieure et d'{A}pplication des {T}ransmissions}},
        Title     = {{Le projet ilty : I'm listening to you !}},
        Url       = {http://actes.sstic.org/},
        Year      = {2005}
}