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Creating Covert Channel Using SIP

  • Conference paper
Multimedia Communications, Services and Security (MCSS 2014)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 429))

Abstract

Sending VoIP (Voice Over IP) by default requires two protocols:SIP and RTP. First one is used for establishing and changing the settings of the session and second one for exchanging voice packets. The main aim of this paper is to calculate the maximum number and type of SIP messages that can be transferred during established VoIP call without detection and raising an alarm from IDS (Intrusion detection system). Finally, we calculated Steganography bandwidth, amount of data in these messages that can be used for transfer of hidden content. Also, this paper deals with Snort IDS settings for raising alarm, traditional ones by using hard-coded rules and usage of anomaly detection plugin. Results of experiment are provided.

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Mehić, M., Mikulec, M., Voznak, M., Kapicak, L. (2014). Creating Covert Channel Using SIP. In: Dziech, A., Czyżewski, A. (eds) Multimedia Communications, Services and Security. MCSS 2014. Communications in Computer and Information Science, vol 429. Springer, Cham. https://doi.org/10.1007/978-3-319-07569-3_15

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  • DOI: https://doi.org/10.1007/978-3-319-07569-3_15

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-07568-6

  • Online ISBN: 978-3-319-07569-3

  • eBook Packages: Computer ScienceComputer Science (R0)

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