day3_Worldwide_attacks_on_SS7_network_P1security_Hackito_2014
day3_Worldwide_attacks_on_SS7_network_P1security_Hackito_2014
day3_Worldwide_attacks_on_SS7_network_P1security_Hackito_2014
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<strong>SS7</strong> / SIGTRAN Stack<br />
Addressing schemes<br />
In Telecom <strong>network</strong>s a multitude of addressing schemes are used to<br />
identify Network Elements, subscribers, applicati<strong>on</strong>s<br />
Internati<strong>on</strong>al Mobile<br />
Subscriber Identity (IMSI)<br />
SIM card number<br />
Internati<strong>on</strong>al Mobile<br />
Equipment Identity (IMEI)<br />
Device serial number<br />
Mobile Subscriber ISDN<br />
Number (MSISDN)<br />
Ph<strong>on</strong>e number<br />
STP<br />
SubSystem Number (SSN)<br />
Identifies applicati<strong>on</strong> or service <strong>on</strong><br />
Network Elements.<br />
Equivalent to TCP port.<br />
Global Title (GT)<br />
Length up to 15 digits.<br />
Looks like a ph<strong>on</strong>e number.<br />
Equivalent to IP address.<br />
Point Code (PC)<br />
14 or 24 bits address.<br />
Equivalent to MAC address.<br />
NE<br />
NE<br />
<strong>SS7</strong> Routing criteria:<br />
PC / GT / SSN or combo<br />
P1 Security – <strong>Hackito</strong> Ergo Sum <strong>2014</strong><br />
© <strong>2014</strong> - P1 Security, All Rights Reserved
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