DEF CON Safe Mode — Ismail Melih Tas, Kubilay Ahmet Kucuk — Practical VoIPUC Hacking Using Mr SIP

Дата: 05.08.2020. Автор: CISOCLUB. Категории: Подкасты и видео по информационной безопасности

In this talk, we will introduce the most comprehensive offensive VoIP security tool ever developed, Mr.SIP (comprehensive version). We will make a live attack demonstration using Mr.SIP in our security laboratory. Furthermore, we will also introduce novel SIP-based attacks using the vulnerabilities we found in the SIP retransmission mechanism and reflection logic.

Mr.SIP is developed to assist security experts and system administrators who want to perform security tests for VoIP systems and to measure and evaluate security risks. It quickly discovers all VoIP components and services in a network topology along with the vendor, brand, and version information, detects current vulnerabilities, configuration errors. It provides an environment to assist in performing advanced attacks to simulate abuse of detected vulnerabilities. It detects SIP components and existing users on the network, intervenes, filters and manipulates call information, develops DoS attacks, breaks user passwords, and can test the server system by sending irregular messages.

Status-controlled call flow and ability to bypass anomaly systems stand out as Mr.SIP’s unique aspects. It also has strengths and competencies in terms of advanced fake IP address generation, fuzzing, password cracker, interactive inter-module attack kit, and MiTM features.

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