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Pentest
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NetworkAttackEnumeration
Last edited time
Jun 25, 2024 11:33 AM
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Draft
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👉 Overview
👀 What ?
Proxy/WAF protections bypass refers to the techniques used by cybersecurity experts and malicious actors to circumvent the security measures imposed by proxy servers and Web Application Firewalls (WAFs). Proxy servers act as intermediaries for requests from clients seeking resources from other servers, while WAFs protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet.
🧐 Why ?
The topic is important as understanding how Proxy/WAF protections can be bypassed enables organizations to better secure their applications and networks against cyber threats. Furthermore, cybersecurity professionals tasked with penetration testing and vulnerability assessments need to know how to bypass these protections to effectively evaluate an organization's security posture.
⛏️ How ?
Bypassing Proxy/WAF protections involves a variety of techniques. These may include IP spoofing, where an attacker forges the IP packet header so it contains a different source IP address; using encrypted or obfuscated payloads to evade detection; exploiting vulnerabilities in the proxy/WAF software itself; or using other techniques like SQL injection or Cross-Site Scripting (XSS) to slip past the firewall. It's crucial to follow ethical guidelines when attempting to bypass these protections.
⏳ When ?
The practice of bypassing proxy/WAF protections has been in existence as long as these security measures themselves. As cybersecurity threats evolve, so do the methods to bypass these protections. It's a constant game of cat and mouse between security professionals and malicious actors.
⚙️ Technical Explanations
Bypassing Proxy/WAF protections involves deep understanding of networking protocols, web application structures, and the specific security mechanisms implemented by the proxy/WAF in question. For instance, IP spoofing requires knowledge of the Internet Protocol and how IP addresses are structured and validated. Similarly, using encrypted or obfuscated payloads to evade detection involves an understanding of cryptography, encoding techniques, and how firewalls inspect packets. Exploiting vulnerabilities in the proxy/WAF software itself may require familiarity with the specific software, including its known weaknesses and the details of its implementation and configuration.