PCDRA: Which Cortex XDR module can prevent load dynamic libraries attack?

Question

An attacker tries to load dynamic libraries on macOS from an unsecure location.

Which Cortex XDR module can prevent this attack?

A. DDL Security
B. Hot Patch Protection
C. Kernel Integrity Monitor (KIM)
D. Dylib Hijacking

Answer

D. Dylib Hijacking

Explanation

The correct answer is D. Dylib Hijacking.

Dylib Hijacking, also known as Dynamic Library Hijacking, is a technique used by attackers to load malicious dynamic libraries on macOS from an unsecure location. This technique takes advantage of the way macOS searches for dynamic libraries to load when an application is executed.

To prevent such attacks, Palo Alto Networks offers the Dylib Hijacking prevention capability as part of their Cortex XDR platform. This capability is designed to detect and block attempts to load dynamic libraries from unauthorized or unsecure locations.

Let’s briefly discuss the other options to provide a comprehensive explanation:

A. DDL Security: This is not the correct answer. DDL Security is not specifically designed to prevent dynamic library loading attacks on macOS. DDL Security is focused on protecting against DLL (Dynamic Link Library) hijacking on Windows systems.

B. Hot Patch Protection: Hot Patch Protection is not directly related to preventing dynamic library loading attacks. It is a security feature that protects against runtime patching or modification of code in memory, often used by advanced attackers to bypass security measures. While Hot Patch Protection is a valuable security feature, it is not directly relevant to the scenario described.

C. Kernel Integrity Monitor (KIM): Kernel Integrity Monitor is also not the correct answer. KIM is a module in Cortex XDR that focuses on monitoring and protecting the integrity of the macOS kernel. It detects and prevents unauthorized modifications to critical kernel components. While KIM plays an essential role in overall macOS security, it does not specifically address the prevention of dynamic library loading attacks.

In conclusion, Dylib Hijacking is the Cortex XDR module that specifically addresses the prevention of attackers loading dynamic libraries from unsecure locations on macOS. By leveraging this module, organizations can enhance their security posture and protect against this specific attack vector.

Reference

• Palo Alto Networks Certified Detection and Remediation Analyst (PCDRA) – Palo Alto Networks
• LIVEcommunity – Registration LIVE for our NEW Certification, PCDRA! – LIVEcommunity – 447726 (paloaltonetworks.com)
• LIVEcommunity – NEW: PCDRA Certification Preparation Workshop – LIVEcommunity – 448022 (paloaltonetworks.com)
• Endpoint Protection Modules • Cortex XDR Prevent Administrator Guide • Reader • Palo Alto Networks documentation portal
• Bypassing Cortex XDR | mr.d0x (mrd0x.com)
• Cortex XDR Agent 7.3 New Features | Palo Alto Networks
• XDR- Extended Detection and Response – Palo Alto Networks
• LIVEcommunity – ‘Hijacked DLL Injection’ alerts – LIVEcommunity – 474454 (paloaltonetworks.com)
• Hijack Execution Flow: Dylib Hijacking, Sub-technique T1574.004 – Enterprise | MITRE ATT&CK®
• Hit by dylib hijack virus… | MacRumors Forums

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