Palo Alto Networks

Palo Alto Networks Advanced WildFire

About the product

Palo Alto Networks Advanced WildFire (AWF) is an advanced malware analysis and prevention solution that combines sandboxing, machine learning, and global real-time analysis to protect against known and unknown threats. Its architecture is based on a hybrid model that combines Palo Alto Networks’ Next Generation Firewall with an extensive cloud-based analytics platform. WildFire is available as a Cloud-Delivered Security Service integrated and available as an additional NGFW feature or as a physical appliance dedicated to environments without Internet access.

Wildfire uses a virtual sandbox environment for dynamic and static analysis of files and data streams, emulating over 130 system behaviors to detect evasion techniques. The analysis includes monitoring changes in the host system (e.g., registry modifications, persistence mechanisms), network traffic (including SSL/TLS-encrypted traffic), and anti-analysis techniques such as debugger detection.

The dynamic analysis includes a custom-built, enhanced hypervisor that enables covert observation of malicious code behavior, checking whether it is running in a sandbox environment to avoid detection. In addition, Advanced WildFire uses automated unpacking to fully expose the contents of packed or encrypted files, and introduces dependency emulation, which allows the analysis environment to simulate all necessary resources and libraries, enabling full execution and observation of malicious code.

A key innovation of AWF is intelligent real-time memory analysis that performs memory dumps at critical moments of malware activity, allowing the detection of hidden, advanced attack techniques.

WildFire uses machine learning and deep learning models to analyze large, structured and unstructured data sets, enabling the detection of new, previously unknown malware variants, including those generated by AI. The machine learning engine integrated with NGFW allows threats to be blocked inline, without the need to send files to a sandbox environment. ML models are continuously updated by the WildFire cloud, enabling the detection of scripted attacks (e.g., PowerShell) and advanced exploits. The system uses recursive analysis to unpack nested archives and extract embedded payloads.

Wildfire generates signatures based on content (content-based signatures), allowing to detect milions of polimorphic variants of threats using single signature

Advanced WildFire works based on cloud infrastructure, which enable analysis of milions unique files each day from diffrent sources providing quick reaction and delivering signatures during seconds from detecting threats.

 

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