Researchers Uncover Ways to Decrypt Palo Alto Cortex XDR BIOC Rules for Evasion

Cybersecurity researchers have discovered a critical evasion technique in Palo Alto Networks’ Cortex XDR agent that allowed attackers to completely bypass behavioral detections. The research demonstrates how predefined Behavioral Indicators of Compromise (BIOC) rules, shipped encrypted by Palo Alto, could be decrypted and analyzed. By reverse-engineering these rules, analysts identified hardcoded global whitelists that provided […]

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