A new research has demonstrated a technique that allow an attacker to bypass firewall protection and remotely access any TCP/UDP service on victim machine.
The attack Kill-Chain. Palo Alto Networks Firewall Deployment decryption to avoid inspection bypass for encrypted content and applications For internal clients not behind a NAT device, a source-ip classification profile may be a good
We produced the following IPS signatures to cover this threat:
NAT Slipstreaming Detection (59667)
NAT Slipstreaming Detection (59668)
NAT Slipstreaming Detection (59669)
NAT Slipstreaming Detection (59671)
NAT Slipstreaming Detection (59672)
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