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Icmp

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medium advisory

Detect Large ICMP Traffic

This analytic identifies ICMP traffic to external IP addresses with total bytes greater than 1,000 bytes, leveraging the Network_Traffic data model to detect potential information smuggling, covert communication, or command-and-control (C2) activities.

Palo Alto Network Traffic +4 network command-and-control icmp
2r 1t
medium advisory

CVE-2026-23398 ICMP NULL Pointer Dereference

CVE-2026-23398 is a vulnerability related to a NULL pointer dereference in the ICMP protocol, potentially leading to a denial-of-service condition in affected Microsoft products.

icmp denial-of-service vulnerability cve
2r 1t 1c