Linux Remote System Discovery via ARP and Ping
Detects the use of 'arp -a' or 'ping' commands targeting common private and loopback IP address ranges on Linux systems, which can indicate an adversary performing remote system discovery.
Sigma

Detects the use of 'arp -a' or 'ping' commands targeting common private and loopback IP address ranges on Linux systems, which can indicate an adversary performing remote system discovery.

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