alert tcp $EXTERNAL_NET any -> $HOME_NET 111 (msg:"GPL RPC portmap SET attempt TCP 111"; flow:established,to_server; content:"|00 01 86 A0|"; depth:4; offset:16; content:"|00 00 00 01|"; within:4; distance:4; content:"|00 00 00 00|"; depth:4; offset:8; classtype:rpc-portmap-decode; sid:2101949; rev:7; metadata:created_at 2010_09_23, signature_severity Informational, updated_at 2024_03_08;)