alert udp $EXTERNAL_NET any -> $HOME_NET 111 (
msg:"GPL RPC portmap bootparam request UDP";
content:"|00 01 86 A0|"; depth:4; offset:12;
content:"|00 00 00 03|"; within:4; distance:4;
byte_jump:4,4,relative,align;
byte_jump:4,4,relative,align;
content:"|00 01 86 BA|"; within:4;
content:"|00 00 00 00|"; depth:4; offset:4;
reference:arachnids,16;
reference:cve,1999-0647;
classtype:rpc-portmap-decode;
sid:2100577; rev:14;
metadata:created_at 2010_09_23, cve CVE_1999_0647, signature_severity Informational, updated_at 2019_07_26;
)