[SONICWALL] Successful Administrator Login From External IP Address

alert any $HOME_NET any -> $EXTERNAL_NET any (msg:"[SONICWALL] Successful Administrator Login From External IP Address"; content: "Administrator login allowed"; normalize; pcre:"/src=(\d+)(?<!10)\.(\d+)(?<!192\.168)(?<!172\.(1[6-9]
| 2\d
| 3[0-1]))\.(\d+)\.(\d+)/"; classtype: system-event; parse_src_ip: 1; parse_dst_ip: 2; reference: url,www.sonicwall.com/downloads/SonicOS_Log_Event_Reference_Guide.pdf; sid:5002621; rev:6;)