alert tcp $EXTERNAL_NET any -> $HOME_NET 88 (msg:"GPL RPC kerberos principal name overflow TCP"; flow:to_server,established; content:"j"; depth:1; offset:4; content:"|01 A1|"; asn1:oversize_length 1024,relative_offset -1; reference:url,web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt; classtype:attempted-admin; sid:2102579; rev:4; metadata:created_at 2010_09_23, signature_severity Informational, updated_at 2019_07_26;)