alert tcp [$HOME_NET,$HTTP_SERVERS] any -> $EXTERNAL_NET any (msg:"ET POLICY Non-Anonymous LDAPv3 Bind Request Outbound"; flow:established,to_server; flowbits:set,ET.LDAPBindRequest; flowbits:isnotset,ET.LDAPBindRequest; content:"|30|"; startswith; content:"|02 01|"; within:4; content:"|60|"; distance:1; within:1; byte_test:1,>,7,0,relative; content:"|02 01 03 04|"; distance:1; within:4; fast_pattern; byte_jump:1,0,relative; content:"|80|"; within:1; reference:url,ldap.com/ldapv3-wire-protocol-reference-bind/; classtype:policy-violation; sid:2034812; rev:2; metadata:attack_target Client_and_Server, created_at 2021_12_20, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2021_12_20;)