alert tcp $EXTERNAL_NET any -> $HOME_NET 139 (msg:"GPL NETBIOS SMB IrotIsRunning andx attempt"; flow:established,to_server; flowbits:isset,smb.tree.bind.irot; content:"|00|"; depth:1; content:"|FF|SMB"; within:4; distance:3; pcre:"/^(\x75|\x2d|\x2f|\x73|\xa2|\x2e|\x24|\x74)/sR"; byte_test:1,!&,128,6,relative; content:"%"; depth:1; offset:39; byte_jump:2,0,little,relative; content:"&|00|"; within:2; distance:29; content:"|5C|PIPE|5C 00|"; distance:4; nocase; byte_jump:2,-17,relative,from_beginning,little; isdataat:4,relative; content:"|05|"; byte_test:1,!&,16,3,relative; content:"|00|"; within:1; distance:1; content:"|00 02|"; within:2; distance:19; byte_jump:4,8,relative,little,align; byte_test:4,>,1024,0,little; reference:bugtraq,6005; reference:cve,2002-1561; reference:url,www.microsoft.com/technet/security/bulletin/MS03-010.mspx; classtype:protocol-command-decode; sid:2103260; rev:5; metadata:created_at 2010_09_23, cve CVE_2002_1561, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)