alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET EXPLOIT TAC Attack Directory Traversal"; flow:established,to_server; content:"/ISALogin.dll?"; http_uri; nocase; pcre:"/Template=.*\.\./UGi"; reference:cve,2005-3040; reference:url,secunia.com/advisories/16854; reference:url,cirt.dk/advisories/cirt-37-advisory.pdf; classtype:attempted-recon; sid:2002406; rev:6; metadata:created_at 2010_07_30, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1083, mitre_technique_name File_And_Directory_Discovery; target:dest_ip;)