Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Possible Internet Explorer VBscript failure to handle error case information disclosure obfuscated CVE-2014-6332"; flow:to_client,established; file_data; content:"vbscript"; nocase; content:"Xor"; nocase; pcre:"/^\W/R"; content:"Execute"; nocase; content:"&chr"; nocase; content:"UBound"; fast_pattern; nocase; content:"Cint"; nocase; pcre:"/^\W/R"; content:"Split"; nocase; pcre:"/^\W/R"; content:"Mid"; pcre:"/^\W/R"; content:"Len"; pcre:"/^\W/R"; reference:cve,2014-6332; classtype:attempted-user; sid:2019715; rev:3; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2014_11_15, cve CVE_2014_6332, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, tag CISA_KEV, updated_at 2019_10_08, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;)