alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT VBscript UAF (CVE-2018-8373)"; flow:to_client,established; file_data; content:"vbscript"; nocase; content:"class_initialize"; nocase; fast_pattern; content:"<script "; nocase; content:"Redim"; nocase; content:"private"; nocase; pcre:"/^\s+sub\s+class_initialize\b(?:(?!end\s*sub).)*?\bReDim\s+array\b/Rsi"; content:"Public"; pcre:"/^\s+Default\s+Property\b(?:(?!end\s*property).)*?\bReDim\s+Preserve\s+array\b/Rsi"; metadata: former_category WEB_CLIENT; reference:cve,2018-8373; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/new-cve-2018-8373-exploit-spotted-in-the-wild/; classtype:attempted-user; sid:2026411; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2018_09_26, updated_at 2019_10_07;)

Added 2019-10-08 19:34:48 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT VBscript UAF (CVE-2018-8373)"; flow:to_client,established; file_data; content:"vbscript"; nocase; content:"class_initialize"; nocase; fast_pattern:only; content:"<script "; nocase; content:"Redim"; nocase; content:"private"; nocase; pcre:"/^\s+sub\s+class_initialize\b(?:(?!end\s*sub).)*?\bReDim\s+array\b/Rsi"; content:"Public"; pcre:"/^\s+Default\s+Property\b(?:(?!end\s*property).)*?\bReDim\s+Preserve\s+array\b/Rsi"; metadata: former_category WEB_CLIENT; reference:cve,2018-8373; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/new-cve-2018-8373-exploit-spotted-in-the-wild/; classtype:attempted-user; sid:2026411; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2018_09_26, updated_at 2018_09_26;)

Added 2018-09-26 18:09:01 UTC


Topic revision: r1 - 2019-10-08 - TWikiGuest
 
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