alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT CVE-2016-0189 Exploit HFS Actor"; flow:established,from_server; http.server; content:"HFS"; startswith; file.data; content:"triggerBug"; nocase; fast_pattern; content:"exploit"; nocase; content:"intToStr"; nocase; content:"strToInt"; nocase; classtype:trojan-activity; sid:2024677; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_09_07, cve CVE_2016_0189, deployment Perimeter, signature_severity Critical, tag CISA_KEV, updated_at 2020_08_12;)