alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE MSIL/KeyRedirEx Banker Receiving Exit Instruction"; flow:established,from_server; http.stat_code; content:"200"; file.data; content:"EXIT|3b|"; depth:5; fast_pattern; endswith; reference:md5,ec33cc6cb625197587410840bce5983b; reference:url,otx.alienvault.com/pulse/5bd339328f32ad2db2e03f1a; classtype:trojan-activity; sid:2026564; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_29, deployment Perimeter, malware_family KeyRedirEx, performance_impact Low, confidence High, signature_severity Major, tag Banker, updated_at 2020_09_16;)