alert http $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET TROJAN Possible Outbound WebShell? JPEG"; flow:established,from_server; content:"200"; http_stat_code; file_data; content:"|FF D8 FF E0|"; depth:4; content:"JFIF"; distance:2; within:4; content:"<%eval|20|request|28 22|"; distance:0; fast_pattern; metadata: former_category TROJAN; classtype:trojan-activity; sid:2027739; rev:1; metadata:attack_target Web_Server, deployment Perimeter, tag WebShell?, signature_severity Major, created_at 2019_07_22, performance_impact Low, updated_at 2019_07_22;)

Added 2019-07-22 19:01:20 UTC


Topic revision: r1 - 2019-07-22 - TWikiGuest
 
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