alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET WEB_SERVER China Chopper WebShell? Observed Outbound"; flow:established,from_server; content:"200"; http_stat_code; file_data; content:"|3c 25 40 20|Page|20|Language=|22|Jscript|22 25 3e 3c 25|eval|28|"; fast_pattern; content:"FromBase64String"; distance:0; nocase; content:"|25 3e|"; distance:0; metadata: former_category WEB_SERVER; classtype:trojan-activity; sid:2027393; rev:1; metadata:affected_product Web_Server_Applications, attack_target Server, deployment Perimeter, signature_severity Major, created_at 2019_05_29, performance_impact Low, updated_at 2019_05_29;)

Added 2019-05-29 19:52:19 UTC

Topic revision: r1 - 2019-05-29 - TWikiGuest
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