alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN GanDownloader? CnC? Checkin"; flow:established,to_server; content:"|2f 00 00 00|"; depth:4; http_client_body; content:"_"; distance:6; content:"202020202020|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; http_client_body; distance:0; isdataat:!1,relative; fast_pattern; pcre:"/^\x2f\x00{3}[A-Z0-9]{6}_[a-f0-9]+\x00{16}$/Ps"; http_start; content:"POST / HTTP/1.1"; depth:15; http_header_names; content:!"Accept"; content:!"User-Agent"; content:!"Referer"; metadata: former_category TROJAN; reference:md5,8f0017ed89c2f6639cc2a08bc1e83f1e; classtype:trojan-activity; sid:2026946; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2019_02_20, performance_impact Moderate, updated_at 2019_02_20;)

Added 2019-02-20 18:45:42 UTC


Topic revision: r1 - 2019-02-20 - TWikiGuest
 
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