alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN IcedID? WebSocket? Request"; flow:established,to_server; content:"GET"; http_method; content:"/data2.php?"; http_uri; pcre:"/^[A-F0-9]{16}$/UR"; content:"Upgrade|3a 20|websocket|0d 0a|Connection|3a 20|Upgrade|0d 0a 0d 0a|"; http_header; isdataat:!1,relative; http_header_names; content:!"Referer"; content:!"Accept"; metadata: former_category TROJAN; reference:md5,b17a729efb71d1781405c6c00052c85e; classtype:trojan-activity; sid:2026673; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2018_11_29, malware_family IcedID?, updated_at 2018_11_29;)

Added 2018-11-29 18:26:31 UTC


Topic revision: r1 - 2018-11-29 - TWikiGuest
 
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