alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Cobalt Strike Malleable C2 (Adobe RTMP)"; flow:established,to_server; content:"GET"; http_method; content:"/idle/1376547834/1"; http_uri; fast_pattern; depth:18; isdataat:!1,relative; content:"="; http_cookie; offset:171; depth:1; isdataat:!1,relative; pcre:"/^[a-zA-Z0-9\/+]{171}=$/Cs"; content:"Shockwave Flash"; http_user_agent; depth:15; isdataat:!1,relative; http_content_type; content:"application/x-fcs"; http_header_names; content:!"Referer"; metadata: former_category MALWARE; reference:url,github.com/rsmudge/Malleable-C2-Profiles/blob/master/normal/rtmp.profile; classtype:trojan-activity; sid:2029744; 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 2020_03_26, malware_family Cobalt_Strike, updated_at 2020_03_26;)

Added 2020-03-26 19:17:05 UTC


Topic revision: r1 - 2020-03-26 - TWikiGuest
 
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