alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/SkidRat CnC? Checkin M1"; flow:established,to_server; content:"POST"; http_method; content:"Windows|20|NT|20|6,2"; http_user_agent; content:"Gecko|2f|201001o1|20|Firef0x/19,0"; http_user_agent; distance:0; fast_pattern; content:"9"; http_client_body; depth:1; pcre:"/^9(?:[A-Z0-9+/]{4})*(?:[A-Z0-9+/]{2}==|[A-Z0-9+/]{3}=|[A-Z0-9+/]{4})$/Pi"; http_header_names; content:!"Referer"; metadata: former_category TROJAN; reference:url,www.dodgethissecurity.com/2019/02/28/reverse-engineering-an-unknown-rat-lets-call-it-skidrat-1-0/; classtype:trojan-activity; sid:2027057; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag RAT, signature_severity Major, created_at 2019_03_06, malware_family SkidRat?, performance_impact Low, updated_at 2019_03_06;)

Added 2019-03-06 20:22:40 UTC


Topic revision: r1 - 2019-03-07 - TWikiGuest
 
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