alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Buran Ransomware Activity M2"; flow:established,to_server; content:"GET"; http_method; content:"GHOST"; http_user_agent; depth:5; isdataat:!1,relative; fast_pattern; http_referer; content:!"."; pcre:"/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/i"; http_header_names; content:!"Connection"; content:!"Cache"; content:!"Accept"; metadata: former_category TROJAN; classtype:trojan-activity; sid:2027445; 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_06_10, malware_family Buran, performance_impact Moderate, updated_at 2019_06_10;)

Added 2019-06-10 20:32:49 UTC


Topic revision: r1 - 2019-06-11 - TWikiGuest
 
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