alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN [PTsecurity] Kraken Ransomware Start Activity 2"; flow:established,to_server; content:!"."; http_uri; content:!"&"; http_uri; content:!"?"; http_uri; content:"-"; offset:2; depth:1; http_user_agent; content:"|3a|StartU"; distance:0; http_user_agent; isdataat:!1,relative; fast_pattern; pcre:"/^[A-Z]{2}-[0-9]{1,5}\x3aStartU$/V"; http_header_names; content:!"Accept"; content:!"Referer"; metadata: former_category TROJAN; classtype:trojan-activity; sid:2026472; 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 2018_10_11, malware_family Kraken_Ransomware, performance_impact Moderate, updated_at 2018_10_11;)

Added 2018-10-11 17:42:03 UTC


Topic revision: r1 - 2018-10-11 - TWikiGuest
 
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