alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN [PTsecurity] Win32/Ramnit Stage 0 Communicating with CnC?"; flow:established,to_client; content:"200"; http_stat_code; file_data; content:"WAIT|20|"; depth:15; content:"CERT|20|"; fast_pattern; distance:0; within:20; pcre:"/^(?:[A-Z0-9+/]{4})*(?:[A-Z0-9+/]{2}==|[A-Z0-9+/]{3}=|[A-Z0-9+/]{4})/RQi"; metadata: former_category TROJAN; reference:md5,20148e48668cb5e0b22d437ee0443cfe; reference:url,research.checkpoint.com/ramnits-network-proxy-servers/; classtype:trojan-activity; sid:2026113; rev:3; 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_09_14, malware_family Ramnit, performance_impact Low, updated_at 2018_09_14;)

Added 2018-09-14 17:49:43 UTC


Topic revision: r1 - 2018-09-14 - TWikiGuest
 
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