alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/CoalaBot CnC? Activity"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:"User-Agent|3a|"; http_header; content:"KAMA NT"; http_header; distance:0; within:50; fast_pattern; content:"BULLET|3b|"; http_header; distance:0; within:20; content:"REGION|3b|"; http_header; distance:0; within:20; content:!"Referer|3a|"; http_header; content:!"Accept"; http_header; pcre:"/^[A-Za-z0-9]{10,}[\-\)\(]{1,2}/Pi"; metadata: former_category TROJAN; reference:md5,523de838dd44cdd6f212d36c142d830c; classtype:trojan-activity; sid:2024531; 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 2017_08_09, malware_family CoalaBot?, performance_impact Moderate, updated_at 2017_08_09;)

Added 2017-08-10 15:53:12 UTC


Topic revision: r1 - 2017-08-10 - TWikiGuest
 
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