alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32/Unk.Stealer CnC? Activity"; flow:established,to_server; content:"POST"; http_method; content:"/check.php"; http_uri; isdataat:!1,relative; fast_pattern; content:"m="; http_client_body; depth:2; pcre:"/^m=[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/Psi"; http_header_names; content:!"Referer"; metadata: former_category TROJAN; reference:md5,b38a63aea75bcf06fed11067cc75cc7e; classtype:trojan-activity; sid:2025580; 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 2018_05_16, performance_impact Moderate, updated_at 2018_05_16;)

Added 2018-05-16 17:40:53 UTC


Topic revision: r1 - 2018-05-16 - TWikiGuest
 
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