alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Steganographic Encoded WAV File Inbound via HTTP M2"; flow:established,from_server; content:"200"; http_stat_code; file_data; content:"RIFF"; depth:4; content:"WAVE"; distance:4; within:4; content:"|5C 99 13 6F F2 52|"; distance:32; within:6; fast_pattern; metadata: former_category MALWARE; reference:url,threatvector.cylance.com/en_us/home/malicious-payloads-hiding-beneath-the-wav.html; classtype:trojan-activity; sid:2028877; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, deployment Perimeter, signature_severity Major, created_at 2019_10_18, performance_impact Low, updated_at 2019_10_18;)

Added 2019-10-18 19:55:32 UTC


Topic revision: r1 - 2019-10-18 - TWikiGuest
 
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