alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY Suspicious EXE Download Content-Type image/jpeg"; flow:established,to_client; flowbits:isnotset,ET.http.binary; flowbits:isnotset,ET.INFO.WindowsUpdate; http_content_type; content:"image/jpeg"; depth:10; isdataat:!1,relative; file_data; content:"MZ"; within:2; byte_jump:4,58,relative,little; content:"PE|00 00|"; distance:-64; within:4; fast_pattern; flowbits:set,ET.http.binary; metadata: former_category POLICY; classtype:policy-violation; sid:2026537; 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_23, performance_impact Moderate, updated_at 2018_10_24;)

Added 2018-10-24 18:29:13 UTC


Topic revision: r1 - 2018-10-24 - TWikiGuest
 
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