ET DELETED HEX Payload DL with MSXMLHTP (Observed in Locky campaign)
Sourceet/open
CreatedAugust 31, 2017
UpdatedJuly 26, 2019
Classificationtrojan-activity
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED HEX Payload DL with MSXMLHTP (Observed in Locky campaign)"; flow:established,from_server; flowbits:isset,et.IE7.NoRef.NoCookie; file_data; content:"4d"; nocase; within:2; pcre:"/^\s*5a\s*90\s*00\s*03\s*00\s*00\s*00/Rsi"; classtype:trojan-activity; sid:2024650; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_08_31, deployment Perimeter, performance_impact Significant, signature_severity Major, updated_at 2019_07_26;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2017_08_31
deploymentPerimeter
performance impactSignificant
signature severityMajor
updated at2019_07_26
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