ET USER_AGENTS Suspicious User-Agent (ms_ie) - Crypt.ZPACK Gen Trojan Downloader GET Request
Sourceet/open
Fileemerging-user_agents.rules
CreatedJuly 30, 2010
UpdatedMay 7, 2024
Classificationtrojan-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (ms_ie) - Crypt.ZPACK Gen Trojan Downloader GET Request"; flow:established,to_server ; http.header; header_lowercase; content:"user-agent|3a 20|ms_ie|0d 0a|"; nocase; threshold:type limit, count 2, track by_src, seconds 300 ; classtype:trojan-activity; sid:2009538; rev:9; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence High, signature_severity Major, tag User_Agent, tag Trojan_Downloader, updated_at 2024_05_07;)
Metadata
affected productAny
attack targetClient_Endpoint
created at2010_07_30
deploymentPerimeter
confidenceHigh
signature severityMajor
tagTrojan_Downloader
updated at2024_05_07
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