ET MALWARE W32/Zbot.InfoStealer WindowsUpdate Connectivity Check With Opera UA
Sourceet/open
Fileemerging-malware.rules
CreatedApril 25, 2014
UpdatedApril 30, 2024
Classificationtrojan-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/Zbot.InfoStealer WindowsUpdate Connectivity Check With Opera UA"; flow:established,to_server ; urilen:1; http.method; content:"GET"; http.user_agent; content:"Opera/9.25 (Windows NT 6.0|3b 20|U|3b|"; fast_pattern; startswith; http.host; content:"windowsupdate.microsoft.com"; startswith; http.connection; bsize:5; content:"Close"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; content:!"|0d 0a|accept"; reference:md5,aa696180cd0369e264ed8e9137a4f254 ; classtype:trojan-activity; sid:2018419; rev:10; metadata:created_at 2014_04_25, signature_severity Major, updated_at 2024_04_30;)
References
| md5 | aa696180cd0369e264ed8e9137a4f254 |
Metadata
created at2014_04_25
signature severityMajor
updated at2024_04_30
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