ET PHISHING Base64 HTTP URL Refresh - Common Phish Landing Obfuscation 2016-01-01
Sourceet/open
Fileemerging-phishing.rules
CreatedJanuary 1, 2016
UpdatedMarch 14, 2024
Classificationsocial-engineering
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Base64 HTTP URL Refresh - Common Phish Landing Obfuscation 2016-01-01"; flow:established,to_client ; file.data; content:"<meta http-equiv="; nocase; content:"refresh"; distance:1; nocase; content:"data|3a|text/html|3b|base64," ; distance:0; fast_pattern; nocase; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})\x22|\x27/Rsi" ; content:!"cGFnZV9ub3RfZm91bmQuaHRtb"; classtype:social-engineering; sid:2031695; rev:4; metadata:created_at 2016_01_01, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_14;)
Metadata
created at2016_01_01
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_14
Comments (0)
Please sign in to leave a comment.
Sign inNo comments yet. Be the first to comment!