AT related malicious URL (magento.citiretailservices.citibankonlline.com/?ch=1&js=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJKb2tlbiIsImV4cCI6MTc4MTQwMTY2NSwiaWF0IjoxNzgxMzk0NDY1LCJpc3MiOiJKb2tlbiIsImpzIjoxLCJqdGkiOiIzMnNjaGwwb3FydGpuNjZ1MmcwdDQxOG8iLCJuYmYiOjE3ODEzOTQ0NjUsInRzIjoxNzgxMzk0NDY1OTAwMzI2fQ.4fYqANSgWUeBsX-QA82nVdImxbH9Q5Pk8U5BJjzSsP8&sid=46f3d3b2-6782-11f1-ac47-d8df95e8526e)
Sourcejulioliraup/antiphishing
Fileantiphishing.rules
CreatedJune 14, 2026
UpdatedJune 25, 2026
Classificationsocial-engineering
alert http $HOME_NET any -> any any (msg:"AT related malicious URL (magento.citiretailservices.citibankonlline.com/?ch=1&js=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJKb2tlbiIsImV4cCI6MTc4MTQwMTY2NSwiaWF0IjoxNzgxMzk0NDY1LCJpc3MiOiJKb2tlbiIsImpzIjoxLCJqdGkiOiIzMnNjaGwwb3FydGpuNjZ1MmcwdDQxOG8iLCJuYmYiOjE3ODEzOTQ0NjUsInRzIjoxNzgxMzk0NDY1OTAwMzI2fQ.4fYqANSgWUeBsX-QA82nVdImxbH9Q5Pk8U5BJjzSsP8&sid=46f3d3b2-6782-11f1-ac47-d8df95e8526e)"; flow:established,to_server ; http.uri; content:"/?ch=1&js=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJKb2tlbiIsImV4cCI6MTc4MTQwMTY2NSwiaWF0IjoxNzgxMzk0NDY1LCJpc3MiOiJKb2tlbiIsImpzIjoxLCJqdGkiOiIzMnNjaGwwb3FydGpuNjZ1MmcwdDQxOG8iLCJuYmYiOjE3ODEzOTQ0NjUsInRzIjoxNzgxMzk0NDY1OTAwMzI2fQ.4fYqANSgWUeBsX-QA82nVdImxbH9Q5Pk8U5BJjzSsP8&sid=46f3d3b2-6782-11f1-ac47-d8df95e8526e"; startswith; fast_pattern; http.host; content:"magento.citiretailservices.citibankonlline.com"; endswith; reference:url,openphish.com ; reference:url,julioliraup.github.io/AT/signature.html?sid=6013329 ; classtype:social-engineering; sid:6013329; rev:1; metadata:signature_severity Major, created_et 2026_06_14, updated_et 2026_06_25;)
References
Metadata
signature severityMajor
created et2026_06_14
updated et2026_06_25
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