AT related malicious URL (old.citiretailservices.citibankonlline.com/?ch=1&js=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJKb2tlbiIsImV4cCI6MTc4MDE3NzczMSwiaWF0IjoxNzgwMTcwNTMxLCJpc3MiOiJKb2tlbiIsImpzIjoxLCJqdGkiOiIzMnE2dmFsNnA3YXFxdWxlNjA0M200c2IiLCJuYmYiOjE3ODAxNzA1MzEsInRzIjoxNzgwMTcwNTMxNDUxNTA1fQ.YBCwjR1XkVWNlbNslSqmmgyrhmhxbsDeVazDUF05bU0&sid=952c0e83-5c60-11f1-b2cb-fd3843c9d333)

SID: 6009585Rev: 1EnabledDerived0 views
History
Fileantiphishing.rules
CreatedMay 31, 2026
UpdatedJune 25, 2026
Classificationsocial-engineering
alert http $HOME_NET any -> any any (msg:"AT related malicious URL (old.citiretailservices.citibankonlline.com/?ch=1&js=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJKb2tlbiIsImV4cCI6MTc4MDE3NzczMSwiaWF0IjoxNzgwMTcwNTMxLCJpc3MiOiJKb2tlbiIsImpzIjoxLCJqdGkiOiIzMnE2dmFsNnA3YXFxdWxlNjA0M200c2IiLCJuYmYiOjE3ODAxNzA1MzEsInRzIjoxNzgwMTcwNTMxNDUxNTA1fQ.YBCwjR1XkVWNlbNslSqmmgyrhmhxbsDeVazDUF05bU0&sid=952c0e83-5c60-11f1-b2cb-fd3843c9d333)"; flow:established,to_server; http.uri; content:"/?ch=1&js=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJKb2tlbiIsImV4cCI6MTc4MDE3NzczMSwiaWF0IjoxNzgwMTcwNTMxLCJpc3MiOiJKb2tlbiIsImpzIjoxLCJqdGkiOiIzMnE2dmFsNnA3YXFxdWxlNjA0M200c2IiLCJuYmYiOjE3ODAxNzA1MzEsInRzIjoxNzgwMTcwNTMxNDUxNTA1fQ.YBCwjR1XkVWNlbNslSqmmgyrhmhxbsDeVazDUF05bU0&sid=952c0e83-5c60-11f1-b2cb-fd3843c9d333"; startswith; fast_pattern; http.host; content:"old.citiretailservices.citibankonlline.com"; endswith; reference:url,openphish.com; reference:url,julioliraup.github.io/AT/signature.html?sid=6009585; classtype:social-engineering; sid:6009585; rev:1; metadata:signature_severity Major, created_et 2026_05_31, updated_et 2026_06_25;)

References

urlopenphish.com
urljulioliraup.github.io/AT/signature.html?sid=6009585

Metadata

signature severityMajor
created et2026_05_31
updated et2026_06_25

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