AT related malicious URL (trackingservice.monday.com/tracker/link?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJvcmlnaW5hbFVybCI6Imh0dHBzOi8vYXZhbnRlc2hpcHBpbmcuY29tLy0vYXBwZXNiZGsiLCJlbWFpbElkIjoiZjQ3OTUxOTEtZmU0Ni00NzdiLWJlNWMtNmEwODEyMjliNzg5IiwiaWF0IjoxNzgyMjkwMTMxfQ.beIq4G3BLkA0trHhUBShEAgP_Rceo0ainz4rbv_sRHQ&r=euc1)
Sourcejulioliraup/antiphishing
Fileantiphishing.rules
CreatedJune 25, 2026
UpdatedJune 25, 2026
Classificationsocial-engineering
alert http $HOME_NET any -> any any (msg:"AT related malicious URL (trackingservice.monday.com/tracker/link?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJvcmlnaW5hbFVybCI6Imh0dHBzOi8vYXZhbnRlc2hpcHBpbmcuY29tLy0vYXBwZXNiZGsiLCJlbWFpbElkIjoiZjQ3OTUxOTEtZmU0Ni00NzdiLWJlNWMtNmEwODEyMjliNzg5IiwiaWF0IjoxNzgyMjkwMTMxfQ.beIq4G3BLkA0trHhUBShEAgP_Rceo0ainz4rbv_sRHQ&r=euc1)"; flow:established,to_server ; http.uri; content:"/tracker/link?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJvcmlnaW5hbFVybCI6Imh0dHBzOi8vYXZhbnRlc2hpcHBpbmcuY29tLy0vYXBwZXNiZGsiLCJlbWFpbElkIjoiZjQ3OTUxOTEtZmU0Ni00NzdiLWJlNWMtNmEwODEyMjliNzg5IiwiaWF0IjoxNzgyMjkwMTMxfQ.beIq4G3BLkA0trHhUBShEAgP_Rceo0ainz4rbv_sRHQ&r=euc1"; startswith; fast_pattern; http.host; content:"trackingservice.monday.com"; endswith; reference:url,openphish.com ; reference:url,julioliraup.github.io/AT/signature.html?sid=6015517 ; classtype:social-engineering; sid:6015517; rev:1; metadata:signature_severity Major, created_et 2026_06_25, updated_et 2026_06_25;)
References
Metadata
signature severityMajor
created et2026_06_25
updated et2026_06_25
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