AT related malicious URL (cesnet.adianjing.com/challenge.php?t=MTc3OTE1NDcwN3wxNzc5MTU1MDA3fDBlZmQ1MzZjMjA0MGJhMzJ8NHwyMDNhN2E5YmY1MWY2OTE2NmEyNDAyY2UxYmVhNjhiZXwxNDQzOWY1MWY1ZGVlNTZmNmNlOTY2ZGNmMzQ2OGRjOGMwMjNhNmFjMWY4NjUzYzllZDkwZDJhNDMxNmZmODk4&r=Lw%3D%3D)

SID: 6003103Rev: 10 views
Sourcejulioliraup/antiphishing
CreatedMay 22, 2026
UpdatedMay 22, 2026
Classificationsocial-engineering
alert http $HOME_NET any -> any any (msg:"AT related malicious URL (cesnet.adianjing.com/challenge.php?t=MTc3OTE1NDcwN3wxNzc5MTU1MDA3fDBlZmQ1MzZjMjA0MGJhMzJ8NHwyMDNhN2E5YmY1MWY2OTE2NmEyNDAyY2UxYmVhNjhiZXwxNDQzOWY1MWY1ZGVlNTZmNmNlOTY2ZGNmMzQ2OGRjOGMwMjNhNmFjMWY4NjUzYzllZDkwZDJhNDMxNmZmODk4&r=Lw%3D%3D)"; flow:established,to_server; http.uri; content:"/challenge.php?t=MTc3OTE1NDcwN3wxNzc5MTU1MDA3fDBlZmQ1MzZjMjA0MGJhMzJ8NHwyMDNhN2E5YmY1MWY2OTE2NmEyNDAyY2UxYmVhNjhiZXwxNDQzOWY1MWY1ZGVlNTZmNmNlOTY2ZGNmMzQ2OGRjOGMwMjNhNmFjMWY4NjUzYzllZDkwZDJhNDMxNmZmODk4&r=Lw%3D%3D"; startswith; fast_pattern; http.host; content:"cesnet.adianjing.com"; endswith; reference:url,phishstats.info; reference:url,julioliraup.github.io/ET/signature.html?sid=6003103; classtype:social-engineering; sid:6003103; rev:1; metadata:signature_severity Major, created_et 2026_05_18;)

References

urlphishstats.info
urljulioliraup.github.io/ET/signature.html?sid=6003103

Metadata

signature severityMajor
created et2026_05_18

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