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SID: 2036671 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2May 24, 2022, 12:00 PM

ET MALWARE Observed Python CTX Library Backdoor Domain (anti-theft-web .herokuapp .com) in TLS SNI

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Python CTX Library Backdoor Domain (anti-theft-web .herokuapp .com) in TLS SNI"; flow:established,to_server; tls.sni; content:"anti-theft-web.herokuapp.com"; bsize:28; fast_pattern; reference:url,isc.sans.edu/forums/diary/ctx+Python+Library+Updated+with+Extra+Features/28678/; classtype:trojan-activity; sid:2036671; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_05_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_12, reviewed_at 2024_09_12;)

May 24, 2022, 12:00 PM

Sep 12, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

Sep 2, 2025, 9:35 PM

rules/emerging-malware.rules