alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Observed MSIL/n2019cov (COVID-19) Ransomware CnC? Domain in TLS SNI"; flow:established,to_server; tls_sni; content:"n2019cov.000webhostapp.com"; depth:26; isdataat:!1,relative; reference:md5,f02e5ae5b997e447a43ace281bc2bae9; classtype:trojan-activity; sid:2029735; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_25, deployment Perimeter, former_category MALWARE, signature_severity Major, tag Ransomware, updated_at 2020_03_25, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

Added 2021-10-04 19:25:00 UTC


alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Observed MSIL/n2019cov (COVID-19) Ransomware CnC? Domain in TLS SNI"; flow:established,to_server; tls_sni; content:"n2019cov.000webhostapp.com"; depth:26; isdataat:!1,relative; reference:md5,f02e5ae5b997e447a43ace281bc2bae9; classtype:trojan-activity; sid:2029735; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_25, deployment Perimeter, former_category MALWARE, signature_severity Major, updated_at 2020_03_25;)

Added 2020-08-05 19:17:49 UTC


alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Observed MSIL/n2019cov (COVID-19) Ransomware CnC? Domain in TLS SNI"; flow:established,to_server; tls_sni; content:"n2019cov.000webhostapp.com"; depth:26; isdataat:!1,relative; metadata: former_category MALWARE; reference:md5,f02e5ae5b997e447a43ace281bc2bae9; classtype:trojan-activity; sid:2029735; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2020_03_25, updated_at 2020_03_25;)

Added 2020-03-25 19:12:50 UTC


Topic revision: r1 - 2021-10-04 - TWikiGuest
 
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