ET MALWARE Observed MSIL/n2019cov (COVID-19) Ransomware CnC Domain in TLS SNI
Sourceet/open
CreatedMarch 25, 2020
UpdatedMarch 25, 2020
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed MSIL/n2019cov (COVID-19) Ransomware CnC Domain in TLS SNI"; flow:established,to_server; tls.sni; content:"n2019cov.000webhostapp.com"; bsize:26; reference:md5,f02e5ae5b997e447a43ace281bc2bae9; classtype:domain-c2; sid:2029735; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_25, deployment Perimeter, malware_family MSIL_n2019cov, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_03_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
References
| md5 | f02e5ae5b997e447a43ace281bc2bae9 |
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2020_03_25
deploymentPerimeter
malware familyMSIL_n2019cov
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2020_03_25
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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