ET MALWARE Observed Chinese APT Related Domain (ramblercloud .com in TLS SNI)
Sourceet/open
CreatedSeptember 7, 2022
UpdatedSeptember 7, 2022
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Chinese APT Related Domain (ramblercloud .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"ramblercloud.com"; bsize:16; fast_pattern; reference:url,www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/apt31-cloud-attacks/; reference:md5,1d65ef16d1f161ae3faa5ed7896734cd; classtype:domain-c2; sid:2038753; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_09_07, deployment Perimeter, malware_family TontoTeam, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
References
| url | www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/apt31-cloud-attacks/ |
| md5 | 1d65ef16d1f161ae3faa5ed7896734cd |
Metadata
attack targetClient_Endpoint
created at2022_09_07
deploymentPerimeter
malware familyTontoTeam
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_09_07
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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