ET MALWARE Observed CobaltStrike/TEARDROP CnC Domain Domain in TLS SNI (mobilnweb .com)
Sourceet/open
CreatedDecember 23, 2020
UpdatedDecember 23, 2020
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed CobaltStrike/TEARDROP CnC Domain Domain in TLS SNI (mobilnweb .com)"; flow:established,to_server; tls.sni; content:"mobilnweb.com"; bsize:13; reference:url,unit42.paloaltonetworks.com/solarstorm-supply-chain-attack-timeline; classtype:domain-c2; sid:2031451; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_23, deployment Perimeter, malware_family CobaltStrike, confidence High, signature_severity Major, updated_at 2020_12_23, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2020_12_23
deploymentPerimeter
malware familyCobaltStrike
confidenceHigh
signature severityMajor
updated at2020_12_23
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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