ET MALWARE Observed Win32/DecryptStealer Exfil Domain (geroipanel .site in TLS SNI)
Sourceet/open
CreatedMay 18, 2020
UpdatedMay 18, 2020
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Win32/DecryptStealer Exfil Domain (geroipanel .site in TLS SNI)"; flow:established,to_server; tls.sni; content:"geroipanel.site"; bsize:15; reference:url,app.any.run/tasks/ef44292d-3b2e-4571-8b68-fb49c1db1b1a/; classtype:domain-c2; sid:2030179; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_05_18, deployment Perimeter, malware_family Win32_DecryptStealer, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_18, 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_05_18
deploymentPerimeter
malware familyWin32_DecryptStealer
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2020_05_18
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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