ET MALWARE Observed UNC1549/TA455 Domain (changequestionstypejsonapi .azurewebsites .net in TLS SNI)

SID: 2051419Rev: 13 viewsHistory

Sourceet/open

CreatedFebruary 29, 2024

UpdatedFebruary 29, 2024

Classificationsocial-engineering

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed UNC1549/TA455 Domain (changequestionstypejsonapi .azurewebsites .net in TLS SNI)"; flow:established,to_server; tls.sni; bsize:44; content:"changequestionstypejsonapi.azurewebsites.net"; fast_pattern; reference:url,www.mandiant.com/resources/blog/suspected-iranian-unc1549-targets-israel-middle-east; classtype:social-engineering; sid:2051419; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_29, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_29, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

References

url	www.mandiant.com/resources/blog/suspected-iranian-unc1549-targets-israel-middle-east

Metadata

attack targetClient_Endpoint

created at2024_02_29

deploymentPerimeter

confidenceHigh

signature severityMajor

tagDescription_Generated_By_Proofpoint_Nexus

updated at2024_02_29

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1071

mitre technique nameApplication_Layer_Protocol

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