ET MALWARE Observed Malicious SimpleHelp RMM Domain (funsunmexicobizz .top) in TLS SNI

SID: 2067968Rev: 10 views

Sourceet/open

CreatedMarch 2, 2026

UpdatedMarch 2, 2026

Classificationdomain-c2

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Malicious SimpleHelp RMM Domain (funsunmexicobizz .top) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".funsunmexicobizz.top"; endswith; fast_pattern; reference:url,infosec.exchange/@james_inthe_box/116160119920221246; classtype:domain-c2; sid:2067968; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2026_03_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag RMM, updated_at 2026_03_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1219, mitre_technique_name Remote_Access_Software;)

References

url	infosec.exchange/@james_inthe_box/116160119920221246

Metadata

affected productAny

attack targetClient_and_Server

created at2026_03_02

deploymentPerimeter

performance impactLow

confidenceHigh

signature severityMajor

tagRMM

updated at2026_03_02

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1219

mitre technique nameRemote_Access_Software

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