ET ATTACK_RESPONSE Observed Portuguese JS Dropper Inbound M3

7.0.35.0SID: 2072257Rev: 1Enabled2 views
Sourceet/open
Fileemerging-attack_response.rules
CreatedSeptember 24, 2026
UpdatedSeptember 24, 2026
Classificationtrojan-activity
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET ATTACK_RESPONSE Observed Portuguese JS Dropper Inbound M3"; flow:established,to_client; http.response_body; content:"sonaraspadinha"; fast_pattern; content:"meu_script_gerado23|2e|bat"; content:"Win32_Process"; content:"impersonationLevel=impersonate"; classtype:trojan-activity; sid:2072257; rev:1; metadata:affected_product Windows_Client, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_09_24, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2026_09_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer; target:dest_ip;)

Metadata

affected productWindows_Client
attack targetClient_Endpoint
tls stateTLSDecrypt
created at2026_09_24
deploymentSSLDecrypt
confidenceHigh
signature severityMajor
updated at2026_09_24
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1105
mitre technique nameIngress_Tool_Transfer

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