Renseignement sur les menaces

Brésil

138.118.239.147

FAI MICRON LINE SERVICOS DE INFORMATICA LTDA - ME Première vue 31/07/2026 16:35 UTC Dernière vue 31/07/2026 16:35 UTC Risque Faible

Période analysée : 2026-07-29 → 2026-08-05

Activité suspecte · risque 32/100

Base IP Signaler JSON CSV Pro STIX 2.1 · JSON SOC ou contact

Réputation DNSBL WHOIS Ports

24h 7j 30j 90j

Faible · Risque max (7j) Faible

Synthèse exécutive

Profil de menace

Score de risque 32/100 Faible

Première observation 31/07/2026 16:35 UTC

Dernière observation 31/07/2026 16:35 UTC

Événements (période) 2

MITRE ATT&CK principal TA0007 2 occurrences

Activité suspecte · risque 32/100

Pourquoi listée

Synthèse décisionnelle honeypot — seuil de listing maintenu à 1 événement qualifié.

Type « smb_probe » (signaux protocolaires) · confiance 50%

Confiance 50 % — Score WAF 8

Comparaison ASN / FAI

ASN 28183 · 138.118.238.0/23 · LACNIC — 1 pair(s) ASN/FAI listé(s) sur la base · 2 événements sur la période pour cette IP.

138.118.239.194 Bruteforce SSH 04/05/2026 01:23 UTC

Événements (filtres)

Première observation

31/07/2026 16:35 UTC

Dernière observation

31/07/2026 16:35 UTC

Dernière activité (filtres)

31/07/2026 16:35 UTC

Événements 7j

Ports distincts (7j)

Classifications (7j)

Sévérité max (7j)

Élevée

Géolocalisation

Origine réseau déclarée

Brésil unknown unknown

FAI / réseau

Opérateur et dernière activité ban

MICRON LINE SERVICOS DE INFORMATICA LTDA - ME 0 Port 445 smb_probe

Renseignement menaces

Score capteur — surveiller, investiguer ou bloquer.

Recommandation

Stade d'attaque

Sonde / probe

Chaîne d'attaque

Découverte

Vecteur d'attaque

smb probe · via SMB:445 · (sonde / probe)

Détails protocole

Aperçu payload

E�SMBrH��"NT LM 0.12SMB 2.002SMB 2.???

Port / service

445 · SMB

Service émulé

SMB

Raison confiance

Confiance 50 % — Motif catalogue confirmé

Technique MITRE

TA0007

Persona capteur

mail.sensor-1.internal

Recommandation

Surveiller

Rôle capteur

Renseignement menaces

Signaux de précision

pat-0554

Confiance

50% Confiance modérée — signal unique

Famille de menace

scanner

MITRE ATT&CK — tactiques

Reconnaissance Développement Accès Exécution Persistance Élévation Contournement Accès Découverte Mouvement Collecte Commande Exfiltration Impact

Décomposition confiance

Filtres

Les dates De/À priment sur la période. Affinez protocole, port, service et classification.

proto=Tous service=Tous port=Tous type=Tous sév.=Toutes

Période

Protocole

Port (dst)

Service

Classification

Sévérité min

Sévérité max

Réinitialiser

Timeline

2 événements filtrés — activité quotidienne

Ports 24 h

Top ports ciblés sur les dernières 24 heures

Top ports

SSH 22, RDP 3389, HTTP alternatifs…

Top classifications

Web, SSH, SAP, scans…

Heatmap attaques 7j

Intensité par jour et heure (UTC capteur)

Chronologie des événements

2 événement(s) — page 1/1

Horodatage	Proto	Port	Service	Classification	Sévérité	Risque
31/07/2026 16:35:34 UTC	TCP	445 · SMB	smb	Sonde SMB smb probe · via SMB:445 · (sonde / probe)	Élevée	Faible · 21
Étape Sonde / probe Chaîne Découverte Persona mail.sensor-1.internal Rôle capteur Renseignement menaces MITRE TA0007 TA0007 TA0001 Protocole Émulateur SMB WAF — Recommandation Surveiller Tags net_smb_probe smb_emulated Cible HTTP — TLS SNI — Capteur paris-1
Preuve / Evidence Méthode — Port 445 Chemin / cible — Service SMB Pourquoi cette classification : Type « smb_probe » (signaux protocolaires) · confiance 0% Confiance classification 0% Risque capteur Faible · 21 Confiance : Confiance 0 % — 2 signal(aux) capteur Protocole émulé 1 Technique MITRE TA0007 Tactiques MITRE TA0007 TA0001 User-Agent — Règles WAF — Meta JSON brut { "protocol_emulated": true, "port_inferred_service": true, "bytes_in": 0, "payload_entropy": 0, "port_category": "well_known", "org": "MICRON LINE SERVICOS DE INFORMATICA LTDA - ME", "service": "smb", "app_proto": "smb", "asn": 28183, "country": "BR", "dst_port": 445, "risk_waf": 8, "risk_classification": 56, "risk_behavior": 0, "risk_geo": 0, "risk_protocol": 36, "risk_novelty": 0, "risk_boost": 0, "risk_granularity": 2.5, "risk_breakdown": { "waf": 8, "classification": 56, "behavior": 0, "geo": 0, "protocol": 36, "novelty": 0 }, "risk_score": 21, "tag_count": 2, "anomaly_count": 0, "campaign_key": "90eadff6383eb9d1d8f3257adde4c79c467b3287", "event_fingerprint": "c2dcd725f3d49cc7233ad16d1772dcd2f3d0439d", "classification_reason": "Type \u00ab smb_probe \u00bb (signaux protocolaires) \u00b7 confiance 0%", "confidence": 0, "classification_confidence": 0, "precision_score": 0, "precision_signals": [], "kb_rule_ids": [], "confidence_breakdown": { "waf": 8, "classification": 56, "behavior": 0, "geo": 0, "protocol": 36, "novelty": 0, "risk_score": 21 }, "named_classification_skipped": false, "service_name": "smb", "risk_confidence_factor": 0, "city": null, "is_datacenter": false, "is_tor_hint": false, "geo": { "country": "BR", "asn": 28183, "org": "MICRON LINE SERVICOS DE INFORMATICA LTDA - ME", "is_datacenter": false, "is_tor_hint": false }, "fingerprint": { "path_pattern_hash": "b6c073dc229e6284b4cae7886c46d504" }, "target_context": { "dst_port": 445, "service": "smb", "service_name": "smb", "risk_score": 21 }, "attack_stage": "probe", "mitre_tactics": [ "TA0007", "TA0001" ], "mitre": "TA0007", "threat_family": [ "scanner" ], "recommended_client_action": "monitor", "policy_mode": "intelligence", "sensor_role": "threat_intelligence", "event_signature": "ef65a26a218aa90e71bfdd5be23cdac9a07fef86", "protocol_details": { "port": 445, "service": "smb", "service_label_fr": "SMB" }, "attack_vector": "smb probe \u00b7 via SMB:445 \u00b7 (sonde \/ probe)", "target_port_label": "445 \u00b7 SMB", "emulator_service": "smb", "confidence_reason": "Confiance 0 % \u2014 2 signal(aux) capteur", "site_display": { "classification": null, "classification_reason": "Type \u00ab smb_probe \u00bb (signaux protocolaires) \u00b7 confiance 0%", "classification_reason_label_fr": "Type \u00ab smb_probe \u00bb (signaux protocolaires) \u00b7 confiance 0%", "executive_one_liner_fr": "Activit\u00e9 suspecte", "confidence_pct": 0, "confidence_breakdown": { "waf": 8, "classification": 56, "behavior": 0, "geo": 0, "protocol": 36, "novelty": 0, "risk_score": 21 }, "attack_stage": "probe", "attack_stage_label": "Sonde \/ probe", "attack_chain_stage": "discovery", "attack_chain_stage_label_fr": "D\u00e9couverte", "risk_score": 21, "risk_label": "Faible", "service_name": "smb", "service_label_fr": "SMB", "dst_port": 445, "protocol_emulated": true, "tags_summary": null, "tags_summary_labels_fr": null, "recommended_action": "monitor", "recommended_action_label": "Surveiller", "mitre": "TA0007", "mitre_technique": "TA0007", "persona_hostname": "mail.sensor-1.internal", "persona_service_banner": "honeypot-smb", "correlation_flags": null, "correlation_flags_labels_fr": null, "sensor_role": "threat_intelligence", "sensor_role_label_fr": "Renseignement menaces", "confidence_hint_fr": null, "protocol_details": { "port": 445, "service": "smb", "service_label_fr": "SMB" }, "attack_vector": "smb probe \u00b7 via SMB:445 \u00b7 (sonde \/ probe)", "evidence_snippet": null, "target_port_label": "445 \u00b7 SMB", "emulator_service": "smb", "confidence_reason": "Confiance 0 % \u2014 2 signal(aux) capteur", "confidence_factors_fr": null, "campaign_hint_fr": null, "attack_phases_timeline_fr": [ { "key": "recon", "label_fr": "Reconnaissance", "active": false, "kind": "stage" }, { "key": "probe", "label_fr": "Sonde \/ probe", "active": true, "kind": "stage" }, { "key": "exploit_attempt", "label_fr": "Tentative d'exploit", "active": false, "kind": "stage" }, { "key": "post_exploit", "label_fr": "Post-exploitation", "active": false, "kind": "stage" }, { "key": "c2", "label_fr": "Commande & contr\u00f4le", "active": false, "kind": "stage" }, { "key": "discovery", "label_fr": "D\u00e9couverte", "active": true, "kind": "chain", "hint_fr": null } ] }, "honeypot_persona": { "sensor_id": "sensor-1", "hostname": "mail.sensor-1.internal", "mail_host": "mail.sensor-1.internal", "ldap_dc": "dc.sensor-1.internal", "k8s_cluster": "hp-sensor-1", "domain": "sensor-1.internal", "service_role": "smb", "service_banner": "honeypot-smb", "service_os": "linux", "dst_port": "445" }, "hostname": "mail.sensor-1.internal", "sensor_id": "sensor-1", "attack_chain_stage": "discovery", "matched_patterns": [], "ban_policy": "advisory_monitor", "tags_list": [ "net_smb_probe", "smb_emulated" ] }
31/07/2026 16:35:34 UTC	TCP	445 · SMB	smb	Sonde SMB smb probe · via SMB:445 · (sonde / probe)	Élevée	Faible · 32
Étape Sonde / probe Chaîne Découverte Persona mail.sensor-1.internal Rôle capteur Renseignement menaces MITRE TA0007 TA0007 TA0001 Protocole Émulateur SMB WAF — Recommandation Surveiller Tags net_smb_probe smb_emulated Cible HTTP — TLS SNI — Capteur paris-1
Preuve / Evidence Méthode — Port 445 Chemin / cible — Service SMB Payload E�SMBrH��"NT LM 0.12SMB 2.002SMB 2.??? Pourquoi cette classification : Type « smb_probe » (signaux protocolaires) · confiance 50% Confiance classification 50% Confiance modérée — signal unique Risque capteur Faible · 32 Confiance : Confiance 50 % — Motif catalogue confirmé Protocole émulé 1 Signaux pat-0554 Technique MITRE TA0007 Tactiques MITRE TA0007 TA0001 User-Agent — Règles WAF — Payload (extrait) E�SMBrH��"NT LM 0.12SMB 2.002SMB 2.??? Meta JSON brut { "protocol_emulated": true, "emulator_response": "00000048", "emulator_response_len": 4, "bytes_in": 73, "payload_entropy": 3.5611923625408775, "port_category": "well_known", "org": "MICRON LINE SERVICOS DE INFORMATICA LTDA - ME", "service": "smb", "app_proto": "smb", "asn": 28183, "country": "BR", "dst_port": 445, "risk_waf": 8, "risk_classification": 56, "risk_behavior": 0, "risk_geo": 0, "risk_protocol": 36, "risk_novelty": 0, "risk_boost": 0, "risk_granularity": 2.5, "risk_breakdown": { "waf": 8, "classification": 56, "behavior": 0, "geo": 0, "protocol": 36, "novelty": 0 }, "risk_score": 32, "tag_count": 2, "anomaly_count": 0, "campaign_key": "90eadff6383eb9d1d8f3257adde4c79c467b3287", "event_fingerprint": "c2dcd725f3d49cc7233ad16d1772dcd2f3d0439d", "classification_confidence": 0.5, "confidence": 0.5, "precision_signals": [ "pat-0554" ], "classification_reason": "Type \u00ab smb_probe \u00bb (signaux protocolaires) \u00b7 confiance 50%", "confidence_breakdown": { "waf": 8, "classification": 56, "behavior": 0, "geo": 0, "protocol": 36, "novelty": 0, "risk_score": 32 }, "service_name": "smb", "risk_confidence_factor": 50, "city": null, "is_datacenter": false, "is_tor_hint": false, "geo": { "country": "BR", "asn": 28183, "org": "MICRON LINE SERVICOS DE INFORMATICA LTDA - ME", "is_datacenter": false, "is_tor_hint": false }, "fingerprint": { "payload_hash": "3eeabb85e52b25e14d2585d66d1d92e4", "path_pattern_hash": "b6c073dc229e6284b4cae7886c46d504" }, "target_context": { "dst_port": 445, "service": "smb", "service_name": "smb", "risk_score": 32 }, "payload_preview": "\u0000\u0000\u0000E\ufffdSMBr\u0000\u0000\u0000\u0000\u0018\u0001H\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\ufffd\ufffd\ufffd\u0006\u0000\u0000\u0000\u0000\u0000\"\u0000\u0002NT LM 0.12\u0000\u0002SMB 2.002\u0000\u0002SMB 2.???\u0000", "request_sample": "\u0000\u0000\u0000E\ufffdSMBr\u0000\u0000\u0000\u0000\u0018\u0001H\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\ufffd\ufffd\ufffd\u0006\u0000\u0000\u0000\u0000\u0000\"\u0000\u0002NT LM 0.12\u0000\u0002SMB 2.002\u0000\u0002SMB 2.???\u0000", "payload_snippet": "\u0000\u0000\u0000E\ufffdSMBr\u0000\u0000\u0000\u0000\u0018\u0001H\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\ufffd\ufffd\ufffd\u0006\u0000\u0000\u0000\u0000\u0000\"\u0000\u0002NT LM 0.12\u0000\u0002SMB 2.002\u0000\u0002SMB 2.???\u0000", "evidence": { "request_sample": "\u0000\u0000\u0000E\ufffdSMBr\u0000\u0000\u0000\u0000\u0018\u0001H\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\ufffd\ufffd\ufffd\u0006\u0000\u0000\u0000\u0000\u0000\"\u0000\u0002NT LM 0.12\u0000\u0002SMB 2.002\u0000\u0002SMB 2.???\u0000", "payload_snippet": "\u0000\u0000\u0000E\ufffdSMBr\u0000\u0000\u0000\u0000\u0018\u0001H\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\ufffd\ufffd\ufffd\u0006\u0000\u0000\u0000\u0000\u0000\"\u0000\u0002NT LM 0.12\u0000\u0002SMB 2.002\u0000\u0002SMB 2.???\u0000", "classification_reason": "Type \u00ab smb_probe \u00bb (signaux protocolaires) \u00b7 confiance 50%" }, "attack_stage": "probe", "mitre_tactics": [ "TA0007", "TA0001" ], "mitre": "TA0007", "threat_family": [ "scanner" ], "recommended_client_action": "monitor", "policy_mode": "intelligence", "sensor_role": "threat_intelligence", "event_signature": "b1da7ed57ceb1d02f21ca9cb14248fe33c146e2c", "protocol_details": { "payload_preview": "\u0000\u0000\u0000E\ufffdSMBr\u0000\u0000\u0000\u0000\u0018\u0001H\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\ufffd\ufffd\ufffd\u0006\u0000\u0000\u0000\u0000\u0000\"\u0000\u0002NT LM 0.12\u0000\u0002SMB 2.002\u0000\u0002SMB 2.???\u0000", "port": 445, "service": "smb", "service_label_fr": "SMB" }, "evidence_snippet": "E\ufffdSMBrH\ufffd\ufffd\ufffd\"NT LM 0.12SMB 2.002SMB 2.???", "attack_vector": "smb probe \u00b7 via SMB:445 \u00b7 (sonde \/ probe)", "target_port_label": "445 \u00b7 SMB", "emulator_service": "smb", "confidence_reason": "Confiance 50 % \u2014 Motif catalogue confirm\u00e9", "site_display": { "classification": null, "classification_reason": "Type \u00ab smb_probe \u00bb (signaux protocolaires) \u00b7 confiance 50%", "classification_reason_label_fr": "Type \u00ab smb_probe \u00bb (signaux protocolaires) \u00b7 confiance 50%", "executive_one_liner_fr": "Activit\u00e9 suspecte \u00b7 risque 32\/100", "confidence_pct": 50, "confidence_breakdown": { "waf": 8, "classification": 56, "behavior": 0, "geo": 0, "protocol": 36, "novelty": 0, "risk_score": 32 }, "attack_stage": "probe", "attack_stage_label": "Sonde \/ probe", "attack_chain_stage": "discovery", "attack_chain_stage_label_fr": "D\u00e9couverte", "risk_score": 32, "risk_label": "Faible", "service_name": "smb", "service_label_fr": "SMB", "dst_port": 445, "protocol_emulated": true, "tags_summary": [ "pat-0554" ], "tags_summary_labels_fr": [ "pat-0554" ], "recommended_action": "monitor", "recommended_action_label": "Surveiller", "mitre": "TA0007", "mitre_technique": "TA0007", "persona_hostname": "mail.sensor-1.internal", "persona_service_banner": "honeypot-smb", "correlation_flags": null, "correlation_flags_labels_fr": null, "sensor_role": "threat_intelligence", "sensor_role_label_fr": "Renseignement menaces", "confidence_hint_fr": "Confiance mod\u00e9r\u00e9e \u2014 signal unique", "protocol_details": { "payload_preview": "\u0000\u0000\u0000E\ufffdSMBr\u0000\u0000\u0000\u0000\u0018\u0001H\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\ufffd\ufffd\ufffd\u0006\u0000\u0000\u0000\u0000\u0000\"\u0000\u0002NT LM 0.12\u0000\u0002SMB 2.002\u0000\u0002SMB 2.???\u0000", "port": 445, "service": "smb", "service_label_fr": "SMB" }, "attack_vector": "smb probe \u00b7 via SMB:445 \u00b7 (sonde \/ probe)", "evidence_snippet": "E\ufffdSMBrH\ufffd\ufffd\ufffd\"NT LM 0.12SMB 2.002SMB 2.???", "target_port_label": "445 \u00b7 SMB", "emulator_service": "smb", "confidence_reason": "Confiance 50 % \u2014 Motif catalogue confirm\u00e9", "confidence_factors_fr": "Confiance 50 % \u2014 Score WAF 8", "campaign_hint_fr": null, "attack_phases_timeline_fr": [ { "key": "recon", "label_fr": "Reconnaissance", "active": false, "kind": "stage" }, { "key": "probe", "label_fr": "Sonde \/ probe", "active": true, "kind": "stage" }, { "key": "exploit_attempt", "label_fr": "Tentative d'exploit", "active": false, "kind": "stage" }, { "key": "post_exploit", "label_fr": "Post-exploitation", "active": false, "kind": "stage" }, { "key": "c2", "label_fr": "Commande & contr\u00f4le", "active": false, "kind": "stage" }, { "key": "discovery", "label_fr": "D\u00e9couverte", "active": true, "kind": "chain", "hint_fr": null } ] }, "honeypot_persona": { "sensor_id": "sensor-1", "hostname": "mail.sensor-1.internal", "mail_host": "mail.sensor-1.internal", "ldap_dc": "dc.sensor-1.internal", "k8s_cluster": "hp-sensor-1", "domain": "sensor-1.internal", "service_role": "smb", "service_banner": "honeypot-smb", "service_os": "linux", "dst_port": "445" }, "hostname": "mail.sensor-1.internal", "sensor_id": "sensor-1", "attack_chain_stage": "discovery", "matched_patterns": [], "ban_policy": "advisory_monitor", "tags_list": [ "net_smb_probe", "smb_emulated" ] }

Réputation

Sécurité avancée

Offensive / Recon

Sécurité

DNS

Réseau

E-mail

IP

Utilitaires

138.118.239.147

Profil de menace

Pourquoi listée

Comparaison ASN / FAI

Géolocalisation

FAI / réseau

Renseignement menaces

Décomposition confiance

Filtres

Timeline

Ports 24 h

Top ports

Top classifications

Heatmap attaques 7j

Chronologie des événements

Comparaison côte à côte

Preuve / Evidence

Preuve / Evidence

138.118.239.147

Pourquoi listée

Comparaison ASN / FAI

IPs apparentées

Géolocalisation

FAI / réseau

Renseignement menaces

Décomposition confiance

Filtres

Timeline

Ports 24 h

Top ports

Top classifications

Heatmap attaques 7j

Chronologie des événements

Comparaison côte à côte

Preuve / Evidence

Preuve / Evidence