Méthode
—
Port
445
Chemin / cible
—
Service
SMB
Payload
/�SMBr \ NT LM 0.12
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)
/�SMBr \ NT LM 0.12
Meta JSON brut
{
"protocol_emulated": true,
"emulator_response": "00000048",
"emulator_response_len": 4,
"bytes_in": 51,
"payload_entropy": 2.543404055265748,
"port_category": "well_known",
"org": "Taiwan Academic Network (TANet) Information Center",
"service": "smb",
"app_proto": "smb",
"asn": 1659,
"country": "TW",
"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": "TW",
"asn": 1659,
"org": "Taiwan Academic Network (TANet) Information Center",
"is_datacenter": false,
"is_tor_hint": false
},
"fingerprint": {
"payload_hash": "648c39c9f765fd5a87e0f061188c4651",
"path_pattern_hash": "b6c073dc229e6284b4cae7886c46d504"
},
"target_context": {
"dst_port": 445,
"service": "smb",
"service_name": "smb",
"risk_score": 32
},
"payload_preview": "\u0000\u0000\u0000\/\ufffdSMBr\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\\\u0002\u0000\u0000\u0000\u0000\u0000\f\u0000\u0002NT LM 0.12\u0000",
"request_sample": "\u0000\u0000\u0000\/\ufffdSMBr\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\\\u0002\u0000\u0000\u0000\u0000\u0000\f\u0000\u0002NT LM 0.12\u0000",
"payload_snippet": "\u0000\u0000\u0000\/\ufffdSMBr\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\\\u0002\u0000\u0000\u0000\u0000\u0000\f\u0000\u0002NT LM 0.12\u0000",
"evidence": {
"request_sample": "\u0000\u0000\u0000\/\ufffdSMBr\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\\\u0002\u0000\u0000\u0000\u0000\u0000\f\u0000\u0002NT LM 0.12\u0000",
"payload_snippet": "\u0000\u0000\u0000\/\ufffdSMBr\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\\\u0002\u0000\u0000\u0000\u0000\u0000\f\u0000\u0002NT LM 0.12\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": "c16fb8e9369e55b5b6170404570b33cfd5a63b32",
"protocol_details": {
"payload_preview": "\u0000\u0000\u0000\/\ufffdSMBr\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\\\u0002\u0000\u0000\u0000\u0000\u0000\f\u0000\u0002NT LM 0.12\u0000",
"port": 445,
"service": "smb",
"service_label_fr": "SMB"
},
"evidence_snippet": "\/\ufffdSMBr\\NT LM 0.12",
"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\u0000\/\ufffdSMBr\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\\\u0002\u0000\u0000\u0000\u0000\u0000\f\u0000\u0002NT LM 0.12\u0000",
"port": 445,
"service": "smb",
"service_label_fr": "SMB"
},
"attack_vector": "smb probe \u00b7 via SMB:445 \u00b7 (sonde \/ probe)",
"evidence_snippet": "\/\ufffdSMBr\\NT LM 0.12",
"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"
]
}
|