Méthode
—
Port
119
Chemin / cible
—
Service
NNTP
Payload
HELP CAPABILITIES
Pourquoi cette classification : Type « opcua_probe » (signaux protocolaires) · confiance 47%
Confiance classification
47%
Confiance modérée — signal unique
Risque capteur
Faible
· 35
Confiance : Confiance 47 % — Motif catalogue confirmé
Protocole émulé
1
Signaux
pat-0626
Technique MITRE
TA0007
Tactiques MITRE
TA0007
TA0001
Motifs de détection (base)
OPC UA HEL
User-Agent
—
Règles WAF
—
Payload (extrait)
HELP
CAPABILITIES
Meta JSON brut
{
"protocol_emulated": true,
"emulator_response": "32303020486f6e6579706f74204e4e54502072656164790d0a",
"emulator_response_len": 25,
"bytes_in": 20,
"payload_entropy": 3.484183719779189,
"port_category": "well_known",
"org": "Censys, Inc.",
"service": "nntp",
"app_proto": "nntp",
"asn": 398722,
"country": "US",
"dst_port": 119,
"risk_waf": 8,
"risk_classification": 32,
"risk_behavior": 0,
"risk_geo": 0,
"risk_protocol": 22,
"risk_novelty": 0,
"risk_boost": 0,
"risk_granularity": 4.2,
"risk_breakdown": {
"waf": 8,
"classification": 32,
"behavior": 0,
"geo": 0,
"protocol": 22,
"novelty": 0
},
"risk_score": 35,
"tag_count": 0,
"anomaly_count": 0,
"campaign_key": "f90ff25e7a87531262d9c16e71c8d020cfe0a97f",
"event_fingerprint": "c0edb13854da3a166d4307a8a18526987379b13d",
"classification_reason": "Type \u00ab opcua_probe \u00bb (signaux protocolaires) \u00b7 confiance 47%",
"confidence": 0.47,
"classification_confidence": 0.47,
"precision_score": 56,
"precision_signals": [
"pat-0626"
],
"kb_rule_ids": [
"pat-0626"
],
"matched_patterns": [
"pat-0626"
],
"matched_pattern_names": [
"OPC UA HEL"
],
"pattern_ids": [
"pat-0626"
],
"confidence_breakdown": {
"waf": 8,
"classification": 32,
"behavior": 0,
"geo": 0,
"protocol": 22,
"novelty": 0,
"risk_score": 35
},
"named_classification_skipped": false,
"service_name": "nntp",
"risk_confidence_factor": 47,
"city": null,
"is_datacenter": false,
"is_tor_hint": false,
"geo": {
"country": "US",
"asn": 398722,
"org": "Censys, Inc.",
"is_datacenter": false,
"is_tor_hint": false
},
"fingerprint": {
"payload_hash": "2f9d8192ac6be810eba01dc7f3ca5758",
"path_pattern_hash": "9665a326f7d8f70f1661dab78807b951"
},
"target_context": {
"dst_port": 119,
"service": "nntp",
"service_name": "nntp",
"risk_score": 35
},
"payload_preview": "HELP\r\nCAPABILITIES\r\n",
"request_sample": "HELP\r\nCAPABILITIES\r\n",
"payload_snippet": "HELP\r\nCAPABILITIES",
"evidence": {
"request_sample": "HELP\r\nCAPABILITIES\r\n",
"payload_snippet": "HELP\r\nCAPABILITIES",
"classification_reason": "Type \u00ab opcua_probe \u00bb (signaux protocolaires) \u00b7 confiance 47%"
},
"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": "f49e8f0712448b9a08037f91dd1348e4fcbe1d24",
"protocol_details": {
"payload_preview": "HELP\r\nCAPABILITIES",
"port": 119,
"service": "nntp",
"service_label_fr": "NNTP"
},
"evidence_snippet": "HELP\r\nCAPABILITIES",
"attack_vector": "opcua probe \u00b7 via NNTP:119 \u00b7 (sonde \/ probe)",
"target_port_label": "119 \u00b7 NNTP",
"emulator_service": "nntp",
"confidence_reason": "Confiance 47 % \u2014 Motif catalogue confirm\u00e9",
"site_display": {
"classification": null,
"classification_reason": "Type \u00ab opcua_probe \u00bb (signaux protocolaires) \u00b7 confiance 47%",
"classification_reason_label_fr": "Type \u00ab opcua_probe \u00bb (signaux protocolaires) \u00b7 confiance 47%",
"executive_one_liner_fr": "Activit\u00e9 suspecte \u00b7 risque 35\/100",
"confidence_pct": 47,
"confidence_breakdown": {
"waf": 8,
"classification": 32,
"behavior": 0,
"geo": 0,
"protocol": 22,
"novelty": 0,
"risk_score": 35
},
"attack_stage": "probe",
"attack_stage_label": "Sonde \/ probe",
"attack_chain_stage": "discovery",
"attack_chain_stage_label_fr": "D\u00e9couverte",
"risk_score": 35,
"risk_label": "Faible",
"service_name": "nntp",
"service_label_fr": "NNTP",
"dst_port": 119,
"protocol_emulated": true,
"tags_summary": [
"pat-0626"
],
"tags_summary_labels_fr": [
"pat-0626"
],
"recommended_action": "monitor",
"recommended_action_label": "Surveiller",
"mitre": "TA0007",
"mitre_technique": "TA0007",
"persona_hostname": "mail.sensor-1.internal",
"persona_service_banner": "honeypot-nntp",
"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": "HELP\r\nCAPABILITIES",
"port": 119,
"service": "nntp",
"service_label_fr": "NNTP"
},
"attack_vector": "opcua probe \u00b7 via NNTP:119 \u00b7 (sonde \/ probe)",
"evidence_snippet": "HELP\r\nCAPABILITIES",
"target_port_label": "119 \u00b7 NNTP",
"emulator_service": "nntp",
"confidence_reason": "Confiance 47 % \u2014 Motif catalogue confirm\u00e9",
"confidence_factors_fr": "Confiance 47 % \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": "nntp",
"service_banner": "honeypot-nntp",
"service_os": "linux",
"dst_port": "119"
},
"hostname": "mail.sensor-1.internal",
"sensor_id": "sensor-1",
"attack_chain_stage": "discovery",
"ban_policy": "advisory_monitor"
}
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