|
|
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
|
Méthode
—
Port
445
Chemin / cible
—
Service
SMB
Payload
E�SMBr H ��t " NT LM 0.12 SMB 2.002 SMB 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�SMBr H ��t " NT LM 0.12 SMB 2.002 SMB 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": "Chinanet",
"service": "smb",
"app_proto": "smb",
"asn": 4134,
"country": "CN",
"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": "CN",
"asn": 4134,
"org": "Chinanet",
"is_datacenter": false,
"is_tor_hint": false
},
"fingerprint": {
"payload_hash": "5d1ef508e6267872248fb924eac8590b",
"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\ufffdt\u0010\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\ufffdt\u0010\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\ufffdt\u0010\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\ufffdt\u0010\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\ufffdt\u0010\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": "24b0a3503bc14d84d55bccb2757f965f827641b2",
"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\ufffdt\u0010\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\ufffdt\"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\ufffdt\u0010\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\ufffdt\"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"
]
}
|
|
|
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
|
Méthode
—
Port
445
Chemin / cible
—
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": "Chinanet",
"service": "smb",
"app_proto": "smb",
"asn": 4134,
"country": "CN",
"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": "CN",
"asn": 4134,
"org": "Chinanet",
"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"
]
}
|