Méthode
—
Port
2049
Chemin / cible
—
Service
NFS
Payload
� (�B` ��M�I
Pourquoi cette classification : Type « nfs_probe » (signaux protocolaires) · confiance 69%
Confiance classification
69%
Risque capteur
Moyen
· 45
Confiance : Confiance 69 % — Motif catalogue confirmé
Protocole émulé
1
Signaux
pat-0532
Upstream
Technique MITRE
TA0007
Tactiques MITRE
TA0007
TA0001
Motifs de détection (base)
NFS RPC mount
Mumble ping
Minecraft varint handshake
TFTP RRQ
User-Agent
—
Règles WAF
—
Payload (extrait)
� (�B` ��M�I
Meta JSON brut
{
"protocol_emulated": true,
"emulator_response": "800000290000000000000000",
"emulator_response_len": 12,
"bytes_in": 44,
"payload_entropy": 2.1138243943587627,
"port_category": "registered",
"org": "Google LLC",
"service": "nfs",
"app_proto": "nfs",
"asn": 396982,
"country": "BE",
"dst_port": 2049,
"risk_waf": 8,
"risk_classification": 52,
"risk_behavior": 0,
"risk_geo": 40,
"risk_protocol": 30,
"risk_novelty": 10,
"risk_boost": 0,
"risk_granularity": 2.6,
"risk_breakdown": {
"waf": 8,
"classification": 52,
"behavior": 0,
"geo": 40,
"protocol": 30,
"novelty": 10
},
"risk_score": 45,
"tag_count": 6,
"anomaly_count": 0,
"campaign_key": "c3351ecc36582bd15d19e7006e3148e3de45ce5d",
"event_fingerprint": "923118becffb962b98707ace1a35bf197f6f487b",
"classification_reason": "Type \u00ab nfs_probe \u00bb (signaux protocolaires) \u00b7 confiance 69%",
"confidence": 0.69,
"classification_confidence": 0.69,
"precision_score": 77,
"precision_signals": [
"pat-0532",
"INT-upstream"
],
"kb_rule_ids": [
"pat-0532",
"INT-upstream"
],
"matched_patterns": [
"pat-0532",
"pat-0768",
"pat-0554",
"pat-0536"
],
"matched_pattern_names": [
"NFS RPC mount",
"Mumble ping",
"Minecraft varint handshake",
"TFTP RRQ"
],
"pattern_ids": [
"pat-0532",
"pat-0768",
"pat-0554",
"pat-0536"
],
"confidence_breakdown": {
"waf": 8,
"classification": 52,
"behavior": 0,
"geo": 40,
"protocol": 30,
"novelty": 10,
"risk_score": 45
},
"named_classification_skipped": false,
"service_name": "nfs",
"risk_confidence_factor": 69,
"city": null,
"is_datacenter": true,
"is_tor_hint": false,
"geo": {
"country": "BE",
"asn": 396982,
"org": "Google LLC",
"is_datacenter": true,
"is_tor_hint": false
},
"fingerprint": {
"payload_hash": "14397ed3c722cc1648a6c5f06d95f156",
"path_pattern_hash": "b4c17c2e08034efe3107b042afcaf38e"
},
"target_context": {
"dst_port": 2049,
"service": "nfs",
"service_name": "nfs",
"risk_score": 45
},
"payload_preview": "\ufffd\u0000\u0000(\u0003\ufffdB`\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0002\u0000\u0001\ufffd\ufffd\u0005M\ufffdI\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000",
"request_sample": "\ufffd\u0000\u0000(\u0003\ufffdB`\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0002\u0000\u0001\ufffd\ufffd\u0005M\ufffdI\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000",
"payload_snippet": "\ufffd\u0000\u0000(\u0003\ufffdB`\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0002\u0000\u0001\ufffd\ufffd\u0005M\ufffdI\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000",
"evidence": {
"request_sample": "\ufffd\u0000\u0000(\u0003\ufffdB`\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0002\u0000\u0001\ufffd\ufffd\u0005M\ufffdI\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000",
"payload_snippet": "\ufffd\u0000\u0000(\u0003\ufffdB`\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0002\u0000\u0001\ufffd\ufffd\u0005M\ufffdI\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000",
"classification_reason": "Type \u00ab nfs_probe \u00bb (signaux protocolaires) \u00b7 confiance 69%"
},
"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": "bd55c9263d813879e3c77570c58e99f5d139e7e6",
"protocol_details": {
"payload_preview": "\ufffd\u0000\u0000(\u0003\ufffdB`\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0002\u0000\u0001\ufffd\ufffd\u0005M\ufffdI\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000",
"port": 2049,
"service": "nfs",
"service_label_fr": "NFS"
},
"evidence_snippet": "\ufffd(\ufffdB`\ufffd\ufffdM\ufffdI",
"attack_vector": "nfs probe \u00b7 via NFS:2049 \u00b7 (sonde \/ probe)",
"target_port_label": "2049 \u00b7 NFS",
"emulator_service": "nfs",
"confidence_reason": "Confiance 69 % \u2014 Motif catalogue confirm\u00e9",
"site_display": {
"classification": null,
"classification_reason": "Type \u00ab nfs_probe \u00bb (signaux protocolaires) \u00b7 confiance 69%",
"classification_reason_label_fr": "Type \u00ab nfs_probe \u00bb (signaux protocolaires) \u00b7 confiance 69%",
"executive_one_liner_fr": "Activit\u00e9 suspecte \u00b7 risque 45\/100",
"confidence_pct": 69,
"confidence_breakdown": {
"waf": 8,
"classification": 52,
"behavior": 0,
"geo": 40,
"protocol": 30,
"novelty": 10,
"risk_score": 45
},
"attack_stage": "probe",
"attack_stage_label": "Sonde \/ probe",
"attack_chain_stage": "discovery",
"attack_chain_stage_label_fr": "D\u00e9couverte",
"risk_score": 45,
"risk_label": "Moyen",
"service_name": "nfs",
"service_label_fr": "NFS",
"dst_port": 2049,
"protocol_emulated": true,
"tags_summary": [
"pat-0532",
"INT-upstream"
],
"tags_summary_labels_fr": [
"pat-0532",
"Upstream"
],
"recommended_action": "monitor",
"recommended_action_label": "Surveiller",
"mitre": "TA0007",
"mitre_technique": "TA0007",
"persona_hostname": "mail.sensor-1.internal",
"persona_service_banner": "honeypot-nfs",
"correlation_flags": null,
"correlation_flags_labels_fr": null,
"sensor_role": "threat_intelligence",
"sensor_role_label_fr": "Renseignement menaces",
"confidence_hint_fr": null,
"protocol_details": {
"payload_preview": "\ufffd\u0000\u0000(\u0003\ufffdB`\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0002\u0000\u0001\ufffd\ufffd\u0005M\ufffdI\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000",
"port": 2049,
"service": "nfs",
"service_label_fr": "NFS"
},
"attack_vector": "nfs probe \u00b7 via NFS:2049 \u00b7 (sonde \/ probe)",
"evidence_snippet": "\ufffd(\ufffdB`\ufffd\ufffdM\ufffdI",
"target_port_label": "2049 \u00b7 NFS",
"emulator_service": "nfs",
"confidence_reason": "Confiance 69 % \u2014 Motif catalogue confirm\u00e9",
"confidence_factors_fr": "Confiance 69 % \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": "nfs",
"service_banner": "honeypot-nfs",
"service_os": "linux",
"dst_port": "2049"
},
"hostname": "mail.sensor-1.internal",
"sensor_id": "sensor-1",
"attack_chain_stage": "discovery",
"ban_policy": "advisory_monitor",
"tags_list": [
"mongodb_probe",
"net_nfs_probe",
"nfs_emulated",
"nfs_mount",
"nfs_payload",
"nfs_probe"
],
"asn_dc_heuristic": true
}
|