Méthode
—
Port
995
Chemin / cible
—
Service
POP3S
Payload
USER anonymous
Pourquoi cette classification : Type « pop3_bruteforce » (signaux protocolaires) · confiance 95%
Confiance classification
95%
Risque capteur
Moyen
· 41
Confiance : Confiance 95 % — Motif catalogue confirmé
Protocole émulé
1
Signaux
Email Pop3 User
Tactiques MITRE
TA0007
TA0001
User-Agent
—
Règles WAF
—
Payload (extrait)
USER anonymous
Meta JSON brut
{
"protocol_emulated": true,
"emulator_response": "2b4f4b20504f503320686f6e6579706f742072656164790d0a",
"emulator_response_len": 25,
"bytes_in": 16,
"payload_entropy": 3.75,
"port_category": "well_known",
"org": "CHINA UNICOM China169 Backbone",
"service": "pop3s",
"app_proto": "pop3s",
"asn": 4837,
"country": "CN",
"dst_port": 995,
"risk_waf": 8,
"risk_classification": 66,
"risk_behavior": 0,
"risk_geo": 0,
"risk_protocol": 30,
"risk_novelty": 0,
"risk_boost": 0,
"risk_granularity": 1.5,
"risk_breakdown": {
"waf": 8,
"classification": 66,
"behavior": 0,
"geo": 0,
"protocol": 30,
"novelty": 0
},
"risk_score": 41,
"tag_count": 3,
"anomaly_count": 0,
"campaign_key": "a045725554802b155b752aa079c74e3a18af294a",
"event_fingerprint": "0353453bbb76e4d6b1b3ea18095b3c0820f92351",
"classification_reason": "Type \u00ab pop3_bruteforce \u00bb (signaux protocolaires) \u00b7 confiance 95%",
"confidence": 0.95,
"classification_confidence": 0.95,
"precision_score": 74,
"precision_signals": [
"INT-EMAIL-pop3-user"
],
"kb_rule_ids": [
"INT-EMAIL-pop3-user"
],
"confidence_breakdown": {
"waf": 8,
"classification": 66,
"behavior": 0,
"geo": 0,
"protocol": 30,
"novelty": 0,
"risk_score": 41
},
"named_classification_skipped": false,
"service_name": "pop3s",
"risk_confidence_factor": 95,
"city": null,
"is_datacenter": false,
"is_tor_hint": false,
"geo": {
"country": "CN",
"asn": 4837,
"org": "CHINA UNICOM China169 Backbone",
"is_datacenter": false,
"is_tor_hint": false
},
"fingerprint": {
"payload_hash": "0d14e8dd95e3e871a180c82e1bc78157",
"path_pattern_hash": "3f394465ae666f782f2351014fe4e7c6"
},
"target_context": {
"dst_port": 995,
"service": "pop3s",
"service_name": "pop3s",
"risk_score": 41
},
"payload_preview": "USER anonymous\r\n",
"request_sample": "USER anonymous\r\n",
"payload_snippet": "USER anonymous",
"evidence": {
"request_sample": "USER anonymous\r\n",
"payload_snippet": "USER anonymous",
"classification_reason": "Type \u00ab pop3_bruteforce \u00bb (signaux protocolaires) \u00b7 confiance 95%"
},
"attack_stage": "probe",
"mitre_tactics": [
"TA0007",
"TA0001"
],
"mitre_techniques": [
"T1110"
],
"mitre": "T1110",
"threat_family": [
"unknown"
],
"recommended_client_action": "monitor",
"policy_mode": "intelligence",
"sensor_role": "threat_intelligence",
"event_signature": "f722a339c1e6f1b614f7443b02a16b43253b07d8",
"protocol_details": {
"pop3_auth_fr": "Sonde protocole POP3 (USER\/PASS)",
"payload_preview": "USER anonymous",
"port": 995,
"service": "pop3s",
"service_label_fr": "POP3S"
},
"evidence_snippet": "USER anonymous",
"attack_vector": "pop3 bruteforce \u00b7 via POP3S:995 \u00b7 (sonde \/ probe)",
"target_port_label": "995 \u00b7 POP3S",
"emulator_service": "pop3s",
"confidence_reason": "Confiance 95 % \u2014 Motif catalogue confirm\u00e9",
"site_display": {
"classification": null,
"classification_reason": "Type \u00ab pop3_bruteforce \u00bb (signaux protocolaires) \u00b7 confiance 95%",
"classification_reason_label_fr": "Type \u00ab pop3_bruteforce \u00bb (signaux protocolaires) \u00b7 confiance 95%",
"executive_one_liner_fr": "Activit\u00e9 suspecte \u00b7 risque 41\/100",
"confidence_pct": 95,
"confidence_breakdown": {
"waf": 8,
"classification": 66,
"behavior": 0,
"geo": 0,
"protocol": 30,
"novelty": 0,
"risk_score": 41
},
"attack_stage": "probe",
"attack_stage_label": "Sonde \/ probe",
"attack_chain_stage": "discovery",
"attack_chain_stage_label_fr": "D\u00e9couverte",
"risk_score": 41,
"risk_label": "Moyen",
"service_name": "pop3s",
"service_label_fr": "POP3S",
"dst_port": 995,
"protocol_emulated": true,
"tags_summary": [
"INT-EMAIL-pop3-user"
],
"tags_summary_labels_fr": [
"Email Pop3 User"
],
"recommended_action": "monitor",
"recommended_action_label": "Surveiller",
"mitre": "T1110",
"mitre_technique": "T1110",
"persona_hostname": "mail.sensor-1.internal",
"persona_service_banner": "honeypot-pop3s",
"correlation_flags": null,
"correlation_flags_labels_fr": null,
"sensor_role": "threat_intelligence",
"sensor_role_label_fr": "Renseignement menaces",
"confidence_hint_fr": null,
"protocol_details": {
"pop3_auth_fr": "Sonde protocole POP3 (USER\/PASS)",
"payload_preview": "USER anonymous",
"port": 995,
"service": "pop3s",
"service_label_fr": "POP3S"
},
"attack_vector": "pop3 bruteforce \u00b7 via POP3S:995 \u00b7 (sonde \/ probe)",
"evidence_snippet": "USER anonymous",
"target_port_label": "995 \u00b7 POP3S",
"emulator_service": "pop3s",
"confidence_reason": "Confiance 95 % \u2014 Motif catalogue confirm\u00e9",
"confidence_factors_fr": "Confiance 95 % \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": "pop3s",
"service_banner": "honeypot-pop3s",
"service_os": "linux",
"dst_port": "995"
},
"hostname": "mail.sensor-1.internal",
"sensor_id": "sensor-1",
"attack_chain_stage": "discovery",
"matched_patterns": [],
"ban_policy": "advisory_monitor",
"tags_list": [
"net_pop3_probe",
"pop3_probe",
"pop3s_emulated"
]
}
|