Méthode
—
Port
22
Chemin / cible
—
Service
SSH
Bannière SSH
SSH-2.0-libssh2_1.11.1 �4�\2a�iZ}�݀ < 9ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-…
Payload
SSH-2.0-libssh2_1.11.1 �4�\2a�iZ}�݀ < 9ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-
Pourquoi cette classification : Bannière client SSH reçue · confiance 100%
Confiance classification
100%
Risque capteur
Moyen
· 50
Confiance : Confiance 100 % — Motif catalogue confirmé
Protocole émulé
1
Signaux
Client SSH libssh/paramiko (scanner)
pat-0391
pat-0392
Upstream
Tactiques MITRE
TA0007
TA0001
Motifs de détection (base)
SSH-2.0 banner RFC4253
libssh banner
TFTP RRQ
User-Agent
—
Règles WAF
—
Payload (extrait)
SSH-2.0-libssh2_1.11.1
�4�\2a�iZ}�݀ < 9ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-
Requête brute (extrait)
SSH-2.0-libssh2_1.11.1 �4�\2a�iZ}�݀ < 9ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14
Meta JSON brut
{
"protocol_emulated": true,
"emulator_response": "5353482d322e302d4f70656e5353485f392e3670312044656269616e2d310d0a",
"emulator_response_len": 32,
"bytes_in": 1480,
"payload_entropy": 4.83772881074511,
"port_category": "well_known",
"org": "UNINET",
"service": "ssh",
"app_proto": "ssh",
"asn": 8151,
"country": "MX",
"dst_port": 22,
"risk_waf": 8,
"risk_classification": 50,
"risk_behavior": 0,
"risk_geo": 0,
"risk_protocol": 36,
"risk_novelty": 25,
"risk_boost": 0,
"risk_granularity": 5.3,
"risk_breakdown": {
"waf": 8,
"classification": 50,
"behavior": 0,
"geo": 0,
"protocol": 36,
"novelty": 25
},
"risk_score": 50,
"tag_count": 5,
"anomaly_count": 0,
"campaign_key": "9a91c35ff8553fc24795f9eaf93692ffdae1839c",
"event_fingerprint": "bc4e3fa786c83e0db7c1c892cb0c288f6b14388f",
"classification_reason": "Banni\u00e8re client SSH re\u00e7ue \u00b7 confiance 100%",
"confidence": 1,
"classification_confidence": 1,
"precision_score": 195,
"precision_signals": [
"INT-ssh-libssh-ua",
"pat-0391",
"pat-0392",
"INT-upstream"
],
"kb_rule_ids": [
"INT-ssh-libssh-ua",
"pat-0391",
"pat-0392",
"INT-upstream"
],
"matched_patterns": [
"pat-0391",
"pat-0392",
"pat-0536"
],
"matched_pattern_names": [
"SSH-2.0 banner RFC4253",
"libssh banner",
"TFTP RRQ"
],
"pattern_ids": [
"pat-0391",
"pat-0392",
"pat-0536"
],
"confidence_breakdown": {
"waf": 8,
"classification": 50,
"behavior": 0,
"geo": 0,
"protocol": 36,
"novelty": 25,
"risk_score": 50
},
"named_classification_skipped": false,
"service_name": "ssh",
"risk_confidence_factor": 100,
"city": null,
"is_datacenter": false,
"is_tor_hint": false,
"geo": {
"country": "MX",
"asn": 8151,
"org": "UNINET",
"is_datacenter": false,
"is_tor_hint": false
},
"fingerprint": {
"payload_hash": "cade49538a9fb31278f2b93bfef56f36",
"path_pattern_hash": "4368b1c212b6962fb95d1d1144451aca"
},
"target_context": {
"dst_port": 22,
"service": "ssh",
"service_name": "ssh",
"risk_score": 50
},
"payload_preview": "SSH-2.0-libssh2_1.11.1\r\n\u0000\u0000\u0005\ufffd\u0005\u00144\ufffd\u0005\\2a\ufffdiZ}\ufffd\u0740\t<\u0000\u0000\u00019ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-",
"request_sample": "SSH-2.0-libssh2_1.11.1\r\n\u0000\u0000\u0005\ufffd\u0005\u00144\ufffd\u0005\\2a\ufffdiZ}\ufffd\u0740\t<\u0000\u0000\u00019ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14",
"payload_snippet": "SSH-2.0-libssh2_1.11.1\r\n\u0000\u0000\u0005\ufffd\u0005\u00144\ufffd\u0005\\2a\ufffdiZ}\ufffd\u0740\t<\u0000\u0000\u00019ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-",
"evidence": {
"request_sample": "SSH-2.0-libssh2_1.11.1\r\n\u0000\u0000\u0005\ufffd\u0005\u00144\ufffd\u0005\\2a\ufffdiZ}\ufffd\u0740\t<\u0000\u0000\u00019ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14",
"payload_snippet": "SSH-2.0-libssh2_1.11.1\r\n\u0000\u0000\u0005\ufffd\u0005\u00144\ufffd\u0005\\2a\ufffdiZ}\ufffd\u0740\t<\u0000\u0000\u00019ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-",
"classification_reason": "Banni\u00e8re client SSH re\u00e7ue \u00b7 confiance 100%"
},
"attack_stage": "probe",
"mitre_tactics": [
"TA0007",
"TA0001"
],
"mitre_techniques": [
"T1046",
"T1595"
],
"mitre": "T1046",
"threat_family": [
"scanner"
],
"recommended_client_action": "investigate",
"policy_mode": "intelligence",
"sensor_role": "threat_intelligence",
"event_signature": "48517d9147fb4d31b5e2f91f03a1f32d951e918f",
"protocol_details": {
"ssh_banner": "SSH-2.0-libssh2_1.11.1\r\n\u0000\u0000\u0005\ufffd\u0005\u00144\ufffd\u0005\\2a\ufffdiZ}\ufffd\u0740\t<\u0000\u0000\u00019ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-",
"payload_preview": "SSH-2.0-libssh2_1.11.1\r\n\u0000\u0000\u0005\ufffd\u0005\u00144\ufffd\u0005\\2a\ufffdiZ}\ufffd\u0740\t<\u0000\u0000\u00019ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-",
"port": 22,
"service": "ssh",
"service_label_fr": "SSH"
},
"evidence_snippet": "SSH-2.0-libssh2_1.11.1\r\n\ufffd4\ufffd\\2a\ufffdiZ}\ufffd\u0740\t<9ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-",
"attack_vector": "Sonde SSH \u00b7 via SSH:22 \u00b7 (sonde \/ probe)",
"target_port_label": "22 \u00b7 SSH",
"emulator_service": "ssh",
"confidence_reason": "Confiance 100 % \u2014 Motif catalogue confirm\u00e9",
"site_display": {
"classification": null,
"classification_reason": "Banni\u00e8re client SSH re\u00e7ue \u00b7 confiance 100%",
"classification_reason_label_fr": "Banni\u00e8re client SSH re\u00e7ue \u00b7 confiance 100%",
"executive_one_liner_fr": "Activit\u00e9 suspecte \u2014 risque 50\/100 (Moyen) \u2014 MITRE T1046 \u2014 confiance 100 % \u2014 via SSH",
"confidence_pct": 100,
"confidence_breakdown": {
"waf": 8,
"classification": 50,
"behavior": 0,
"geo": 0,
"protocol": 36,
"novelty": 25,
"risk_score": 50
},
"attack_stage": "probe",
"attack_stage_label": "Sonde \/ probe",
"attack_chain_stage": "discovery",
"attack_chain_stage_label_fr": "D\u00e9couverte",
"risk_score": 50,
"risk_label": "Moyen",
"service_name": "ssh",
"service_label_fr": "SSH",
"dst_port": 22,
"protocol_emulated": true,
"tags_summary": [
"INT-ssh-libssh-ua",
"pat-0391",
"pat-0392",
"INT-upstream"
],
"tags_summary_labels_fr": [
"Client SSH libssh\/paramiko (scanner)",
"pat-0391",
"pat-0392",
"Upstream"
],
"recommended_action": "investigate",
"recommended_action_label": "Investiguer",
"mitre": "T1046",
"mitre_technique": "T1046",
"persona_hostname": "mail.sensor-1.internal",
"persona_service_banner": "OpenSSH_8.9p1 Ubuntu",
"correlation_flags": null,
"correlation_flags_labels_fr": null,
"sensor_role": "threat_intelligence",
"sensor_role_label_fr": "Renseignement menaces",
"confidence_hint_fr": null,
"protocol_details": {
"ssh_banner": "SSH-2.0-libssh2_1.11.1\r\n\u0000\u0000\u0005\ufffd\u0005\u00144\ufffd\u0005\\2a\ufffdiZ}\ufffd\u0740\t<\u0000\u0000\u00019ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-",
"payload_preview": "SSH-2.0-libssh2_1.11.1\r\n\u0000\u0000\u0005\ufffd\u0005\u00144\ufffd\u0005\\2a\ufffdiZ}\ufffd\u0740\t<\u0000\u0000\u00019ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-",
"port": 22,
"service": "ssh",
"service_label_fr": "SSH"
},
"attack_vector": "Sonde SSH \u00b7 via SSH:22 \u00b7 (sonde \/ probe)",
"evidence_snippet": "SSH-2.0-libssh2_1.11.1\r\n\ufffd4\ufffd\\2a\ufffdiZ}\ufffd\u0740\t<9ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-",
"target_port_label": "22 \u00b7 SSH",
"emulator_service": "ssh",
"confidence_reason": "Confiance 100 % \u2014 Motif catalogue confirm\u00e9",
"confidence_factors_fr": "Confiance 100 % \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": "ssh",
"service_banner": "OpenSSH_8.9p1 Ubuntu",
"service_os": "linux",
"dst_port": "22"
},
"hostname": "mail.sensor-1.internal",
"sensor_id": "sensor-1",
"attack_chain_stage": "discovery",
"ban_policy": "advisory_investigate",
"tags_list": [
"net_ssh_probe",
"ssh_banner",
"ssh_emulated",
"ssh_kex_probe",
"ssh_libssh"
]
}
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