Méthode
—
Port
22
Chemin / cible
—
Pourquoi cette classification : Type « ssh_probe » (signaux protocolaires) · confiance 95%
Confiance classification
95%
Tactiques MITRE
TA0007
TA0001
Motifs de détection (base)
SSH-2.0 banner RFC4253
TFTP RRQ
User-Agent
—
Règles WAF
—
Payload (extrait)
SSH-2.0-Go
L��&��U5���;�c� curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diff
Requête brute (extrait)
SSH-2.0-Go L��&��U5���;�c� curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-
Meta JSON brut
{
"protocol_emulated": true,
"emulator_response": "5353482d322e302d4f70656e5353485f382e397031205562756e74752d347562756e7475302e360d0a",
"emulator_response_len": 41,
"bytes_in": 1372,
"payload_entropy": 4.858469984035706,
"port_category": "well_known",
"org": "LLC Vash Kredit Bank",
"service": "ssh",
"app_proto": "ssh",
"asn": 209630,
"country": "BG",
"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": 48,
"tag_count": 5,
"anomaly_count": 0,
"campaign_key": "9a91c35ff8553fc24795f9eaf93692ffdae1839c",
"event_fingerprint": "bc4e3fa786c83e0db7c1c892cb0c288f6b14388f",
"classification_reason": "Type \u00ab ssh_probe \u00bb (signaux protocolaires) \u00b7 confiance 95%",
"confidence": 0.95,
"classification_confidence": 0.95,
"precision_score": 83,
"precision_signals": [
"pat-0391",
"INT-upstream"
],
"kb_rule_ids": [
"pat-0391",
"INT-upstream"
],
"matched_patterns": [
"pat-0391",
"pat-0536"
],
"matched_pattern_names": [
"SSH-2.0 banner RFC4253",
"TFTP RRQ"
],
"pattern_ids": [
"pat-0391",
"pat-0536"
],
"confidence_breakdown": {
"waf": 8,
"classification": 50,
"behavior": 0,
"geo": 0,
"protocol": 36,
"novelty": 25,
"risk_score": 48
},
"named_classification_skipped": false,
"service_name": "ssh",
"risk_confidence_factor": 95,
"city": null,
"is_datacenter": false,
"is_tor_hint": false,
"geo": {
"country": "BG",
"asn": 209630,
"org": "LLC Vash Kredit Bank",
"is_datacenter": false,
"is_tor_hint": false
},
"fingerprint": {
"payload_hash": "34560f62418f82a0a54e61568000ca16",
"path_pattern_hash": "4368b1c212b6962fb95d1d1144451aca"
},
"target_context": {
"dst_port": 22,
"service": "ssh",
"service_name": "ssh",
"risk_score": 48
},
"payload_preview": "SSH-2.0-Go\r\n\u0000\u0000\u0005L\u0013\u0014\ufffd\u0095\ufffd&\ufffd\ufffdU5\ufffd\ufffd\ufffd;\ufffdc\ufffd\u0000\u0000\u0001\u0019curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diff",
"request_sample": "SSH-2.0-Go\r\n\u0000\u0000\u0005L\u0013\u0014\ufffd\u0095\ufffd&\ufffd\ufffdU5\ufffd\ufffd\ufffd;\ufffdc\ufffd\u0000\u0000\u0001\u0019curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-",
"payload_snippet": "SSH-2.0-Go\r\n\u0000\u0000\u0005L\u0013\u0014\ufffd\u0095\ufffd&\ufffd\ufffdU5\ufffd\ufffd\ufffd;\ufffdc\ufffd\u0000\u0000\u0001\u0019curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diff",
"evidence": {
"request_sample": "SSH-2.0-Go\r\n\u0000\u0000\u0005L\u0013\u0014\ufffd\u0095\ufffd&\ufffd\ufffdU5\ufffd\ufffd\ufffd;\ufffdc\ufffd\u0000\u0000\u0001\u0019curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-",
"payload_snippet": "SSH-2.0-Go\r\n\u0000\u0000\u0005L\u0013\u0014\ufffd\u0095\ufffd&\ufffd\ufffdU5\ufffd\ufffd\ufffd;\ufffdc\ufffd\u0000\u0000\u0001\u0019curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diff",
"classification_reason": "Type \u00ab ssh_probe \u00bb (signaux protocolaires) \u00b7 confiance 95%"
},
"attack_stage": "probe",
"mitre_tactics": [
"TA0007",
"TA0001"
],
"mitre_techniques": [
"T1046"
],
"mitre": "T1046",
"threat_family": [
"scanner"
],
"recommended_client_action": "monitor",
"policy_mode": "intelligence",
"sensor_role": "threat_intelligence",
"event_signature": "7c679ced95a3c3eceda5eb6896a71fe8dca829a5",
"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_monitor",
"tags_list": [
"net_ssh_probe",
"ssh_banner",
"ssh_emulated",
"ssh_kex_probe",
"ssh_libssh"
]
}
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