SentinelBrief
← Alert queue

23.91.96.159

Sensor
hp-use-01
Source
cowrie
Status
triaged
Event time
Received

Verdict

S1scanningConfidence 90%Escalate: no

Reasoning

The session did not involve any login attempts, commands executed, or file transfers. The activity appears to be background noise with no malicious intent detected.

Recommended action

Monitor for further activity from this IP address, but no immediate action is required.

Routing

Primary model
gpt-4o-mini
Final model
gpt-4o-mini
Escalated to strong model
no
Prompt version
triage-v4
Input tokens
1,574
Output tokens
92
Cost
$0.000291
Latency
1,800 ms
Verdict at
2026-10-04 11:40:16Z

Tool trace

  1. No tool calls were made.

Raw session JSON
{
  "events": [
    {
      "url": null,
      "uuid": "28d6f35e-aed5-11f1-a29a-0242ac120002",
      "input": null,
      "dst_ip": "172.18.0.2",
      "sensor": "hp-use-01",
      "shasum": null,
      "src_ip": "23.91.96.159",
      "eventid": "cowrie.session.connect",
      "message": "New connection: 23.91.96.159:45192 (172.18.0.2:2222) [session: 08df218a0f54]",
      "outfile": null,
      "session": "08df218a0f54",
      "version": null,
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 45192,
      "username": null,
      "timestamp": "2026-10-04T11:40:10.361689Z",
      "duration_ms": null
    },
    {
      "url": null,
      "uuid": "28d6f35e-aed5-11f1-a29a-0242ac120002",
      "input": null,
      "dst_ip": "172.18.0.2",
      "sensor": "hp-use-01",
      "shasum": null,
      "src_ip": "23.91.96.159",
      "eventid": "cowrie.client.version",
      "message": "Remote SSH version: SSH-2.0-libssh_0.7.4",
      "outfile": null,
      "session": "08df218a0f54",
      "version": "SSH-2.0-libssh_0.7.4",
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 45192,
      "username": null,
      "timestamp": "2026-10-04T11:40:11.674587Z",
      "duration_ms": null
    },
    {
      "url": null,
      "uuid": "28d6f35e-aed5-11f1-a29a-0242ac120002",
      "encCS": [
        "aes256-ctr",
        "aes192-ctr",
        "aes128-ctr",
        "aes256-cbc",
        "aes192-cbc",
        "aes128-cbc",
        "3des-cbc"
      ],
      "hassh": "e37f354a101aff5871ba233aa82b84ec",
      "input": null,
      "macCS": [
        "hmac-sha2-256",
        "hmac-sha2-512",
        "hmac-sha1"
      ],
      "compCS": [
        "none"
      ],
      "dst_ip": "172.18.0.2",
      "langCS": [
        ""
      ],
      "sensor": "hp-use-01",
      "shasum": null,
      "src_ip": "23.91.96.159",
      "eventid": "cowrie.client.kex",
      "kexAlgs": [
        "curve25519-sha256@libssh.org",
        "ecdh-sha2-nistp256",
        "diffie-hellman-group14-sha1",
        "diffie-hellman-group1-sha1"
      ],
      "keyAlgs": [
        "ssh-ed25519",
        "ecdsa-sha2-nistp256",
        "ecdsa-sha2-nistp384",
        "ecdsa-sha2-nistp521",
        "ssh-rsa",
        "ssh-dss"
      ],
      "message": "SSH client hassh fingerprint: e37f354a101aff5871ba233aa82b84ec",
      "outfile": null,
      "session": "08df218a0f54",
      "version": null,
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 45192,
      "username": null,
      "timestamp": "2026-10-04T11:40:12.216905Z",
      "duration_ms": null,
      "hasshAlgorithms": "curve25519-sha256@libssh.org,ecdh-sha2-nistp256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1;aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des-cbc;hmac-sha2-256,hmac-sha2-512,hmac-sha1;none"
    },
    {
      "url": null,
      "data": "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",
      "uuid": "28d6f35e-aed5-11f1-a29a-0242ac120002",
      "input": null,
      "dst_ip": "172.18.0.2",
      "sensor": "hp-use-01",
      "shasum": null,
      "src_ip": "23.91.96.159",
      "datalen": 360,
      "eventid": "cowrie.client.malformed_packet",
      "message": "Malformed SSH packet (message 50, 360 bytes); disconnecting",
      "outfile": null,
      "session": "08df218a0f54",
      "version": null,
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 45192,
      "username": null,
      "timestamp": "2026-10-04T11:40:15.899013Z",
      "messagenum": 50,
      "duration_ms": null
    },
    {
      "url": null,
      "uuid": "28d6f35e-aed5-11f1-a29a-0242ac120002",
      "input": null,
      "dst_ip": "172.18.0.2",
      "sensor": "hp-use-01",
      "shasum": null,
      "src_ip": "23.91.96.159",
      "eventid": "cowrie.session.closed",
      "message": "Connection lost after 5538 milliseconds",
      "outfile": null,
      "session": "08df218a0f54",
      "version": null,
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 45192,
      "username": null,
      "timestamp": "2026-10-04T11:40:15.899557Z",
      "duration_ms": 5538
    }
  ],
  "sensor": "hp-use-01",
  "source": "cowrie",
  "src_ip": "23.91.96.159",
  "session_id": "08df218a0f54"
}