SentinelBrief
← Alert queue

151.243.18.193

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

Verdict

S4successful_intrusionConfidence 97%Escalate: yes

Reasoning

The session shows a successful SSH login using credential pair admin/user1. Per rubric, any successful login constitutes a foothold and maps to successful_intrusion unless there is evidence of malware delivery or persistence. I checked post-login activity as required for successful logins; there were no commands and no downloads/uploads, so there is no evidence of follow-on recon, payload delivery, or persistence in this session. The very short duration suggests an automated or immediately terminated login, but the foothold was still achieved.

Recommended action

Escalate and review source IP activity around this time; verify whether the credential is exposed elsewhere, block or rate-limit the source, and confirm no related sessions showed post-login actions.

Routing

Primary model
gpt-4o-mini
Final model
gpt-5.4
Escalated to strong model
yes
Prompt version
triage-v4
Input tokens
4,637
Output tokens
280
Cost
$0.006570
Latency
7,686 ms
Verdict at
2026-11-07 21:16:45Z

Tool trace

  1. 0. get_session_commands· 0 ms

    Arguments
    {
  "session_id": "fe037737c5c2"
}
    Result
    {
  "commands": [],
  "downloads": [],
  "session_id": "fe037737c5c2",
  "command_count": 0,
  "download_count": 0,
  "clipped_commands": 0,
  "commands_truncated": false,
  "downloads_truncated": false
}
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": "151.243.18.193",
      "eventid": "cowrie.session.connect",
      "message": "New connection: 151.243.18.193:53178 (172.18.0.2:2222) [session: fe037737c5c2]",
      "outfile": null,
      "session": "fe037737c5c2",
      "version": null,
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 53178,
      "username": null,
      "timestamp": "2026-11-07T21:16:44.728052Z",
      "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": "151.243.18.193",
      "eventid": "cowrie.client.version",
      "message": "Remote SSH version: SSH-2.0-Go",
      "outfile": null,
      "session": "fe037737c5c2",
      "version": "SSH-2.0-Go",
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 53178,
      "username": null,
      "timestamp": "2026-11-07T21:16:44.729620Z",
      "duration_ms": null
    },
    {
      "url": null,
      "uuid": "28d6f35e-aed5-11f1-a29a-0242ac120002",
      "encCS": [
        "aes128-gcm@openssh.com",
        "aes256-gcm@openssh.com",
        "chacha20-poly1305@openssh.com",
        "aes128-ctr",
        "aes192-ctr",
        "aes256-ctr"
      ],
      "hassh": "16443846184eafde36765c9bab2f4397",
      "input": null,
      "macCS": [
        "hmac-sha2-256-etm@openssh.com",
        "hmac-sha2-512-etm@openssh.com",
        "hmac-sha2-256",
        "hmac-sha2-512",
        "hmac-sha1",
        "hmac-sha1-96"
      ],
      "compCS": [
        "none"
      ],
      "dst_ip": "172.18.0.2",
      "langCS": [
        ""
      ],
      "sensor": "hp-use-01",
      "shasum": null,
      "src_ip": "151.243.18.193",
      "eventid": "cowrie.client.kex",
      "kexAlgs": [
        "mlkem768x25519-sha256",
        "curve25519-sha256",
        "curve25519-sha256@libssh.org",
        "ecdh-sha2-nistp256",
        "ecdh-sha2-nistp384",
        "ecdh-sha2-nistp521",
        "diffie-hellman-group14-sha256",
        "diffie-hellman-group14-sha1",
        "ext-info-c",
        "kex-strict-c-v00@openssh.com"
      ],
      "keyAlgs": [
        "rsa-sha2-256-cert-v01@openssh.com",
        "rsa-sha2-512-cert-v01@openssh.com",
        "ssh-rsa-cert-v01@openssh.com",
        "ssh-dss-cert-v01@openssh.com",
        "ecdsa-sha2-nistp256-cert-v01@openssh.com",
        "ecdsa-sha2-nistp384-cert-v01@openssh.com",
        "ecdsa-sha2-nistp521-cert-v01@openssh.com",
        "ssh-ed25519-cert-v01@openssh.com",
        "ecdsa-sha2-nistp256",
        "ecdsa-sha2-nistp384",
        "ecdsa-sha2-nistp521",
        "rsa-sha2-256",
        "rsa-sha2-512",
        "ssh-rsa",
        "ssh-dss",
        "ssh-ed25519"
      ],
      "message": "SSH client hassh fingerprint: 16443846184eafde36765c9bab2f4397",
      "outfile": null,
      "session": "fe037737c5c2",
      "version": null,
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 53178,
      "username": null,
      "timestamp": "2026-11-07T21:16:44.733351Z",
      "duration_ms": null,
      "hasshAlgorithms": "mlkem768x25519-sha256,curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c,kex-strict-c-v00@openssh.com;aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr;hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-sha1-96;none"
    },
    {
      "url": null,
      "uuid": "28d6f35e-aed5-11f1-a29a-0242ac120002",
      "input": null,
      "dst_ip": "172.18.0.2",
      "sensor": "hp-use-01",
      "shasum": null,
      "src_ip": "151.243.18.193",
      "eventid": "cowrie.login.success",
      "message": "login attempt [admin/user1] succeeded",
      "outfile": null,
      "session": "fe037737c5c2",
      "version": null,
      "dst_port": 2222,
      "password": "user1",
      "protocol": "ssh",
      "src_port": 53178,
      "username": "admin",
      "timestamp": "2026-11-07T21:16:44.748279Z",
      "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": "151.243.18.193",
      "eventid": "cowrie.session.closed",
      "message": "Connection lost after 24 milliseconds",
      "outfile": null,
      "session": "fe037737c5c2",
      "version": null,
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 53178,
      "username": null,
      "timestamp": "2026-11-07T21:16:44.752523Z",
      "duration_ms": 24
    }
  ],
  "sensor": "hp-use-01",
  "source": "cowrie",
  "src_ip": "151.243.18.193",
  "session_id": "fe037737c5c2"
}