SentinelBrief
← Alert queue

77.91.71.55

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

Verdict

S1scanningConfidence 90%Escalate: no

Reasoning

The session shows no login attempts, successful or failed, and no commands were executed. The activity appears to be background noise with no engagement.

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
1,754
Output tokens
91
Cost
$0.000318
Latency
1,917 ms
Verdict at
2026-09-21 06:03:56Z

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": "77.91.71.55",
      "eventid": "cowrie.session.connect",
      "message": "New connection: 77.91.71.55:54664 (172.18.0.2:2222) [session: 167573c1d665]",
      "outfile": null,
      "session": "167573c1d665",
      "version": null,
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 54664,
      "username": null,
      "timestamp": "2026-09-21T06:03:56.474190Z",
      "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": "77.91.71.55",
      "eventid": "cowrie.client.version",
      "message": "Remote SSH version: \\x16\\x03\\x01\\x05\\xe2\\x01\\x00\\x05\\xde\\x03\\x03\\x1a\\xc6\\xf4\\xbe \\x1c!\\xea3\\xb0\\x1aT\\xbaz\\x90\\xd6qW\\xf3\\xdb\\xb9y\\x90KQ\\x91Fka/M\\x0b \\x9e\\xa9LBIe\\xddp/A\\xa2\\x06\\x1a\\xbe\\x96\\x94\\x1f\\xa5\\xfd[a\\x955\\xccDms\\xe6O-\\xfb\\xdb\\x002\\xc0+\\xc0/\\xc0,\\xc00\\xcc\\xa9\\xcc\\xa8\\xc0\\x09\\xc0\\x13\\xc0",
      "outfile": null,
      "session": "167573c1d665",
      "version": "\\x16\\x03\\x01\\x05\\xe2\\x01\\x00\\x05\\xde\\x03\\x03\\x1a\\xc6\\xf4\\xbe \\x1c!\\xea3\\xb0\\x1aT\\xbaz\\x90\\xd6qW\\xf3\\xdb\\xb9y\\x90KQ\\x91Fka/M\\x0b \\x9e\\xa9LBIe\\xddp/A\\xa2\\x06\\x1a\\xbe\\x96\\x94\\x1f\\xa5\\xfd[a\\x955\\xccDms\\xe6O-\\xfb\\xdb\\x002\\xc0+\\xc0/\\xc0,\\xc00\\xcc\\xa9\\xcc\\xa8\\xc0\\x09\\xc0\\x13\\xc0",
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 54664,
      "username": null,
      "timestamp": "2026-09-21T06:03:56.476218Z",
      "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": "77.91.71.55",
      "eventid": "cowrie.session.closed",
      "message": "Connection lost after 2 milliseconds",
      "outfile": null,
      "session": "167573c1d665",
      "version": null,
      "dst_port": 2222,
      "password": null,
      "protocol": "ssh",
      "src_port": 54664,
      "username": null,
      "timestamp": "2026-09-21T06:03:56.476718Z",
      "duration_ms": 2
    }
  ],
  "sensor": "hp-use-01",
  "source": "cowrie",
  "src_ip": "77.91.71.55",
  "session_id": "167573c1d665"
}