✄𐘗
text code block:
✄𐘗from logs-endpoint.events.network-* metadata _id, _index, _version
| mv_expand event.action
| where
    host.os.type == "linux" and
    event.type == "start" and
    event.action == "connection_attempted" and
    network.direction  == "egress" and
    destination.port < 32768 and
    not (
      cidr_match(destination.ip, "127.0.0.0/8", "::1", "FE80::/10", "FF00::/8") or
      process.name in ("java", "node") or
      process.name like "python*" or
      process.executable in (
        "/opt/dbtk/bin/jsvc", "/usr/lib/dotnet/dotnet", "/usr/sbin/haproxy", "/opt/kaspersky/kesl/libexec/kesl",
        "/usr/bin/dotnet", "/usr/sap/SAPBusinessOne/EDS/bin/EDFBackend", "/usr/local/bin/longhorn-instance-manager"
      ) or
      process.executable like "/var/opt/kaspersky/kesl/*kesl" or
      process.executable like "/opt/google/chrome*" or
      process.executable like "/snap/*" or
      process.executable like "/home/*/.local/share/JetBrains/*"
    )
| keep
    @timestamp,
    _id,
    _index,
    _version,
    host.os.type,
    event.type,
    event.action,
    network.direction,
    destination.port,
    process.executable,
    process.name,
    destination.ip,
    source.ip,
    agent.id,
    host.name,
    event.dataset,
    data_stream.namespace

| stats
    Esql.event_count = count(),
    Esql.destination_port_count_distinct = count_distinct(destination.port),
    Esql.agent_id_count_distinct = count_distinct(agent.id),
    Esql.host_name_values = values(host.name),
    Esql.agent_id_values = values(agent.id),
    Esql.source_ip_values = values(source.ip),
    Esql.event_dataset_values = values(event.dataset),
    Esql.data_stream_namespace_values = values(data_stream.namespace)
    by process.executable, destination.ip
| where
    Esql.agent_id_count_distinct == 1 and
    Esql.destination_port_count_distinct > 100
| sort Esql.event_count asc

// Extract unique values to ECS fields for alerts exclusion
| eval agent.id = mv_min(Esql.agent_id_values),
       host.name = mv_min(Esql.host_name_values)

| keep agent.id, host.name, process.executable, destination.ip, Esql.*