SentryPeer v4.0.5

#### SentryPeer Node a SentryPeerHQ```mermaid
sequenceDiagram
    actor A as Attacker
    participant S as SentryPeer Node
    participant DS as Data Store
    participant HQ as SentryPeerHQ
    Note over DS: sqlite/json log/syslog (if enabled)
    Note over HQ: OAuth2 creds required.<br/> if using https://sentrypeer.com
    A->>S: SIP probe OPTIONS/REGISTER/etc
    S->>DS: Save event
    S->>HQ: Send event
    HQ->>S: 201 Created
    S->>A: 200 OK
    A->>S: INVITE sip:00046500729221@

#### Integrazione con i tuoi sistemi```mermaid
sequenceDiagram
    participant D as Device
    participant P as PBX/ITSP/Carrier
    participant HQ as SentryPeer Node/HQ API
    participant N as NOC
    Note over P: Integration with <br/>SentryPeer needed
    Note over N: Consumes alerts
    Note over HQ: OAuth2 creds required<br/> if using SentryPeerHQ
    Note over P,HQ: API rate limiting if using SentryPeerHQ
    D->>P: SIP INVITE
    P->>HQ: Have you seen attackers call this number?
    HQ->>P: Yes, this has been seen on SentryPeer Nodes
    HQ->>N: WebHook/Email/Slack
    Note over HQ,N: Only if using SentryPeerHQ
    P->>D: I'm blocking this call. Sorry

sudo docker build --no-cache -t sentrypeer .
sudo docker run -d -p 5060:5060/tcp -p 5061:5061/tcp -p 5060:5060/udp -p 8082:8082 -p 4222:4222/udp sentrypeer:latest

ENV SENTRYPEER_CONFIG_FILE=/my/location/sentrypeer.toml
ENV SENTRYPEER_DB_FILE=/my/location/sentrypeer.db
ENV SENTRYPEER_API=1
ENV SENTRYPEER_WEBHOOK=1
ENV SENTRYPEER_WEBHOOK_URL=https://my.webhook.url/events
ENV SENTRYPEER_OAUTH2_CLIENT_ID=1234567890
ENV SENTRYPEER_OAUTH2_CLIENT_SECRET=1234567890
ENV SENTRYPEER_SIP_RESPONSIVE=1
ENV SENTRYPEER_SIP_DISABLE=1
ENV SENTRYPEER_SYSLOG=1
ENV SENTRYPEER_PEER_TO_PEER=1
ENV SENTRYPEER_BOOTSTRAP_NODE=mybootstrapnode.com
ENV SENTRYPEER_JSON_LOG=1
ENV SENTRYPEER_JSON_LOG_FILE=/my/location/sentrypeer_json.log
ENV SENTRYPEER_VERBOSE=1
ENV SENTRYPEER_DEBUG=1
ENV SENTRYPEER_CERT=/my/location/sentrypeer-crt.pem
ENV SENTRYPEER_KEY=/my/location/sentrypeer-key.pem
ENV SENTRYPEER_TLS_LISTEN_ADDRESS=0.0.0.0:5061

Se non li imposti, un certificato per localhost verrà generato automaticamente nella directory da cui viene eseguito sentrypeer, creando un file `cert.pem` e un file `key.pem`.

### Installation
 
I pacchetti per Debian o Fedora sono sempre disponibili dalla pagina di rilascio per la versione corrente di SentryPeer:

   https://github.com/SentryPeer/SentryPeer/releases

#### Homebrew (macOS o Linux):

Abbiamo un [Homebrew Tap per questo progetto](https://github.com/SentryPeer/homebrew-sentrypeer) (finché non diventiamo più popolari):

    brew tap sentrypeer/sentrypeer
    brew install sentrypeer

#### Alpine Linux:

SentryPeer è in [test su Alpine Linux](https://gitlab.alpinelinux.org/alpine/aports/-/tree/master/testing/sentrypeer), quindi puoi installarlo con il seguente comando:

    apk -U add --no-cache -X https://dl-cdn.alpinelinux.org/alpine/edge/testing sentrypeer

#### Pacchetto Ubuntu

Puoi installare SentryPeer dal [nostro PPA Ubuntu](https://launchpad.net/~gavinhenry/+archive/ubuntu/sentrypeer) che al momento è per Ubuntu 20 LTS (Focal Fossa):

    sudo apt install software-properties-common
    sudo add-apt-repository ppa:gavinhenry/sentrypeer
    sudo apt-get update

Questo PPA può essere aggiunto manualmente al tuo sistema copiando le righe seguenti e aggiungendole alle origini del software del tuo sistema:

    deb https://ppa.launchpadcontent.net/gavinhenry/sentrypeer/ubuntu focal main 
    deb-src https://ppa.launchpadcontent.net/gavinhenry/sentrypeer/ubuntu focal main

Poi puoi installare SentryPeer:

    sudo apt-get install sentrypeer

#### Compilazione da sorgente

Hai due opzioni per l'installazione da sorgente. CMake o autotools. Autotools è consigliato al momento. Un rilascio è una build autotools.

Se sei un utente Fedora, puoi installarlo tramite [Fedora copr](https://copr.fedorainfracloud.org/coprs/):

[https://copr.fedorainfracloud.org/coprs/ghenry/SentryPeer/](https://copr.fedorainfracloud.org/coprs/ghenry/SentryPeer/)

Se intendi compilare da questo repository, avrai bisogno di avere installato quanto segue:

  - `git`, `autoconf`, `automake` e `autoconf-archive` (Debian/Ubuntu)
  - `libtool`, `rustc` e `cargo` (Fedora)
  - `libosip2-dev` (Debian/Ubuntu) o `libosip2-devel` (Fedora)
  - `libsqlite3-dev` (Debian/Ubuntu) o `sqlite-devel` (Fedora)
  - `uuid-dev` (Debian/Ubuntu) o `libuuid-devel` (Fedora)
  - `libmicrohttpd-dev` (Debian/Ubuntu) o `libmicrohttpd-devel` (Fedora)
  - `libjansson-dev` (Debian/Ubuntu) o `jansson-devel` (Fedora)
  - `libpcre2-dev` (Debian/Ubuntu) o `pcre2-devel` (Fedora)
  - `libcurl-dev` (Debian/Ubuntu) o `libcurl-devel` (Fedora)
  - `libcmocka-dev` (Debian/Ubuntu) o `libcmocka-devel` (Fedora) - per i test unitari

Debian/Ubuntu:

    sudo apt-get install git build-essential clang autoconf-archive autoconf \
    automake libtool cmake libosip2-dev libsqlite3-dev libcmocka-dev uuid-dev \
    libcurl4-openssl-dev libpcre2-dev libjansson-dev libmicrohttpd-dev libclang-dev

Fedora:

    sudo dnf install git clang pkg-config autoconf automake autoconf-archive \ 
    libtool libosip2-devel libsqlite3-devel libcmocka-devel libuuid-devel \
    libmicrohttpd-devel jansson-devel libcurl-devel pcre2-devel cmake \
    clang-libs clang

macOS:

    brew install git libtool autoconf automake autoconf-archive libosip cmocka \
    libmicrohttpd jansson curl pcre2 pkg-config opendht ossp-uuid cmake 

Rust:

    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

poi (make check è altamente consigliato):

    ./bootstrap.sh
    ./configure
    make
    make check
    make install

CMake:

    cmake -S . -B build -DUNIT_TESTING=ON
    cmake --build build
    ctest --test-dir build
    cmake --install build

### Esecuzione di SentryPeer

Una volta compilato, puoi eseguire in questo modo per avviare in **modalità debug**, **rispondere** ai probe SIP, abilitare l'**API RESTful**, abilitare i WebHook e abilitare il logging syslog ([usa un pacchetto](https://github.com/SentryPeer/SentryPeer/releases) se vuoi [systemd](https://www.freedesktop.org/wiki/Software/systemd/)):

    ./sentrypeer -draps
    SentryPeer node id: e5ac3a88-3d52-4e84-b70c-b2ce83992d02
    Starting sentrypeer...
    API mode enabled, starting http daemon...
    SIP mode enabled...
    Peer to Peer DHT mode enabled...
    Starting peer to peer DHT mode using OpenDHT-C lib version '2.4.0'...
    Configuring local address...
    Creating sockets...
    Binding sockets to local address...
    Listening for incoming UDP connections...
    SIP responsive mode enabled. Will reply to SIP probes...
    Listening for incoming TCP connections...
    Peer to peer DHT mode started.
    DHT InfoHash for key 'bad_actors' is: 14d30143330e2e0e922ed4028a60ff96a59800ad
    Bootstrapping the DHT
    Waiting 5 seconds for bootstrapping to bootstrap.sentrypeer.org...
    Listening for changes to the bad_actors DHT key

quando ricevi una richiesta di probe, puoi vedere qualcosa come il seguente nel terminale:```bash
Received (411 bytes): OPTIONS sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 91.223.3.152:5173;branch=z9hG4bK-515761064;rport
Content-Length: 0
From: "sipvicious"<sip:[email protected]>;tag=6434396633623535313363340131363131333837383137
Accept: application/sdp
User-Agent: friendly-scanner
To: "sipvicious"<sip:[email protected]>
Contact: sip:[email protected]:5173
CSeq: 1 OPTIONS
Call-ID: 679894155883566215079442
Max-Forwards: 70


read_packet_buf size is: 1024: 
read_packet_buf length is: 468: 
bytes_received size is: 411: 

Bad Actor is:
Event Timestamp: 2021-11-23 20:13:36.427515810
Event UUID: fac3fa20-8c2c-445b-8661-50a70fa9e873
SIP Message: OPTIONS sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 91.223.3.152:5173;branch=z9hG4bK-515761064;rport
From: "sipvicious" <sip:[email protected]>;tag=6434396633623535313363340131363131333837383137
To: "sipvicious" <sip:[email protected]>
Call-ID: 679894155883566215079442
CSeq: 1 OPTIONS
Contact: <sip:[email protected]:5173>
Accept: application/sdp
User-agent: friendly-scanner
Max-forwards: 70
Content-Length: 0


Source IP: 193.107.216.27
Called Number: 100
SIP Method: OPTIONS
Transport Type: UDP
User Agent: friendly-scanner
Collected Method: responsive
Created by Node Id: fac3fa20-8c2c-445b-8661-50a70fa9e873
SentryPeer db file location is: sentrypeer.db
Destination IP address of UDP packet is: xx.xx.xx.xx

#### Endpoint /ip-addresses

Elenca tutti gli indirizzi IP che sono stati visti da SentryPeer:```bash
curl -v -H "Content-Type: application/json" http://localhost:8082/ip-addresses

* Connected to localhost (127.0.0.1) port 8082 (#0)
> GET /ip-addresses HTTP/1.1
> Host: localhost:8082
> User-Agent: curl/7.79.1
> Accept: */*
> Content-Type: application/json
> 
* Mark bundle as not supporting multiuse
< HTTP/1.1 200 OK
< Date: Mon, 24 Jan 2022 11:17:05 GMT
< Content-Type: application/json
< Access-Control-Allow-Origin: *
< X-Powered-By: SentryPeer
< X-SentryPeer-Version: 1.0.0
< Content-Length: 50175
< 
{
  "ip_addresses_total": 396,
  "ip_addresses": [
    {
      "ip_address": "193.107.216.27",
      "seen_last": "2022-01-11 13:30:48.703603359",
      "seen_count":	"1263"
    },
    {
      "ip_address": "193.46.255.152"
      "seen_last": "2022-01-11 13:28:27.348926406",
      "seen_count": "3220"      
    }
    ...
  ]
}

#### Endpoint /numbers

Elenca tutti i numeri chiamati che sono stati visti da SentryPeer:```bash
curl -v -H "Content-Type: application/json" http://localhost:8082/numbers

* Connected to localhost (127.0.0.1) port 8082 (#0)
> GET /numbers HTTP/1.1
> Host: localhost:8082
> User-Agent: curl/8.0.1
> Accept: */*
> Content-Type: application/json
< Date: Thu, 27 Jul 2023 11:10:35 GMT
< Content-Type: application/json
< Access-Control-Allow-Origin: *
< X-Powered-By: SentryPeer
< X-SentryPeer-Version: 4.0.0
< Content-Length: 31746258


 {
  "called_numbers_total": 244850,
  "called_numbers": [
    {
      "called_number": "981046500729221",
      "seen_last": "2023-07-27 12:06:59.388055505",
      "seen_count": "451"
    },
    {
      "called_number": "81046500729221",
      "seen_last": "2023-07-27 12:05:19.206442003",
      "seen_count": "453"
    },
    {
      "called_number": "100",
      "seen_last": "2023-07-27 11:59:57.679798597",
      "seen_count": "17335"
    },
    ....

### Syslog e Fail2ban

Con `sentrypeer -s`, analizzi il syslog e usi Fail2Ban per bloccare l'indirizzo IP dell'attore malintenzionato:```syslog
Nov 30 21:32:16 localhost.localdomain sentrypeer[303741]: Source IP: 144.21.55.36, Method: OPTIONS, Agent: sipsak 0.9.7

### Opzioni della riga di comando```bash
./sentrypeer -h
Protect your SIP Servers from bad actors at https://sentrypeer.com

Usage: sentrypeer [OPTIONS]

Options:
  -f <DB_FILE>                 Set 'sentrypeer.db' location or use SENTRYPEER_DB_FILE env
  -j                           Enable json logging or use SENTRYPEER_JSON_LOG env
  -p                           Enable Peer to Peer mode or use SENTRYPEER_PEER_TO_PEER env
  -b <BOOTSTRAP_NODE>          Set Peer to Peer bootstrap node or use SENTRYPEER_BOOTSTRAP_NODE env
  -i <CLIENT_ID>               Set OAuth 2 client ID or use SENTRYPEER_OAUTH2_CLIENT_ID env to get a Bearer token for WebHook
  -c <CLIENT_SECRET>           Set OAuth 2 client secret or use SENTRYPEER_OAUTH2_CLIENT_SECRET env to get a Bearer token for WebHook
  -a                           Enable RESTful API mode or use SENTRYPEER_API env
  -w <WEBHOOK_URL>             Set WebHook URL for bad actor json POSTs or use SENTRYPEER_WEBHOOK_URL env
  -r                           Enable SIP responsive mode or use SENTRYPEER_SIP_RESPONSIVE env
  -R                           Disable SIP mode completely or use SENTRYPEER_SIP_DISABLE env
  -l <JSON_LOG_FILE>           Set JSON logfile (default './sentrypeer_json.log') location or use SENTRYPEER_JSON_LOG_FILE env
  -N                           Disable Rust powered TCP, UDP and TLS or use SENTRYPEER_TLS_DISABLE env
  -t <TLS_CERT_FILE>           Set TLS cert location (default './cert.pem') or use SENTRYPEER_CERT env
  -k <TLS_KEY_FILE>            Set TLS key location (default './key.pem') or use SENTRYPEER_KEY env
  -z <TLS_LISTEN_ADDRESS>      Set TLS listen address (default '0.0.0.0:5061') or use SENTRYPEER_TLS_LISTEN_ADDRESS env
  -g <CONFIG_FILE>             Set config file location or use SENTRYPEER_CONFIG_FILE env
  -s                           Enable syslog logging or use SENTRYPEER_SYSLOG env
  -v                           Enable verbose logging or use SENTRYPEER_VERBOSE env
  -d                           Enable debug mode or use SENTRYPEER_DEBUG env
  -h, --help                   Print help
  -V, --version                Print version

Addresses: FF0X:0:0:0:0:0:0:172
Description: SentryPeer
Contact: Gavin Henry <ghenry at sentrypeer.org>
Registration Date: 2022-01-26