Features

An OOB interaction gathering server and client library

Features • Usage • Interactsh Client • Interactsh Server • Interactsh Integration • Join Discord

Interactsh is an open-source tool for detecting out-of-band interactions. It is a tool designed to detect vulnerabilities that cause external interactions.

Features

DNS/HTTP(S)/SMTP(S)/LDAP Interaction
CLI / Web / Burp / ZAP / Docker client
AES encryption with zero logging
Automatic ACME based Wildcard TLS w/ Auto Renewal
DNS Entries for Cloud Metadata service
Dynamic HTTP Response control
Self-Hosted Interactsh Server
Multiple domain support (self-hosted)
NTLM/SMB/FTP(S)/RESPONDER Listener (self-hosted)
Wildcard / Protected Interactions (self-hosted)
Customizable Index / File hosting (self-hosted)
Customizable Payload Length (self-hosted)
Custom SSL Certificate (self-hosted)

Interactsh Client

Usage

interactsh-client -h

This will display help for the tool. Here are all the switches it supports.

Usage:
  ./interactsh-client [flags]

Flags:
INPUT:
   -s, -server string  interactsh server(s) to use (default "oast.pro,oast.live,oast.site,oast.online,oast.fun,oast.me")

CONFIG:
   -config string                           flag configuration file (default "$HOME/.config/interactsh-client/config.yaml")
   -n, -number int                          number of interactsh payload to generate (default 1)
   -t, -token string                        authentication token to connect protected interactsh server
   -pi, -poll-interval int                  poll interval in seconds to pull interaction data (default 5)
   -nf, -no-http-fallback                   disable http fallback registration
   -cidl, -correlation-id-length int        length of the correlation id preamble (default 20)
   -cidn, -correlation-id-nonce-length int  length of the correlation id nonce (default 13)
   -sf, -session-file string                store/read from session file

FILTER:
   -m, -match string[]   match interaction based on the specified pattern
   -f, -filter string[]  filter interaction based on the specified pattern
   -dns-only             display only dns interaction in CLI output
   -http-only            display only http interaction in CLI output
   -smtp-only            display only smtp interactions in CLI output

UPDATE:
   -up, -update                 update interactsh-client to latest version
   -duc, -disable-update-check  disable automatic interactsh-client update check
   
OUTPUT:
   -o string                         output file to write interaction data
   -json                             write output in JSONL(ines) format
   -ps, -payload-store               enable storing generated interactsh payload to file
   -psf, -payload-store-file string  store generated interactsh payloads to given file (default "interactsh_payload.txt")
   -v                                display verbose interaction

DEBUG:
   -version            show version of the project
   -health-check, -hc  run diagnostic check up

Interactsh CLI Client

Interactsh Cli client requires go1.20+ to install successfully. Run the following command to get the repo -

go install -v github.com/projectdiscovery/interactsh/cmd/interactsh-client@latest

Default Run

This will generate a unique payload that can be used for OOB testing with minimal interaction information in the output.

interactsh-client

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ v0.0.5

        projectdiscovery.io

[INF] Listing 1 payload for OOB Testing
[INF] c23b2la0kl1krjcrdj10cndmnioyyyyyn.oast.pro

[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received DNS interaction (A) from 172.253.226.100 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received DNS interaction (AAAA) from 32.3.34.129 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received HTTP interaction from 43.22.22.50 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received DNS interaction (MX) from 43.3.192.3 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received DNS interaction (TXT) from 74.32.183.135 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received SMTP interaction from 32.85.166.50 at 2021-26-26 12:26

Session File

interactsh-client with -sf, -session-file flag can be used store/read the current session information from user defined file which is useful to resume the same session to poll the interactions even after the client gets stopped or closed.

interactsh-client -sf interact.session

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ 1.0.3

        projectdiscovery.io

[INF] Listing 1 payload for OOB Testing
[INF] c23b2la0kl1krjcrdj10cndmnioyyyyyn.oast.pro

[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received DNS interaction (A) from 172.253.226.100 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received DNS interaction (AAAA) from 32.3.34.129 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received HTTP interaction from 43.22.22.50 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received DNS interaction (MX) from 43.3.192.3 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received DNS interaction (TXT) from 74.32.183.135 at 2021-26-26 12:26
[c23b2la0kl1krjcrdj10cndmnioyyyyyn] Received SMTP interaction from 32.85.166.50 at 2021-26-26 12:26

Verbose Mode

Running the interactsh-client in verbose mode (v) to see the whole request and response, along with an output file to analyze afterwards.

interactsh-client -v -o interactsh-logs.txt

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ 1.0.3

    projectdiscovery.io

[INF] Listing 1 payload for OOB Testing
[INF] c58bduhe008dovpvhvugcfemp9yyyyyyn.oast.pro

[c58bduhe008dovpvhvugcfemp9yyyyyyn] Received HTTP interaction from 103.22.142.211 at 2021-09-26 18:08:07
------------
HTTP Request
------------

GET /favicon.ico HTTP/2.0
Host: c58bduhe008dovpvhvugcfemp9yyyyyyn.oast.pro
Referer: https://c58bduhe008dovpvhvugcfemp9yyyyyyn.oast.pro
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36


-------------
HTTP Response
-------------

HTTP/1.1 200 OK
Connection: close
Content-Type: text/html; charset=utf-8
Server: oast.pro

<html><head></head><body>nyyyyyy9pmefcguvhvpvod800ehudb85c</body></html>

Using Self-Hosted server

Using the server flag, interactsh-client can be configured to connect with a self-hosted Interactsh server, this flag accepts single or multiple server separated by comma.

interactsh-client -server hackwithautomation.com

We maintain a list of default Interactsh servers to use with interactsh-client:

oast.pro
oast.live
oast.site
oast.online
oast.fun
oast.me

Default servers are subject to change/rotate/down at any time, thus we recommend using a self-hosted interactsh server if you are experiencing issues with the default server.

Using Protected Self-Hosted server

Using the token flag, interactsh-client can connect to a self-hosted Interactsh server that is protected with authentication.

interactsh-client -server hackwithautomation.com -token XXX

Using with Notify

If you are away from your terminal, you may use notify to send a real-time interaction notification to any supported platform.

interactsh-client | notify

Interactsh Web Client

Interactsh-web is a free and open-source web client that displays Interactsh interactions in a well-managed dashboard in your browser. It uses the browser's local storage to store and display all incoming interactions. By default, the web client is configured to use interact.sh as default interactsh server, and supports other self-hosted public/authencaited interactsh servers as well.

A hosted instance of interactsh-web client is available at https://app.interactsh.com

Interactsh Docker Client

A Docker image is also provided with interactsh client that is ready to run and can be used in the following way:

docker run projectdiscovery/interactsh-client:latest

docker run projectdiscovery/interactsh-client:latest

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ v1.0.0

        projectdiscovery.io

[INF] Listing 1 payload for OOB Testing
[INF] c59e3crp82ke7bcnedq0cfjqdpeyyyyyn.oast.pro

Burp Suite Extension

interactsh-collaborator is Burp Suite extension developed and maintained by @wdahlenb

Download latest JAR file from releases page.
Open Burp Suite → Extender → Add → Java → Select JAR file → Next
New tab named Interactsh will be appeared upon successful installation.
See the interactsh-collaborator project for more info.

OWASP ZAP Add-On

Interactsh can be used with OWASP ZAP via the OAST add-on for ZAP. With ZAP's scripting capabilities, you can create powerful out-of-band scan rules that leverage Interactsh's features. A standalone script template has been provided as an example (it is added automatically when you install the add-on).

Install the OAST add-on from the ZAP Marketplace.
Go to Tools → Options → OAST and select Interactsh.
Configure the options for the client and click on "New Payload" to generate a new payload.
OOB interactions will appear in the OAST Tab and you can click on any of them to view the full request and response.
You can set Interactsh as the default for ActiveScan in the Options > OAST > General menu.
When checking the Use Permanent Database option, you can review interactions that occurred after ZAP was terminated.
See the OAST add-on documentation for more info.

Interactsh in ZAP

Options > OAST > General

Interactsh Server

Interactsh server runs multiple services and captures all the incoming requests. To host an instance of interactsh-server, you are required to setup:

Domain name with custom host names and nameservers.
Basic droplet running 24/7 in the background.

Usage

interactsh-server -h

This will display help for the tool. Here are all the switches it supports.

Usage:
  ./interactsh-server [flags]

Flags:
INPUT:
   -d, -domain string[]                     single/multiple configured domain to use for server
   -ip string                               public ip address to use for interactsh server
   -lip, -listen-ip string                  public ip address to listen on (default "0.0.0.0")
   -e, -eviction int                        number of days to persist interaction data in memory (default 30)
   -ne, -no-eviction                        disable periodic data eviction from memory
   -a, -auth                                enable authentication to server using random generated token
   -t, -token string                        enable authentication to server using given token
   -acao-url string                         origin url to send in acao header to use web-client) (default "*")
   -sa, -skip-acme                          skip acme registration (certificate checks/handshake + TLS protocols will be disabled)
   -se, -scan-everywhere                    scan canary token everywhere
   -cidl, -correlation-id-length int        length of the correlation id preamble (default 20)
   -cidn, -correlation-id-nonce-length int  length of the correlation id nonce (default 13)
   -cert string                             custom certificate path
   -privkey string                          custom private key path
   -oih, -origin-ip-header string           HTTP header containing origin ip (interactsh behind a reverse proxy)

CONFIG:
   -config string               flag configuration file (default "$HOME/.config/interactsh-server/config.yaml")
   -dr, -dynamic-resp           enable setting up arbitrary response data
   -cr, -custom-records string  custom dns records YAML file for DNS server
   -hi, -http-index string      custom index file for http server
   -hd, -http-directory string  directory with files to serve with http server
   -ds, -disk                   disk based storage
   -dsp, -disk-path string      disk storage path
   -csh, -server-header string  custom value of Server header in response
   -dv, -disable-version        disable publishing interactsh version in response header

UPDATE:
   -up, -update                 update interactsh-server to latest version
   -duc, -disable-update-check  disable automatic interactsh-server update check
   
SERVICES:
   -dns-port int           port to use for dns service (default 53)
   -http-port int          port to use for http service (default 80)
   -https-port int         port to use for https service (default 443)
   -smtp-port int          port to use for smtp service (default 25)
   -smtps-port int         port to use for smtps service (default 587)
   -smtp-autotls-port int  port to use for smtps autotls service (default 465)
   -ldap-port int          port to use for ldap service (default 389)
   -ldap                   enable ldap server with full logging (authenticated)
   -wc, -wildcard          enable wildcard interaction for interactsh domain (authenticated)
   -smb                    start smb agent - impacket and python 3 must be installed (authenticated)
   -responder              start responder agent - docker must be installed (authenticated)
   -ftp                    start ftp agent (authenticated)
   -smb-port int           port to use for smb service (default 445)
   -ftp-port int           port to use for ftp service (default 21)
   -ftps-port int          port to use for ftps service (default 990)
   -ftp-dir string         ftp directory - temporary if not specified

DEBUG:
   -version            show version of the project
   -debug              start interactsh server in debug mode
   -ep, -enable-pprof  enable pprof debugging server
   -health-check, -hc  run diagnostic check up
   -metrics            enable metrics endpoint
   -v, -verbose        display verbose interaction

We are using GoDaddy for domain name and DigitalOcean droplet for the server, a basic $5 droplet should be sufficient to run self-hosted Interactsh server. If you are not using GoDaddy, follow your registrar's process for creating / updating DNS entries.

Configuring Interactsh domain

Navigate to https://dcc.godaddy.com/control/portfolio/{{domain}}/settings?subtab=hostnames
Add → Submit ns1, ns2 with your SERVER_IP as value

Navigate to https://dcc.godaddy.com/control/dnsmanagement?domainName={{domain}}&subtab=nameservers
Change Nameservers → I'll use my own nameservers → Submit ns1.INTERACTSH_DOMAIN, ns2.INTERACTSH_DOMAIN

Configuring Interactsh server

Install interactsh-server on your VPS

go install -v github.com/projectdiscovery/interactsh/cmd/interactsh-server@latest

Considering domain name setup is completed, run the below command to run interactsh-server

interactsh-server -domain INTERACTSH_DOMAIN

Following is an example of a successful installation and operation of a self-hosted server:

A number of needed flags are configured automatically to run interactsh-server with default settings. For example, ip and listen-ip flags set with the Public IP address of the system when possible.

Running Interactsh Server

interactsh-server -domain interact.sh

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ v1.0.0

                projectdiscovery.io

[INF] Listening with the following services:
[HTTPS] Listening on TCP 46.101.25.250:443
[HTTP] Listening on TCP 46.101.25.250:80
[SMTPS] Listening on TCP 46.101.25.250:587
[LDAP] Listening on TCP 46.101.25.250:389
[SMTP] Listening on TCP 46.101.25.250:25
[DNS] Listening on TCP 46.101.25.250:53
[DNS] Listening on UDP 46.101.25.250:53

Interactsh Server with Multiple Domain

Multiple domain names can be given in the same way as above to run the same interactsh server across multiple configured domains.

interactsh-server -d oast.pro,oast.me

    _       __                       __       __
   (_)___  / /____  _________ ______/ /______/ /_
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ 1.0.5

                projectdiscovery.io

[INF] Loading existing SSL Certificate for:  [*.oast.pro, oast.pro]
[INF] Loading existing SSL Certificate for:  [*.oast.me, oast.me]
[INF] Listening with the following services:
[HTTPS] Listening on TCP 46.101.25.250:443
[HTTP] Listening on TCP 46.101.25.250:80
[SMTPS] Listening on TCP 46.101.25.250:587
[LDAP] Listening on TCP 46.101.25.250:389
[SMTP] Listening on TCP 46.101.25.250:25
[DNS] Listening on TCP 46.101.25.250:53
[DNS] Listening on UDP 46.101.25.250:53

Note:

While running interactsh server on Cloud VM's like Amazon EC2, Google Cloud Platform (GCP), it is required to update the security rules to allow "all traffic" for inbound connections.

There are more useful capabilities supported by interactsh-server that are not enabled by default and are intended to be used only by self-hosted servers.

Interactsh Server behind a reverse proxy

interactsh-server might require custom ports for services if the default ones are already busy. If this is the case but still default ports are required as part of the payload, it's possible to configure interactsh-server behind a reverse proxy, by port-forwarding HTTP/TCP/UDP based services via http/stream proxy directive (proxy_pass).

Nginx

Assuming that interactsh-server essential services run on the following ports:

HTTP: 8080/TCP
HTTPS: 8440/TCP
SMTP: 8025/TCP
DNS: 8053/UDP
DNS: 8053/TCP

The nginx configuration file to forward the traffic would look like the following one:

# http/https
http {
   server {
      listen 443 ssl;
      server_name mysite.com;
      ssl_certificate /etc/nginx/interactsh.pem;
      ssl_certificate_key /etc/nginx/interactsh.key;

      location / {
         proxy_pass https://interachsh.mysite.com:80/;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
      }        
   }
}

stream {
   # smtp
   server {
      listen 25;
      proxy_pass interachsh.mysite.com:8025;
   }

   # dns
   server {
      listen 53;
      proxy_pass interachsh.mysite.com:8053;
   }
   server {
      listen 53 udp;
      proxy_pass interachsh.mysite.com:8053;
   }
}

Configured Domains

interactsh-server -d oast.pro,oast.me

    _       __                       __       __
   (_)___  / /____  _________ ______/ /______/ /_
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ 1.0.5

                projectdiscovery.io

[INF] Loading existing SSL Certificate for:  [*.oast.pro, oast.pro]
[INF] Loading existing SSL Certificate for:  [*.oast.me, oast.me]
[INF] Listening with the following services:
[HTTPS] Listening on TCP 46.101.25.250:443
[HTTP] Listening on TCP 46.101.25.250:80
[SMTPS] Listening on TCP 46.101.25.250:587
[LDAP] Listening on TCP 46.101.25.250:389
[SMTP] Listening on TCP 46.101.25.250:25
[DNS] Listening on TCP 46.101.25.250:53
[DNS] Listening on UDP 46.101.25.250:53

Custom Server Index

Index page for http server can be customized while running custom interactsh server using -http-index flag.

interactsh-server -d hackwithautomation.com -http-index banner.html

{DOMAIN} placeholder is also supported in index file to replace with server domain name.

Static File Hosting

Interactsh http server optionally enables file hosting to help in security testing. This capability can be used with a self-hosted server to serve files for common payloads for XSS, XXE, RCE and other attacks.

To use this feature, -http-directory flag can be used which accepts diretory as input and files are served under /s/ directory.

interactsh-server -d hackwithautomation.com -http-directory ./paylods

Dynamic HTTP Response

Interactsh http server optionally enables responding with dynamic HTTP response by using query parameters. This feature can be enabled by using -dr or -dynamic-resp flag.

The following query parameter names are supported - body, header, status and delay. Multiple header parameters can be specified to set multiple headers.

body (response body)
header (response header)
status (response status code)
delay (response time)

curl -i 'https://hackwithautomation.com/x?status=307&body=this+is+example+body&delay=1&header=header1:value1&header=header1:value12'

HTTP/2 307 
header1: value1
header1: value12
server: hackwithautomation.com
x-interactsh-version: 1.0.7
content-type: text/plain; charset=utf-8
content-length: 20
date: Tue, 13 Sep 2022 12:31:05 GMT

this is example body

Note:

Dynamic HTTP Response feature is disabled as default.
By design, this feature lets anyone run client-side code / redirects using your interactsh domain / server
Using this option with an isolated domain is recommended to avoid security impact on associated root/subdomains.

Wildcard Interaction

To enable wildcard interaction for configured Interactsh domain wildcard flag can be used with implicit authentication protection via the auth flag if the token flag is omitted.

interactsh-server -domain hackwithautomation.com -wildcard

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ v1.0.0

        projectdiscovery.io

[INF] Client Token: 699c55544ce1604c63edb769e51190acaad1f239589a35671ccabd664385cfc7
[INF] Listening with the following services:
[HTTPS] Listening on TCP 157.230.223.165:443
[HTTP] Listening on TCP 157.230.223.165:80
[SMTPS] Listening on TCP 157.230.223.165:587
[LDAP] Listening on TCP 157.230.223.165:389
[SMTP] Listening on TCP 157.230.223.165:25
[DNS] Listening on TCP 157.230.223.165:53
[DNS] Listening on UDP 157.230.223.165:53

LDAP Interaction

As default, Interactsh server support LDAP interaction for the payload included in search query, additionally ldap flag can be used for complete logging.

interactsh-server -domain hackwithautomation.com -sa -ldap

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ v1.0.0

        projectdiscovery.io

[INF] Client Token: deb58fc151e6f0e53d448be3eb14cd7a11590d8950d142b9cd1abac3c2e3e7bc
[INF] Listening with the following services:
[DNS] Listening on UDP 157.230.223.165:53
[LDAP] Listening on TCP 157.230.223.165:389
[HTTP] Listening on TCP 157.230.223.165:80
[SMTP] Listening on TCP 157.230.223.165:25
[DNS] Listening on TCP 157.230.223.165:53

Custom Payload Length

The length of the interactsh payload is 33 by default, consisting of 20 (unique correlation-id) + 13 (nonce token), which can be customized using the cidl and cidn flags to make shorter when required with self-hosted interacsh server.

interactsh-server -d hackwithautomation.com -cidl 4 -cidn 6

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ v1.0.2

        projectdiscovery.io

[INF] Loading existing SSL Certificate for:  [*.hackwithautomation.com, hackwithautomation.com]
[INF] Listening with the following services:
[HTTPS] Listening on TCP 157.230.223.165:443
[SMTPS] Listening on TCP 157.230.223.165:587
[DNS] Listening on UDP 157.230.223.165:53
[HTTP] Listening on TCP 157.230.223.165:80
[LDAP] Listening on TCP 157.230.223.165:389
[SMTP] Listening on TCP 157.230.223.165:25
[DNS] Listening on TCP 157.230.223.165:53

Note: It is important and required to use same length on both side (client and server), otherwise co-relation will not work.

interactsh-client -s hackwithautomation.com -cidl 4 -cidn 6

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ v1.0.2

        projectdiscovery.io

[INF] Listing 1 payload for OOB Testing
[INF] c8rf4e8xm4.hackwithautomation.com

Custom SSL Certificate

The certmagic library is used by default by interactsh server to produce wildcard certificates for requested domain in an automatic way. To use your own SSL certificate with self-hosted interactsh server, cert and privkey flag can be used to provider required certificate files.

Note: To utilize all of the functionality of the SSL protocol, a wildcard certificate is mandatory.

interactsh-server -d hackwithautomation.com -cert hackwithautomation.com.crt -privkey hackwithautomation.com.key

    _       __                       __       __  
   (_)___  / /____  _________ ______/ /______/ /_ 
  / / __ \/ __/ _ \/ ___/ __ '/ ___/ __/ ___/ __ \
 / / / / / /_/  __/ /  / /_/ / /__/ /_(__  ) / / /
/_/_/ /_/\__/\___/_/   \__,_/\___/\__/____/_/ /_/ v1.0.2

        projectdiscovery.io

[INF] Listening with the following services:
[HTTPS] Listening on TCP 157.230.223.165:443
[SMTP] Listening on TCP 157.230.223.165:25
[HTTP] Listening on TCP 157.230.223.165:80
[LDAP] Listening on TCP 157.230.223.165:389
[DNS] Listening on TCP 157.230.223.165:53
[SMTPS] Listening on TCP 157.230.223.165:587
[DNS] Listening on UDP 157.230.223.165:53

Supported Protocols

FTP

FTP support can be enabled with the -ftp flag and is recommended for self-hosted instances only. The FTP agent simulates a fully-functional FTP server agent with authentication that captures authentications with every file operation. By default, the agent listens for clear text FTP on port 21 (this can be changed with the -ftp-port flag) and tls FTP on port 990 (this can be changed with the -ftps-port flag) and lists in read-only mode the content of the OS default temporary directory (customizable with the -ftp-dir option). The ftp engine uses the custom certificate and private key if provided or it will extract the certificate and private key from the first acme domain if provided. Example of starting the FTP daemon and capturing a login interaction:

$ sudo go run . -ftp -skip-acme -debug -domain localhost
...
[INF] Outbound IP: 192.168.1.16
[INF] Client Token: 6dc07e4a76c3d5e58e4bea13ce073dc403499b128c62397aff7b934a6e4822e3
[INF] Listening with the following services:
[DNS] Listening on TCP 192.168.1.16:53
[SMTP] Listening on TCP 192.168.1.16:25
[HTTP] Listening on TCP 192.168.1.16:80
[FTP] Listening on TCP 192.168.1.16:21
[DNS] Listening on UDP 192.168.1.16:53
[LDAP] Listening on TCP 192.168.1.16:389
[DBG] FTP Interaction: 
{"protocol":"ftp","unique-id":"","full-id":"","raw-request":"USER test\ntest logging in","remote-address":"127.0.0.1:51564","timestamp":"2022-09-29T00:49:42.212323+02:00"}

External Supported Protocols

SMB

The -smb flag enables the Samba protocol (only for self-hosted instances). The samba protocol uses impacket smbserver class to simulate a samba daemon share listening on port 445 unless changed by the -smb-port flag. When enabled, interactsh executes under the hoods the script smb_server.py. Hence Python3 and impacket dependencies are required. Example of enabling the samba server:

$ sudo interactsh-server -smb -skip-acme -debug -domain localhost

Responder

Responder is wrapped in a docker container exposing various service ports via docker port forwarding. The interactions are retrieved by monitoring the shared log file Responder-Session.log in the temp folder. To use it on a self-hosted instance, it's necessary first to build the docker container and tag it as interactsh(docker daemon must be configured correctly and with port forwarding capabilities):

docker build . -t interactsh

Then run the service with:

$ sudo interactsh-server -responder -d localhost

On default settings, the daemon listens on the following ports:

UDP: 137, 138, 1434

TCP: 21 (might collide with FTP daemon if used), 110, 135, 139, 389, 445, 1433, 3141, 3128

Interactsh Integration

Use as library

The examples uses interactsh client library to get external interactions for a generated URL by making a http request to the URL.

Nuclei - OAST

Nuclei vulnerability scanner utilize Interactsh for automated payload generation and detection of out of band based security vulnerabilities.

See Nuclei + Interactsh Integration blog and guide document for more information.

Cloud Metadata

Interactsh server supports DNS records for cloud metadata services, which is useful for testing SSRF-related vulnerabilities.

Currently supported metadata services:

AWS
Alibaba

Example:

aws.interact.sh points to 169.254.169.254
alibaba.interact.sh points to 100.100.100.200

Acknowledgement

Interactsh is inspired from Burp Collaborator.

License

Interactsh is distributed under MIT License and made with 🖤 by the projectdiscovery team.

Name		Name	Last commit message	Last commit date
Latest commit History 1,283 Commits
.github		.github
cmd		cmd
deploy		deploy
examples		examples
internal/runner		internal/runner
pkg		pkg
.gitignore		.gitignore
.goreleaser.yml		.goreleaser.yml
LICENSE.md		LICENSE.md
README.md		README.md
SECURITY.md		SECURITY.md
go.mod		go.mod
go.sum		go.sum

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An OOB interaction gathering server and client library

Features

Interactsh Client

Usage

Interactsh CLI Client

Default Run

Session File

Verbose Mode

Using Self-Hosted server

Using Protected Self-Hosted server

Using with Notify

Interactsh Web Client

Interactsh Docker Client

Burp Suite Extension

OWASP ZAP Add-On

Interactsh Server

Usage

Configuring Interactsh domain

Configuring Interactsh server

Running Interactsh Server

Interactsh Server with Multiple Domain

Interactsh Server behind a reverse proxy

Nginx

Custom Server Index

Static File Hosting

Dynamic HTTP Response

Wildcard Interaction

LDAP Interaction

Custom Payload Length

Custom SSL Certificate

Supported Protocols

FTP

External Supported Protocols

SMB

Responder

Interactsh Integration

Use as library

Nuclei - OAST

Cloud Metadata

Acknowledgement

License

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