Shodan

Shodan Dorks

Dorks for shodan.io website. Taken from publicly available sources.

Shodan

Shodan is a search engine that lets the user find specific types of computers (webcams, routers, servers, etc.) connected to the internet using a variety of filters.

Basic Shodan Filters

city:

Find devices in a particular city. city:"Bangalore"

country:

Find devices in a particular country. country:"IN"

geo:

Find devices by giving geographical coordinates. geo:"56.913055,118.250862"

hostname:

Find devices matching the hostname. server: "gws" hostname:"google"

net:

Find devices based on an IP address or /x CIDR. net:210.214.0.0/16

os:

Find devices based on operating system. os:"windows 7"

port:

Find devices based on open ports. proftpd port:21

before/after:

Find devices before or after between a given time. apache after:22/02/2009 before:14/3/2010

Citrix:

Find Citrix Gateway. title:"citrix gateway"

Wifi Passwords:

Helps to find the cleartext wifi passwords in Shodan. html:"def_wirelesspassword"

Surveillance Cams:

With username:admin and password: :P NETSurveillance uc-httpd

Fuel Pumps connected to internet:

No auth required to access CLI terminal. "privileged command" GET

Windows RDP Password:

But may contain secondary windows auth "\x03\x00\x00\x0b\x06\xd0\x00\x00\x124\x00"

Mongo DB servers:

It may give info about mongo db servers and dashboard "MongoDB Server Information" port:27017 -authentication

FTP servers allowing anonymous access:

Complete Anon access "220" "230 Login successful." port:21

Jenkins:

Jenkins Unrestricted Dashboard x-jenkins 200

Hacked routers:

Routers which got compromised hacked-router-help-sos

Open ATM:

May allow for ATM Access availability NCR Port:"161"

Telnet Access:

NO password required for telnet access. port:23 console gateway

Misconfigured Wordpress Sites:

The wp-config.php if accessed can give out the database credentials. http.html:"* The wp-config.php creation script uses this file"

Hiring:

Find sites hiring. "X-Recruiting:"

Android Root Bridge:

Find android root bridges with port 5555. "Android Debug Bridge" "Device" port:5555

Etherium Miners:

Shows the miners running ETH. "ETH - Total speed"

Tesla Powerpack charging Status:

Helps to find the charging status of tesla powerpack. http.title:"Tesla PowerPack System" http.component:"d3" -ga3ca4f2

Unauthenticated Kibana Endpoints

kibana content-length:217

Website Exercises

  • Find the 4SICS website using Shodan.

title:4sics

  • Find the Rastalvskarn powerplant.

Tip: It is running anonymous VNC and is located in the Swedish city of Nora

has_screenshot:1 country:se city:nora

  • How many IPs in Sweden are vulnerable to Heartbleed and still support SSLv2?

  • How many IPs are vulnerable to Heartbleed at your organization?

vuln:CVE-2014-0160 country:se ssl.version:sslv2
vuln:CVE-2014-0160 org:"your organization"

  • Find all the industrial control systems in your town.

category:ics city:"your city name"

  • Which RAT is most popular in Sweden?

category:malware country:se

Command Line Interface Exercises

  • Download the IPs vulnerable to Heartbleed in Sweden and Norway using the Shodan CLI. Filter out the results for Sweden and store them in a separate file.

Note: Uncompress the file and look at the raw data to see the raw response from the Heartbleed test.

shodan download --limit -1 heartbleed-results country:se,no vuln:CVE-2014-0160
shodan parse --filters location.country_code:SE -O heartbleed-sweden heartbleed-\
results.json.gz

Note: The –filters argument does case-sensitive searching on properties that are strings, hence the Swedish country code has to be upper-case.

  • Download 1,000 recent banners using the real-time stream and then map them using Google Maps.

Tip: shodan convert

mkdir data
shodan stream --limit 1000 --datadir data/
shodan convert data/* kml

Upload the KML file to https://www.google.com/maps/d/

  • Write a script to download a list of known malware IPs and block any outgoing traffic to them.

Tip: iptables -A OUTPUT -d x.x.x.x -j DROP

#!/bin/bash
shodan download --limit -1 malware.json.gz category:malware
for ip in `shodan parse --fields ip_str malware.json.gz`
do
iptables -A OUTPUT -d $ip -j DROP
done

Shodan API Exercises

  • Write a script to monitor a network using Shodan and send out notifications.

#!/usr/bin/env python
# Initialize Shodan
import shodan
api = shodan.Shodan("YOUR_API_KEY")
# Create a new alert
alert = api.create_alert('My first alert', '198.20.69.0/24')
try:
    # Subscribe to data for the created alert
    for banner in api.stream.alert(alert['id']):
    print banner
except:
    # Cleanup if any error occurs
    api.delete_alert(alert['id'])

Tip: Use the Shodan command-line interface’s alert command to list and remove alerts. For example:

shodan alert list
shodan alert clear

  • Write a script to output the latest images into a directory

Tip: Images are encoded using base64. Python can easily decode it into binary using: image_string.decode(‘base64’)

mkdir images

Run the above command to generate a directory to store the images in. Then save the following code in a file such as image-stream.py:

#!/usr/bin/env python
import shodan
output_folder = 'images/'
api = shodan.Shodan("YOUR_API_KEY")
for banner in api.stream.banners():
    if 'opts' in banner and 'screenshot' in banner['opts']:
    # All the images are JPGs for now
    # TODO: Use the mimetype to determine file extension
    # TODO: Support IPv6 results
    # Create the file name using its IP address
        filename = '{}/{}.jpg'.format(output_folder, banner['ip_str'])
        # Create the file itself
        output = open(filename, 'w')
        # The images are encoded using base64
        output.write(banner['opts']['screenshot'].decode('base64'))

REFERENCES

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