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Over time, I’ve collected an assortment of interesting, funny, and depressing search queries to plug into Shodan, the literal) internet search engine. Some return facepalm-inducing results, while others return serious and/or ancient vulnerabilities in the wild.
Most search filters require a Shodan account.
You can assume these queries only return unsecured/open instances when possible. For your own legal benefit, do not attempt to login (even with default passwords) if they aren’t! Narrow down results by adding filters like country:US or org:"Harvard University" or hostname:"nasa.gov" to the end.
The world and its devices are quickly becoming more connected through the shiny new Internet of Things Sh*t — and exponentially more dangerous as a result. To that end, I hope this list spreads awareness (and, quite frankly, pant-wetting fear) rather than harm.
And as always, discover and disclose responsibly! 
Table of Contents
- Industrial Control Systems
- Remote Desktop
- Network Infrastructure
- Network Attached Storage (NAS)
- Webcams
- Printers & Copiers
- Home Devices
- Random Stuff
Industrial Control Systems
Samsung Electronic Billboards 
→
"Server: Prismview Player"
Gas Station Pump Controllers →
"in-tank inventory" port:10001
Automatic License Plate Readers →
P372 "ANPR enabled"
Traffic Light Controllers / Red Light Cameras →
mikrotik streetlight
Voting Machines in the United States →
"voter system serial" country:US
Telcos Running Cisco Lawful Intercept Wiretaps →
"Cisco IOS" "ADVIPSERVICESK9_LI-M"
Wiretapping mechanism outlined by Cisco in RFC 3924:
Lawful intercept is the lawfully authorized interception and monitoring of communications of an intercept subject. The term “intercept subject” […] refers to the subscriber of a telecommunications service whose communications and/or intercept related information (IRI) has been lawfully authorized to be intercepted and delivered to some agency.
Prison Pay Phones →
"[2J[H Encartele Confidential"
Tesla PowerPack Charging Status →
http.title:"Tesla PowerPack System" http.component:"d3" -ga3ca4f2
Electric Vehicle Chargers →
"Server: gSOAP/2.8" "Content-Length: 583"
Maritime Satellites →
Shodan made a pretty sweet Ship Tracker that maps ship locations in real time, too!
"Cobham SATCOM" OR ("Sailor" "VSAT")
Submarine Mission Control Dashboards →
title:"Slocum Fleet Mission Control"
CAREL PlantVisor Refrigeration Units →
"Server: CarelDataServer" "200 Document follows"
Nordex Wind Turbine Farms →
http.title:"Nordex Control" "Windows 2000 5.0 x86" "Jetty/3.1 (JSP 1.1; Servlet 2.2; java 1.6.0_14)"
C4 Max Commercial Vehicle GPS Trackers →
"[1m[35mWelcome on console"
DICOM Medical X-Ray Machines →
Secured by default, thankfully, but these 1,700+ machines still have no business being on the internet.
"DICOM Server Response" port:104
GaugeTech Electricity Meters →
"Server: EIG Embedded Web Server" "200 Document follows"
Siemens Industrial Automation →
"Siemens, SIMATIC" port:161
Siemens HVAC Controllers →
"Server: Microsoft-WinCE" "Content-Length: 12581"
Door / Lock Access Controllers →
"HID VertX" port:4070
Railroad Management →
"log off" "select the appropriate"
Remote Desktop
Unprotected VNC →
"authentication disabled" "RFB 003.008"
Shodan Images is a great supplementary tool to browse screenshots, by the way! →
The first result right now. 
Windows RDP →
99.99% are secured by a secondary Windows login screen.
"\x03\x00\x00\x0b\x06\xd0\x00\x00\x124\x00"
Network Infrastructure
Weave Scope Dashboards →
Command-line access inside Kubernetes pods and Docker containers, and real-time visualization/monitoring of the entire infrastructure.
title:"Weave Scope" http.favicon.hash:567176827
MongoDB →
Older versions were insecure by default. Very scary.
"MongoDB Server Information" port:27017 -authentication
Mongo Express Web GUI →
Like the infamous phpMyAdmin but for MongoDB.
"Set-Cookie: mongo-express=" "200 OK"
Jenkins CI →
"X-Jenkins" "Set-Cookie: JSESSIONID" http.title:"Dashboard"
Docker APIs →
"Docker Containers:" port:2375
Docker Private Registries →
"Docker-Distribution-Api-Version: registry" "200 OK" -gitlab
Pi-hole Open DNS Servers →
"dnsmasq-pi-hole" "Recursion: enabled"
Already Logged-In as root via Telnet →
"root@" port:23 -login -password -name -Session
Android Root Bridges →
A tangential result of Google’s sloppy fractured update approach. 
More information here.
"Android Debug Bridge" "Device" port:5555
Lantronix Serial-to-Ethernet Adapter Leaking Telnet Passwords →
Lantronix password port:30718 -secured
Citrix Virtual Apps →
"Citrix Applications:" port:1604
Cisco Smart Install →
Vulnerable (kind of “by design,” but especially when exposed).
"smart install client active"
PBX IP Phone Gateways →
PBX "gateway console" -password port:23
Polycom Video Conferencing →
http.title:"- Polycom" "Server: lighttpd"
Telnet Configuration: →
"Polycom Command Shell" -failed port:23
Bomgar Help Desk Portal →
"Server: Bomgar" "200 OK"
Intel Active Management CVE-2017-5689 →
"Intel(R) Active Management Technology" port:623,664,16992,16993,16994,16995
HP iLO 4 CVE-2017-12542 →
HP-ILO-4 !"HP-ILO-4/2.53" !"HP-ILO-4/2.54" !"HP-ILO-4/2.55" !"HP-ILO-4/2.60" !"HP-ILO-4/2.61" !"HP-ILO-4/2.62" !"HP-iLO-4/2.70" port:1900
Outlook Web Access:
Exchange 2007 →
"x-owa-version" "IE=EmulateIE7" "Server: Microsoft-IIS/7.0"
Exchange 2010 →
"x-owa-version" "IE=EmulateIE7" http.favicon.hash:442749392
Exchange 2013 / 2016 →
"X-AspNet-Version" http.title:"Outlook" -"x-owa-version"
Lync / Skype for Business →
"X-MS-Server-Fqdn"
Network Attached Storage (NAS)
SMB (Samba) File Shares →
Produces ~500,000 results…narrow down by adding “Documents” or “Videos”, etc.
"Authentication: disabled" port:445
Specifically domain controllers: →
"Authentication: disabled" NETLOGON SYSVOL -unix port:445
Concerning default network shares of QuickBooks files: →
"Authentication: disabled" "Shared this folder to access QuickBooks files OverNetwork" -unix port:445
FTP Servers with Anonymous Login →
"220" "230 Login successful." port:21
Iomega / LenovoEMC NAS Drives →
"Set-Cookie: iomega=" -"manage/login.html" -http.title:"Log In"
Buffalo TeraStation NAS Drives →
Redirecting sencha port:9000
Logitech Media Servers →
"Server: Logitech Media Server" "200 OK"
Plex Media Servers →
"X-Plex-Protocol" "200 OK" port:32400
Tautulli / PlexPy Dashboards →
"CherryPy/5.1.0" "/home"
Webcams
Example images not necessary. 
Yawcams →
"Server: yawcam" "Mime-Type: text/html"
webcamXP/webcam7 →
("webcam 7" OR "webcamXP") http.component:"mootools" -401
Android IP Webcam Server →
"Server: IP Webcam Server" "200 OK"
Security DVRs →
html:"DVR_H264 ActiveX"
Printers & Copiers:
HP Printers →
"Serial Number:" "Built:" "Server: HP HTTP"
Xerox Copiers/Printers →
ssl:"Xerox Generic Root"
Epson Printers →
"SERVER: EPSON_Linux UPnP" "200 OK"
"Server: EPSON-HTTP" "200 OK"
Canon Printers →
"Server: KS_HTTP" "200 OK"
"Server: CANON HTTP Server"
Home Devices
Yamaha Stereos →
"Server: AV_Receiver" "HTTP/1.1 406"
Apple AirPlay Receivers →
Apple TVs, HomePods, etc.
"\x08_airplay" port:5353
Chromecasts / Smart TVs →
"Chromecast:" port:8008
Crestron Smart Home Controllers →
"Model: PYNG-HUB"
Random Stuff
OctoPrint 3D Printer Controllers →
title:"OctoPrint" -title:"Login" http.favicon.hash:1307375944
Etherium Miners →
"ETH - Total speed"
Apache Directory Listings →
Substitute .pem with any extension or a filename like phpinfo.php.
http.title:"Index of /" http.html:".pem"
Misconfigured WordPress →
Exposed wp-config.php files containing database credentials.
http.html:"* The wp-config.php creation script uses this file"
Too Many Minecraft Servers →
"Minecraft Server" "protocol 340" port:25565
Literally Everything in North Korea 
→
net:175.45.176.0/22,210.52.109.0/24,77.94.35.0/24
TCP Quote of the Day →
Port 17 (RFC 865) has a bizarre history…
port:17 product:"Windows qotd"
Find a Job Doing This! 
→
"X-Recruiting:"
Bon voyage, fellow penetrators! 
License
Source: 1Hack.Us & GitHub
ENJOY & HAPPY LEARNING! 
(and sad)