Reconnaissance Tools

ToolDescription
[Wayback Machine ]The Internet Archive, also known as the Wayback Machine, allows users to view a website as it appeared on certain date.
MaltegoAfter the user inputs a target (this can be a domain, company, person, etc.), Maltego searches the Internet for all related information on the target including social media links, IP addresses, DNS servers, and much more.
Recon-ngThis Linux-based tool contains modules that can be used for information gathering on targets such as web applications, IoT devices, and domains.
Shodan (www.shodan.io)Shodan allows users to search for Internet-connected devices and systems.
SpiderFootThis tool automates the process of gathering intelligence about a given target, which may be an IP address, domain name, hostname, network subnet, ASN, email address, or person’s name.
WHOISThis public database contains the ownership and contact information for a domain owner.
nslookup, dig commandThese programs are used to retrieve the DNS records of a specified hostname.
Censys.ioThis web-based platform can be used to scan for Internet-connected devices and systems for security analysis.
Hunter.ioThis web-based tool, also known as Email Hunter, allows a user to find email addresses associated with a specific domain or individual.
AmassThis Linux-based tool performs network mapping and information gathering on a targeted network or domain. Amass can perform network mapping of attack surfaces and perform external asset discovery using open-source information gathering and active reconnaissance techniques.
NmapThis network scanning tool is used to discover hosts and services on a network using a variety of scanning techniques. Nmap also includes the Nmap Scripting Engine (NSE), which allows users to write scripts to automate network tasks.
theHarvesterThis tool gathers open-source intelligence on a target from a wide range of public resources to discover names, emails, IPs, subdomains, and URLs.
WiGLE.net (Wireless Geographic Logging Engine)This web-based tool, also known as Wireless Geographic Logging Engine, allows users to submit information about wireless hotspots from across the world.
InSSIDerThis tool analyzes the configuration of a wireless network including channel settings, security, signal strength, and the impact of neighboring wireless networks.
OSINTframework.comThis website allows a user to discover open-source intelligence (OSINT) resources.
Wireshark, tcpdumpThese packet analyzer tools allows the user to capture data packets flowing through the network for analysis.
Aircrack-ngThis tool contains a suite of software that can be used to assess the security of a wireless network.