43 - Pentesting WHOIS

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Basic Information

Protokali ya WHOIS inatumika kama njia ya kawaida ya kuuliza kuhusu waandikaji au wamiliki wa rasilimali mbalimbali za Mtandao kupitia hifadhidata maalum. Rasilimali hizi zinajumuisha majina ya kikoa, vizuizi vya anwani za IP, na mifumo huru, miongoni mwa mengine. Zaidi ya haya, protokali hii inatumika katika kupata habari pana zaidi.

Port ya kawaida: 43

PORT   STATE  SERVICE
43/tcp open   whois?

Enumerate

Pata taarifa zote ambazo huduma ya whois ina kuhusu kikoa:

whois -h <HOST> -p <PORT> "domain.tld"
echo "domain.ltd" | nc -vn <HOST> <PORT>

Notice than sometimes when requesting for some information to a WHOIS service the database being used appears in the response:

Pia, huduma ya WHOIS kila wakati inahitaji kutumia database kuhifadhi na kutoa taarifa. Hivyo, SQLInjection inaweza kuwepo wakati wa querying database kutoka kwa taarifa zinazotolewa na mtumiaji. Kwa mfano kufanya: whois -h 10.10.10.155 -p 43 "a') or 1=1#" unaweza kuwa na uwezo wa extract all the information iliyohifadhiwa katika database.

Shodan

• port:43 whois

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HackTricks Automatic Commands

Protocol_Name: WHOIS    #Protocol Abbreviation if there is one.
Port_Number:  43     #Comma separated if there is more than one.
Protocol_Description: WHOIS         #Protocol Abbreviation Spelled out

Entry_1:
Name: Notes
Description: Notes for WHOIS
Note: |
The WHOIS protocol serves as a standard method for inquiring about the registrants or holders of various Internet resources through specific databases. These resources encompass domain names, blocks of IP addresses, and autonomous systems, among others. Beyond these, the protocol finds application in accessing a broader spectrum of information.


https://book.hacktricks.xyz/pentesting/pentesting-smtp

Entry_2:
Name: Banner Grab
Description: Grab WHOIS Banner
Command: whois -h {IP} -p 43 {Domain_Name} && echo {Domain_Name} | nc -vn {IP} 43

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