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120 lines
4.3 KiB
Markdown
120 lines
4.3 KiB
Markdown
# 110,995 - Pentesting POP
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{{#include ../banners/hacktricks-training.md}}
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## Basic Information
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**Post Office Protocol (POP)** inafafanuliwa kama itifaki ndani ya eneo la mtandao wa kompyuta na Intaneti, ambayo inatumika kwa ajili ya **kuondoa na kurejesha barua pepe kutoka kwa seva ya barua ya mbali**, na kuifanya ipatikane kwenye kifaa cha ndani. Iko ndani ya tabaka la programu la mfano wa OSI, itifaki hii inawawezesha watumiaji kupata na kupokea barua pepe. Uendeshaji wa **wateja wa POP** kwa kawaida unahusisha kuanzisha muunganisho na seva ya barua, kupakua ujumbe wote, kuhifadhi ujumbe hawa kwenye mfumo wa mteja, na kisha kuondoa kutoka kwa seva. Ingawa kuna matoleo matatu ya itifaki hii, **POP3** inajitokeza kama toleo linalotumika zaidi.
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**Default ports:** 110, 995(ssl)
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```
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PORT STATE SERVICE
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110/tcp open pop3
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```
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## Enumeration
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### Banner Grabbing
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```bash
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nc -nv <IP> 110
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openssl s_client -connect <IP>:995 -crlf -quiet
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```
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## Manual
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Unaweza kutumia amri `CAPA` kupata uwezo wa seva ya POP3.
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## Automated
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```bash
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nmap --script "pop3-capabilities or pop3-ntlm-info" -sV -port <PORT> <IP> #All are default scripts
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```
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Plugin ya `pop3-ntlm-info` itarudisha baadhi ya data "**nyeti**" (matoleo ya Windows).
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### [POP3 bruteforce](../generic-hacking/brute-force.md#pop)
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## Sintaksia ya POP
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Mifano ya amri za POP kutoka [hapa](http://sunnyoasis.com/services/emailviatelnet.html)
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```bash
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POP commands:
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USER uid Log in as "uid"
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PASS password Substitue "password" for your actual password
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STAT List number of messages, total mailbox size
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LIST List messages and sizes
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RETR n Show message n
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DELE n Mark message n for deletion
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RSET Undo any changes
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QUIT Logout (expunges messages if no RSET)
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TOP msg n Show first n lines of message number msg
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CAPA Get capabilities
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```
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Mfano:
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```
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root@kali:~# telnet $ip 110
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+OK beta POP3 server (JAMES POP3 Server 2.3.2) ready
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USER billydean
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+OK
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PASS password
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+OK Welcome billydean
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list
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+OK 2 1807
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1 786
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2 1021
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retr 1
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+OK Message follows
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From: jamesbrown@motown.com
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Dear Billy Dean,
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Here is your login for remote desktop ... try not to forget it this time!
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username: billydean
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password: PA$$W0RD!Z
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```
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## Kurekodi Nywila
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Seva za POP zikiwa na mipangilio **`auth_debug`** zimeongeza rekodi zinazozalishwa. Hata hivyo, ikiwa **`auth_debug_passwords`** au **`auth_verbose_passwords`** zimewekwa kama **`true`**, nywila zinaweza pia kurekodiwa kwa maandiko wazi katika rekodi hizo.
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## Amri za Kiotomatiki za HackTricks
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```
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Protocol_Name: POP #Protocol Abbreviation if there is one.
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Port_Number: 110 #Comma separated if there is more than one.
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Protocol_Description: Post Office Protocol #Protocol Abbreviation Spelled out
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Entry_1:
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Name: Notes
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Description: Notes for POP
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Note: |
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Post Office Protocol (POP) is described as a protocol within the realm of computer networking and the Internet, which is utilized for the extraction and retrieval of email from a remote mail server**, making it accessible on the local device. Positioned within the application layer of the OSI model, this protocol enables users to fetch and receive email. The operation of POP clients typically involves establishing a connection to the mail server, downloading all messages, storing these messages locally on the client system, and subsequently removing them from the server. Although there are three iterations of this protocol, POP3 stands out as the most prevalently employed version.
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https://book.hacktricks.xyz/network-services-pentesting/pentesting-pop
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Entry_2:
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Name: Banner Grab
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Description: Banner Grab 110
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Command: nc -nv {IP} 110
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Entry_3:
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Name: Banner Grab 995
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Description: Grab Banner Secure
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Command: openssl s_client -connect {IP}:995 -crlf -quiet
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Entry_4:
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Name: Nmap
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Description: Scan for POP info
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Command: nmap --script "pop3-capabilities or pop3-ntlm-info" -sV -p 110 {IP}
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Entry_5:
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Name: Hydra Brute Force
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Description: Need User
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Command: hydra -l {Username} -P {Big_Passwordlist} -f {IP} pop3 -V
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Entry_6:
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Name: consolesless mfs enumeration
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Description: POP3 enumeration without the need to run msfconsole
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Note: sourced from https://github.com/carlospolop/legion
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Command: msfconsole -q -x 'use auxiliary/scanner/pop3/pop3_version; set RHOSTS {IP}; set RPORT 110; run; exit'
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```
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{{#include ../banners/hacktricks-training.md}}
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