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209 lines
8.5 KiB
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209 lines
8.5 KiB
Markdown
# 143,993 - Pentesting IMAP
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{% hint style="success" %}
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Learn & practice AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
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Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
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<details>
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<summary>Support HackTricks</summary>
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* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
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* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
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* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
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</details>
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{% endhint %}
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**Try Hard Security Group**
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<figure><img src="../.gitbook/assets/telegram-cloud-document-1-5159108904864449420.jpg" alt=""><figcaption></figcaption></figure>
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{% embed url="https://discord.gg/tryhardsecurity" %}
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***
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## Internet Message Access Protocol
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**Internet Message Access Protocol (IMAP)** je dizajniran sa ciljem omogućavanja korisnicima da **pristupaju svojim email porukama sa bilo koje lokacije**, prvenstveno putem Internet veze. U suštini, emailovi se **čuvaju na serveru** umesto da se preuzimaju i skladište na ličnom uređaju. To znači da kada se email otvori ili pročita, to se radi **direktno sa servera**. Ova mogućnost omogućava praktičnost proveravanja emailova sa **više uređaja**, osiguravajući da nijedna poruka ne bude propuštena bez obzira na korišćeni uređaj.
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Podrazumevano, IMAP protokol radi na dva porta:
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* **Port 143** - ovo je podrazumevani IMAP nekriptovani port
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* **Port 993** - ovo je port koji treba koristiti ako želite da se povežete koristeći IMAP sigurno
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```
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PORT STATE SERVICE REASON
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143/tcp open imap syn-ack
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```
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## Prikupljanje banera
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```bash
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nc -nv <IP> 143
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openssl s_client -connect <IP>:993 -quiet
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```
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### NTLM Auth - Otkriće informacija
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Ako server podržava NTLM autentifikaciju (Windows), možete dobiti osetljive informacije (verzije):
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```
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root@kali: telnet example.com 143
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* OK The Microsoft Exchange IMAP4 service is ready.
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>> a1 AUTHENTICATE NTLM
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+
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>> TlRMTVNTUAABAAAAB4IIAAAAAAAAAAAAAAAAAAAAAAA=
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+ TlRMTVNTUAACAAAACgAKADgAAAAFgooCBqqVKFrKPCMAAAAAAAAAAEgASABCAAAABgOAJQAAAA9JAEkAUwAwADEAAgAKAEkASQBTADAAMQABAAoASQBJAFMAMAAxAAQACgBJAEkAUwAwADEAAwAKAEkASQBTADAAMQAHAAgAHwMI0VPy1QEAAAAA
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```
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Ili **automatizujte** ovo sa **nmap** pluginom `imap-ntlm-info.nse`
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### [IMAP Bruteforce](../generic-methodologies-and-resources/brute-force.md#imap)
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## Sintaksa
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IAMP komande primeri sa [ovde](https://donsutherland.org/crib/imap):
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```
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Login
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A1 LOGIN username password
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Values can be quoted to enclose spaces and special characters. A " must then be escape with a \
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A1 LOGIN "username" "password"
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List Folders/Mailboxes
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A1 LIST "" *
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A1 LIST INBOX *
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A1 LIST "Archive" *
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Create new Folder/Mailbox
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A1 CREATE INBOX.Archive.2012
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A1 CREATE "To Read"
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Delete Folder/Mailbox
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A1 DELETE INBOX.Archive.2012
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A1 DELETE "To Read"
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Rename Folder/Mailbox
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A1 RENAME "INBOX.One" "INBOX.Two"
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List Subscribed Mailboxes
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A1 LSUB "" *
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Status of Mailbox (There are more flags than the ones listed)
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A1 STATUS INBOX (MESSAGES UNSEEN RECENT)
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Select a mailbox
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A1 SELECT INBOX
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List messages
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A1 FETCH 1:* (FLAGS)
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A1 UID FETCH 1:* (FLAGS)
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Retrieve Message Content
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A1 FETCH 2 body[text]
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A1 FETCH 2 all
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A1 UID FETCH 102 (UID RFC822.SIZE BODY.PEEK[])
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Close Mailbox
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A1 CLOSE
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Logout
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A1 LOGOUT
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```
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### Evolucija
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```
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apt install evolution
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```
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.png>)
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### CURL
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Osnovna navigacija je moguća sa [CURL](https://ec.haxx.se/usingcurl/usingcurl-reademail#imap), ali je dokumentacija slaba na detaljima, pa se preporučuje da se proveri [izvor](https://github.com/curl/curl/blob/master/lib/imap.c) za precizne informacije.
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1. Lista poštanskih sandučića (imap komanda `LIST "" "*"`)
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```bash
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curl -k 'imaps://1.2.3.4/' --user user:pass
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```
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2. Nabrajanje poruka u poštanskom sandučetu (imap komanda `SELECT INBOX` i zatim `SEARCH ALL`)
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```bash
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curl -k 'imaps://1.2.3.4/INBOX?ALL' --user user:pass
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```
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Rezultat ove pretrage je lista indeksa poruka.
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Takođe je moguće pružiti složenije uslove pretrage. npr. pretraga za nacrtima sa lozinkom u telu maila:
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```bash
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curl -k 'imaps://1.2.3.4/Drafts?TEXT password' --user user:pass
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```
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Lep pregled mogućih termina pretrage nalazi se [ovde](https://www.atmail.com/blog/imap-commands/).
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3. Preuzimanje poruke (imap komanda `SELECT Drafts` i zatim `FETCH 1 BODY[]`)
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```bash
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curl -k 'imaps://1.2.3.4/Drafts;MAILINDEX=1' --user user:pass
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```
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Mail indeks će biti isti indeks koji se vraća iz operacije pretrage.
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Takođe je moguće koristiti `UID` (jedinstveni identifikator) za pristup porukama, međutim to je manje praktično jer se komanda za pretragu mora ručno formatirati. Na primer.
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```bash
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curl -k 'imaps://1.2.3.4/INBOX' -X 'UID SEARCH ALL' --user user:pass
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curl -k 'imaps://1.2.3.4/INBOX;UID=1' --user user:pass
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```
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Takođe, moguće je preuzeti samo delove poruke, npr. predmet i pošiljaoca prvih 5 poruka ( `-v` je obavezan da bi se videli predmet i pošiljalac):
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```bash
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$ curl -k 'imaps://1.2.3.4/INBOX' -X 'FETCH 1:5 BODY[HEADER.FIELDS (SUBJECT FROM)]' --user user:pass -v 2>&1 | grep '^<'
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```
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Iako je verovatno čistije samo napisati malu for petlju:
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```bash
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for m in {1..5}; do
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echo $m
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curl "imap://1.2.3.4/INBOX;MAILINDEX=$m;SECTION=HEADER.FIELDS%20(SUBJECT%20FROM)" --user user:pass
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done
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```
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## Shodan
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* `port:143 CAPABILITY`
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* `port:993 CAPABILITY`
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**Try Hard Security Group**
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<figure><img src="../.gitbook/assets/telegram-cloud-document-1-5159108904864449420.jpg" alt=""><figcaption></figcaption></figure>
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{% embed url="https://discord.gg/tryhardsecurity" %}
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## HackTricks Automatske Komande
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```
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Protocol_Name: IMAP #Protocol Abbreviation if there is one.
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Port_Number: 143,993 #Comma separated if there is more than one.
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Protocol_Description: Internet Message Access Protocol #Protocol Abbreviation Spelled out
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Entry_1:
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Name: Notes
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Description: Notes for WHOIS
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Note: |
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The Internet Message Access Protocol (IMAP) is designed for the purpose of enabling users to access their email messages from any location, primarily through an Internet connection. In essence, emails are retained on a server rather than being downloaded and stored on an individual's personal device. This means that when an email is accessed or read, it is done directly from the server. This capability allows for the convenience of checking emails from multiple devices, ensuring that no messages are missed regardless of the device used.
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https://book.hacktricks.xyz/pentesting/pentesting-imap
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Entry_2:
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Name: Banner Grab
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Description: Banner Grab 143
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Command: nc -nv {IP} 143
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Entry_3:
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Name: Secure Banner Grab
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Description: Banner Grab 993
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Command: openssl s_client -connect {IP}:993 -quiet
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Entry_4:
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Name: consolesless mfs enumeration
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Description: IMAP 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/imap/imap_version; set RHOSTS {IP}; set RPORT 143; run; exit'
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```
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{% hint style="success" %}
|
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Učite i vežbajte AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
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Učite i vežbajte GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
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<details>
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<summary>Podržite HackTricks</summary>
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* Proverite [**planove pretplate**](https://github.com/sponsors/carlospolop)!
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* **Pridružite se** 💬 [**Discord grupi**](https://discord.gg/hRep4RUj7f) ili [**telegram grupi**](https://t.me/peass) ili **pratite** nas na **Twitteru** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
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* **Podelite hakerske trikove slanjem PR-ova na** [**HackTricks**](https://github.com/carlospolop/hacktricks) i [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repozitorijume.
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</details>
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{% endhint %}
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