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@ -2,13 +2,13 @@
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<details>
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<summary><strong><a href="https://www.twitch.tv/hacktricks_live/schedule">🎙️ HackTricks LIVE Twitch</a> Wednesdays 5.30pm (UTC) 🎙️ - <a href="https://www.youtube.com/@hacktricks_LIVE">🎥 Youtube 🎥</a></strong></summary>
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<summary><a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ HackTricks LIVE Twitch</strong></a> <strong>Wednesdays 5.30pm (UTC) 🎙️ -</strong> <a href="https://www.youtube.com/@hacktricks_LIVE"><strong>🎥 Youtube 🎥</strong></a></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 repo](https://github.com/carlospolop/hacktricks) and [hacktricks-cloud repo](https://github.com/carlospolop/hacktricks-cloud)**.
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **and** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
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</details>
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@ -482,7 +482,7 @@ ettercap -T -i eth1 -B eth2 -q #Set a bridge between 2 interfaces to forwardpack
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### CDP Attacks
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CISCO Discovery Protocol is the protocol used by CISCO devices to talk among them, **discover who is alive** and what features does they have. 
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CISCO Discovery Protocol is the protocol used by CISCO devices to talk among them, **discover who is alive** and what features does they have.
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#### Information Gathering <a href="#0e0f" id="0e0f"></a>
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@ -500,7 +500,7 @@ sudo yersinia -G
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Select the **flooding CDP table** option and start the attack. The switch CPU will be overloaded, as well as the CDP neighbor table, **resulting in “network paralysis”.**
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<figure><img src="../../.gitbook/assets/image (1) (5).png" alt=""><figcaption></figcaption></figure>
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<figure><img src="../../.gitbook/assets/image (1) (5) (1).png" alt=""><figcaption></figcaption></figure>
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#### CDP Impersonation Attack
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@ -620,13 +620,13 @@ For more information about how to attack this protocol go to the book _**Network
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To attack a EIGRP system requires **establishing a neighbourhood with a legitimate EIGRP route**r, which opens up a lot of possibilities, from basic reconnaissance to various injections.
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****[**FRRouting**](https://frrouting.org/) allows you to implement **a virtual router that supports BGP, OSPF, EIGRP, RIP and other protocols.** All you need to do is deploy it on your attacker’s system and you can actually pretend to be a legitimate router in the routing domain.
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\*\*\*\*[**FRRouting**](https://frrouting.org/) allows you to implement **a virtual router that supports BGP, OSPF, EIGRP, RIP and other protocols.** All you need to do is deploy it on your attacker’s system and you can actually pretend to be a legitimate router in the routing domain.
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{% content-ref url="eigrp-attacks.md" %}
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[eigrp-attacks.md](eigrp-attacks.md)
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{% endcontent-ref %}
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****[**Coly**](https://code.google.com/p/coly/) also supports capture of EIGRP broadcasts and injection of packets to manipulate routing configuration. For more info about how to attack it with Coly check _**Network Security Assessment: Know Your Network (3rd edition).**_
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\*\*\*\*[**Coly**](https://code.google.com/p/coly/) also supports capture of EIGRP broadcasts and injection of packets to manipulate routing configuration. For more info about how to attack it with Coly check _**Network Security Assessment: Know Your Network (3rd edition).**_
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### OSPF
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@ -878,14 +878,10 @@ Bettercap broadcast SSDP packets searching for all kind of services (UDP Port 19
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Bettercap broadcast WSD packets searching for services (UDP Port 3702).
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## References
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* [https://medium.com/@in9uz/cisco-nightmare-pentesting-cisco-networks-like-a-devil-f4032eb437b9](https://medium.com/@in9uz/cisco-nightmare-pentesting-cisco-networks-like-a-devil-f4032eb437b9)
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<img src="../../.gitbook/assets/i3.png" alt="" data-size="original">\
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**Bug bounty tip**: **sign up** for **Intigriti**, a premium **bug bounty platform created by hackers, for hackers**! Join us at [**https://go.intigriti.com/hacktricks**](https://go.intigriti.com/hacktricks) today, and start earning bounties up to **$100,000**!
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@ -893,12 +889,12 @@ Bettercap broadcast WSD packets searching for services (UDP Port 3702).
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<details>
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<summary><strong><a href="https://www.twitch.tv/hacktricks_live/schedule">🎙️ HackTricks LIVE Twitch</a> Wednesdays 5.30pm (UTC) 🎙️ - <a href="https://www.youtube.com/@hacktricks_LIVE">🎥 Youtube 🎥</a></strong></summary>
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<summary><a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ HackTricks LIVE Twitch</strong></a> <strong>Wednesdays 5.30pm (UTC) 🎙️ -</strong> <a href="https://www.youtube.com/@hacktricks_LIVE"><strong>🎥 Youtube 🎥</strong></a></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 repo](https://github.com/carlospolop/hacktricks) and [hacktricks-cloud repo](https://github.com/carlospolop/hacktricks-cloud)**.
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks repo**](https://github.com/carlospolop/hacktricks) **and** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
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</details>
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@ -57,7 +57,7 @@ To explore the cgroup setup of a shell, you can look in the `/proc/self/cgroup`
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Among the many files that can be here, **the primary cgroup interface files begin with `cgroup`**. Start by looking at `cgroup.procs` (using cat is fine), which lists the processes in the cgroup. A similar file, `cgroup.threads`, also includes threads.
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<figure><img src="../../../.gitbook/assets/image.png" alt=""><figcaption></figcaption></figure>
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<figure><img src="../../../.gitbook/assets/image (1).png" alt=""><figcaption></figcaption></figure>
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Most cgroups used for shells have these two controllers, which can control the **amount of memory** used and the **total number of processes in the cgroup**. To interact with a controller, look for the **files that match the controller prefix**. For example, if you want to see the number of threads running in the cgroup, consult pids.current:
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@ -606,7 +606,7 @@ If you include any of the files `/usr/bin/phar`, `/usr/bin/phar7`, `/usr/bin/pha
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**I don't know how is this useful but it might be.**\
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****_Even if you cause a PHP Fatal Error, PHP temporary files uploaded are deleted._
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<figure><img src="../../.gitbook/assets/image (1).png" alt=""><figcaption></figcaption></figure>
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<figure><img src="../../.gitbook/assets/image (1) (5).png" alt=""><figcaption></figcaption></figure>
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## References
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@ -98,6 +98,10 @@ Then, the attacker could use those **100 connections** to perform a **search bru
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* 56800235584 / 10000 / 300 / 3600 \~= **5.25 hours** (50% chance in 2.63h)
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* (with 100000 files) 56800235584 / 100000 / 300 / 3600 \~= **0.525 hours** (50% chance in 0.263h)
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Yes, it's possible to generate 100000 temporary files in an EC2 medium size instance:
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<figure><img src="../../.gitbook/assets/image.png" alt=""><figcaption></figcaption></figure>
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## Nginx
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It looks like by default Nginx supports **512 parallel connections** at the same time (and this number can be improved).
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@ -2,17 +2,13 @@
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<details>
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<summary><strong><a href="https://www.twitch.tv/hacktricks_live/schedule">🎙️ HackTricks LIVE Twitch</a> Wednesdays 5.30pm (UTC) 🎙️ - <a href="https://www.youtube.com/@hacktricks_LIVE">🎥 Youtube 🎥</a></strong></summary>
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<summary><a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ HackTricks LIVE Twitch</strong></a> <strong>Wednesdays 5.30pm (UTC) 🎙️ -</strong> <a href="https://www.youtube.com/@hacktricks_LIVE"><strong>🎥 Youtube 🎥</strong></a></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 repo](https://github.com/carlospolop/hacktricks) and [hacktricks-cloud repo](https://github.com/carlospolop/hacktricks-cloud)**.
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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 repo**](https://github.com/carlospolop/hacktricks) **and** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
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</details>
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@ -65,7 +61,7 @@ ngx_open_tempfile(u_char *name, ngx_uint_t persistent, ngx_uint_t access)
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}
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```
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It's visible that **tempfile is unlinked immediately** after being opened by Nginx. Luckily p**rocfs can be used to still obtain a reference** to the deleted file via a race:
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It's visible that **tempfile is unlinked immediately** after being opened by Nginx. Luckily **procfs can be used to still obtain a reference** to the deleted file via a race:
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```
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...
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@ -296,16 +292,12 @@ if __name__ == "__main__":
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<details>
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<summary><strong><a href="https://www.twitch.tv/hacktricks_live/schedule">🎙️ HackTricks LIVE Twitch</a> Wednesdays 5.30pm (UTC) 🎙️ - <a href="https://www.youtube.com/@hacktricks_LIVE">🎥 Youtube 🎥</a></strong></summary>
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<summary><a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ HackTricks LIVE Twitch</strong></a> <strong>Wednesdays 5.30pm (UTC) 🎙️ -</strong> <a href="https://www.youtube.com/@hacktricks_LIVE"><strong>🎥 Youtube 🎥</strong></a></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 repo](https://github.com/carlospolop/hacktricks) and [hacktricks-cloud repo](https://github.com/carlospolop/hacktricks-cloud)**.
|
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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)
|
||||
* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
|
||||
* **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 repo**](https://github.com/carlospolop/hacktricks) **and** [**hacktricks-cloud repo**](https://github.com/carlospolop/hacktricks-cloud).
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</details>
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