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carlospolop authored and gitbook-bot committed Dec 8, 2024
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10 changes: 5 additions & 5 deletions pentesting-web/2fa-bypass.md
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Expand Up @@ -9,13 +9,12 @@ Learn & practice GCP Hacking: <img src="../.gitbook/assets/grte.png" alt="" data
<summary>Support HackTricks</summary>

* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
* **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)**.**
* **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)**.**
* **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.

</details>
{% endhint %}


## **Enhanced Two-Factor Authentication Bypass Techniques**

### **Direct Endpoint Access**
Expand Down Expand Up @@ -56,6 +55,8 @@ Compromising a user's account on a trusted **OAuth** platform (e.g., Google, Fac

The lack of a limit on the number of code attempts allows for brute force attacks, though potential silent rate limiting should be considered.

Note that even if a rate limit is in place you should try to see if the response is different when the valid OTP is sent. In [**this post**](https://mokhansec.medium.com/the-2-200-ato-most-bug-hunters-overlooked-by-closing-intruder-too-soon-505f21d56732), the bug hunter discovered that even if a rate limit is triggered after 20 unsuccessful attempts by responding with 401, if the valid one was sent a 200 response was received.

#### **Slow Brute Force**

A slow brute force attack is viable where flow rate limits exist without an overarching rate limit.
Expand Down Expand Up @@ -136,8 +137,7 @@ In case the OTP is created based on data the user already has or that is sending

* [https://medium.com/@iSecMax/two-factor-authentication-security-testing-and-possible-bypasses-f65650412b35](https://github.com/carlospolop/hacktricks/blob/master/pentesting-web/%22https:/medium.com/@iSecMax/two-factor-authentication-security-testing-and-possible-bypasses-f65650412b35%22/README.md)
* [https://azwi.medium.com/2-factor-authentication-bypass-3b2bbd907718](https://azwi.medium.com/2-factor-authentication-bypass-3b2bbd907718)
* [https://getpocket.com/read/aM7dap2bTo21bg6fRDAV2c5thng5T48b3f0Pd1geW2u186eafibdXj7aA78Ip116\_1d0f6ce59992222b0812b7cab19a4bce](https://getpocket.com/read/aM7dap2bTo21bg6fRDAV2c5thng5T48b3f0Pd1geW2u186eafibdXj7aA78Ip116\_1d0f6ce59992222b0812b7cab19a4bce)

* [https://getpocket.com/read/aM7dap2bTo21bg6fRDAV2c5thng5T48b3f0Pd1geW2u186eafibdXj7aA78Ip116\_1d0f6ce59992222b0812b7cab19a4bce](https://getpocket.com/read/aM7dap2bTo21bg6fRDAV2c5thng5T48b3f0Pd1geW2u186eafibdXj7aA78Ip116_1d0f6ce59992222b0812b7cab19a4bce)

P

Expand All @@ -150,7 +150,7 @@ Learn & practice GCP Hacking: <img src="../.gitbook/assets/grte.png" alt="" data
<summary>Support HackTricks</summary>

* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
* **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)**.**
* **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)**.**
* **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.

</details>
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20 changes: 12 additions & 8 deletions pentesting-web/rate-limit-bypass.md
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Expand Up @@ -3,21 +3,21 @@
<figure><img src="../.gitbook/assets/image (48).png" alt=""><figcaption></figcaption></figure>

\
Use [**Trickest**](https://trickest.com/?utm_source=hacktricks&utm_medium=text&utm_campaign=ppc&utm_content=rate-limit-bypass) to easily build and **automate workflows** powered by the world's **most advanced** community tools.\
Use [**Trickest**](https://trickest.com/?utm_source=hacktricks\&utm_medium=text\&utm_campaign=ppc\&utm_content=rate-limit-bypass) to easily build and **automate workflows** powered by the world's **most advanced** community tools.\
Get Access Today:

{% embed url="https://trickest.com/?utm_source=hacktricks&utm_medium=banner&utm_campaign=ppc&utm_content=rate-limit-bypass" %}

{% hint style="success" %}
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">\
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)
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">\
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)

<details>

<summary>Support HackTricks</summary>

* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
* **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)**.**
* **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)**.**
* **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.

</details>
Expand Down Expand Up @@ -71,16 +71,20 @@ Deploying a network of proxies to distribute the requests across multiple IP add

If the target system applies rate limits on a per-account or per-session basis, distributing the attack or test across multiple accounts or sessions can help in avoiding detection. This approach requires managing multiple identities or session tokens, but can effectively distribute the load to stay within allowable limits.

### Keep Trying

Note that even if a rate limit is in place you should try to see if the response is different when the valid OTP is sent. In [**this post**](https://mokhansec.medium.com/the-2-200-ato-most-bug-hunters-overlooked-by-closing-intruder-too-soon-505f21d56732), the bug hunter discovered that even if a rate limit is triggered after 20 unsuccessful attempts by responding with 401, if the valid one was sent a 200 response was received.

{% hint style="success" %}
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">\
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)
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">\
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)

<details>

<summary>Support HackTricks</summary>

* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
* **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)**.**
* **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)**.**
* **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.

</details>
Expand All @@ -89,7 +93,7 @@ Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-s
<figure><img src="../.gitbook/assets/image (48).png" alt=""><figcaption></figcaption></figure>

\
Use [**Trickest**](https://trickest.com/?utm_source=hacktricks&utm_medium=text&utm_campaign=ppc&utm_content=rate-limit-bypass) to easily build and **automate workflows** powered by the world's **most advanced** community tools.\
Use [**Trickest**](https://trickest.com/?utm_source=hacktricks\&utm_medium=text\&utm_campaign=ppc\&utm_content=rate-limit-bypass) to easily build and **automate workflows** powered by the world's **most advanced** community tools.\
Get Access Today:

{% embed url="https://trickest.com/?utm_source=hacktricks&utm_medium=banner&utm_campaign=ppc&utm_content=rate-limit-bypass" %}

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