hacktricks/cryptography/crypto-ctfs-tricks.md

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# Crypto CTFs Tricks
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<details>
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<summary><a href="https://cloud.hacktricks.xyz/pentesting-cloud/pentesting-cloud-methodology"><strong>☁️ HackTricks Cloud ☁️</strong></a> -<a href="https://twitter.com/hacktricks_live"><strong>🐦 Twitter 🐦</strong></a> - <a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ Twitch 🎙️</strong></a> - <a href="https://www.youtube.com/@hacktricks_LIVE"><strong>🎥 Youtube 🎥</strong></a></summary>
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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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- **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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## Online Hashes DBs
* _**Google it**_
* [http://hashtoolkit.com/reverse-hash?hash=4d186321c1a7f0f354b297e8914ab240](http://hashtoolkit.com/reverse-hash?hash=4d186321c1a7f0f354b297e8914ab240)
* [https://www.onlinehashcrack.com/](https://www.onlinehashcrack.com)
* [https://crackstation.net/](https://crackstation.net)
* [https://md5decrypt.net/](https://md5decrypt.net)
* [https://www.onlinehashcrack.com](https://www.onlinehashcrack.com)
* [https://gpuhash.me/](https://gpuhash.me)
* [https://hashes.org/search.php](https://hashes.org/search.php)
* [https://www.cmd5.org/](https://www.cmd5.org)
* [https://hashkiller.co.uk/Cracker/MD5](https://hashkiller.co.uk/Cracker/MD5)
* [https://www.md5online.org/md5-decrypt.html](https://www.md5online.org/md5-decrypt.html)
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## Magic Autosolvers
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* [**https://github.com/Ciphey/Ciphey**](https://github.com/Ciphey/Ciphey)
* [https://gchq.github.io/CyberChef/](https://gchq.github.io/CyberChef/) (Magic module)
* [https://github.com/dhondta/python-codext](https://github.com/dhondta/python-codext)
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* [https://www.boxentriq.com/code-breaking](https://www.boxentriq.com/code-breaking)
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## Encoders
Most of encoded data can be decoded with these 2 ressources:
* [https://www.dcode.fr/tools-list](https://www.dcode.fr/tools-list)
* [https://gchq.github.io/CyberChef/](https://gchq.github.io/CyberChef/)
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### Substitution Autosolvers
* [https://www.boxentriq.com/code-breaking/cryptogram](https://www.boxentriq.com/code-breaking/cryptogram)
* [https://quipqiup.com/](https://quipqiup.com) - Very good !
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#### Caesar - ROTx Autosolvers
* [https://www.nayuki.io/page/automatic-caesar-cipher-breaker-javascript](https://www.nayuki.io/page/automatic-caesar-cipher-breaker-javascript)
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#### Atbash Cipher
* [http://rumkin.com/tools/cipher/atbash.php](http://rumkin.com/tools/cipher/atbash.php)
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### Base Encodings Autosolver
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Check all these bases with: [https://github.com/dhondta/python-codext](https://github.com/dhondta/python-codext)
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* **Ascii85**
* `BQ%]q@psCd@rH0l`
* **Base26** \[_A-Z_]
* `BQEKGAHRJKHQMVZGKUXNT`
* **Base32** \[_A-Z2-7=_]
* `NBXWYYLDMFZGCY3PNRQQ====`
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* **Zbase32** \[_ybndrfg8ejkmcpqxot1uwisza345h769_]
* `pbzsaamdcf3gna5xptoo====`
* **Base32 Geohash** \[_0-9b-hjkmnp-z_]
* `e1rqssc3d5t62svgejhh====`
* **Base32 Crockford** \[_0-9A-HJKMNP-TV-Z_]
* `D1QPRRB3C5S62RVFDHGG====`
* **Base32 Extended Hexadecimal** \[_0-9A-V_]
* `D1NMOOB3C5P62ORFDHGG====`
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* **Base45** \[_0-9A-Z $%\*+-./:_]
* `59DPVDGPCVKEUPCPVD`
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* **Base58 (bitcoin)** \[_1-9A-HJ-NP-Za-km-z_]
* `2yJiRg5BF9gmsU6AC`
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* **Base58 (flickr)** \[_1-9a-km-zA-HJ-NP-Z_]
* `2YiHqF5bf9FLSt6ac`
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* **Base58 (ripple)** \[_rpshnaf39wBUDNEGHJKLM4PQ-T7V-Z2b-eCg65jkm8oFqi1tuvAxyz_]
* `pyJ5RgnBE9gm17awU`
* **Base62** \[_0-9A-Za-z_]
* `g2AextRZpBKRBzQ9`
* **Base64** \[_A-Za-z0-9+/=_]
* `aG9sYWNhcmFjb2xh`
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* **Base67** \[_A-Za-z0-9-_.!\~\_]
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* `NI9JKX0cSUdqhr!p`
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* **Base85 (Ascii85)** \[_!"#$%&'()\*+,-./0-9:;<=>?@A-Z\[\\]^\_\`a-u_]
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* `BQ%]q@psCd@rH0l`
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* **Base85 (Adobe)** \[_!"#$%&'()\*+,-./0-9:;<=>?@A-Z\[\\]^\_\`a-u_]
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* `<~BQ%]q@psCd@rH0l~>`
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* **Base85 (IPv6 or RFC1924)** \[_0-9A-Za-z!#$%&()\*+-;<=>?@^_\`{|}\~\_]
* `Xm4y`V\_|Y(V{dF>\`
* **Base85 (xbtoa)** \[_!"#$%&'()\*+,-./0-9:;<=>?@A-Z\[\\]^\_\`a-u_]
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* `xbtoa Begin\nBQ%]q@psCd@rH0l\nxbtoa End N 12 c E 1a S 4e6 R 6991d`
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* **Base85 (XML)** \[_0-9A-Za-y!#$()\*+,-./:;=?@^\`{|}\~z\__]
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* `Xm4y|V{~Y+V}dF?`
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* **Base91** \[_A-Za-z0-9!#$%&()\*+,./:;<=>?@\[]^\_\`{|}\~"_]
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* `frDg[*jNN!7&BQM`
* **Base100** \[]
* `👟👦👣👘👚👘👩👘👚👦👣👘`
* **Base122** \[]
* `4F ˂r0Xmvc`
* **ATOM-128** \[_/128GhIoPQROSTeUbADfgHijKLM+n0pFWXY456xyzB7=39VaqrstJklmNuZvwcdEC_]
* `MIc3KiXa+Ihz+lrXMIc3KbCC`
* **HAZZ15** \[_HNO4klm6ij9n+J2hyf0gzA8uvwDEq3X1Q7ZKeFrWcVTts/MRGYbdxSo=ILaUpPBC5_]
* `DmPsv8J7qrlKEoY7`
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* **MEGAN35** \[_3G-Ub=c-pW-Z/12+406-9Vaq-zA-F5_]
* `kLD8iwKsigSalLJ5`
* **ZONG22** \[_ZKj9n+yf0wDVX1s/5YbdxSo=ILaUpPBCHg8uvNO4klm6iJGhQ7eFrWczAMEq3RTt2_]
* `ayRiIo1gpO+uUc7g`
* **ESAB46** \[]
* `3sHcL2NR8WrT7mhR`
* **MEGAN45** \[]
* `kLD8igSXm2KZlwrX`
* **TIGO3FX** \[]
* `7AP9mIzdmltYmIP9mWXX`
* **TRIPO5** \[]
* `UE9vSbnBW6psVzxB`
* **FERON74** \[]
* `PbGkNudxCzaKBm0x`
* **GILA7** \[]
* `D+nkv8C1qIKMErY1`
* **Citrix CTX1** \[]
* `MNGIKCAHMOGLKPAKMMGJKNAINPHKLOBLNNHILCBHNOHLLPBK`
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[http://k4.cba.pl/dw/crypo/tools/eng\_atom128c.html](http://k4.cba.pl/dw/crypo/tools/eng\_atom128c.html) - 404 Dead: [https://web.archive.org/web/20190228181208/http://k4.cba.pl/dw/crypo/tools/eng\_hackerize.html](https://web.archive.org/web/20190228181208/http://k4.cba.pl/dw/crypo/tools/eng\_hackerize.html)
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### HackerizeXS \[_╫Λ↻├☰┏_]
```
╫☐↑Λ↻Λ┏Λ↻☐↑Λ
```
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* [http://k4.cba.pl/dw/crypo/tools/eng\_hackerize.html](http://k4.cba.pl/dw/crypo/tools/eng\_hackerize.html) - 404 Dead: [https://web.archive.org/web/20190228181208/http://k4.cba.pl/dw/crypo/tools/eng\_hackerize.html](https://web.archive.org/web/20190228181208/http://k4.cba.pl/dw/crypo/tools/eng\_hackerize.html)
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### Morse
```
.... --- .-.. -.-. .- .-. .- -.-. --- .-.. .-
```
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* [http://k4.cba.pl/dw/crypo/tools/eng\_morse-encode.html](http://k4.cba.pl/dw/crypo/tools/eng\_morse-encode.html) - 404 Dead: [https://gchq.github.io/CyberChef/](https://gchq.github.io/CyberChef/)
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### UUencoder
```
begin 644 webutils_pl
M2$],04A/3$%(3TQ!2$],04A/3$%(3TQ!2$],04A/3$%(3TQ!2$],04A/3$%(
M3TQ!2$],04A/3$%(3TQ!2$],04A/3$%(3TQ!2$],04A/3$%(3TQ!2$],04A/
F3$%(3TQ!2$],04A/3$%(3TQ!2$],04A/3$%(3TQ!2$],04A/3$$`
`
end
```
* [http://www.webutils.pl/index.php?idx=uu](http://www.webutils.pl/index.php?idx=uu)
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### XXEncoder
```
begin 644 webutils_pl
hG2xAEIVDH236Hol-G2xAEIVDH236Hol-G2xAEIVDH236Hol-G2xAEIVDH236
5Hol-G2xAEE++
end
```
* [www.webutils.pl/index.php?idx=xx](https://github.com/carlospolop/hacktricks/tree/bf578e4c5a955b4f6cdbe67eb4a543e16a3f848d/crypto/www.webutils.pl/index.php?idx=xx)
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### YEncoder
```
=ybegin line=128 size=28 name=webutils_pl
ryvkryvkryvkryvkryvkryvkryvk
=yend size=28 crc32=35834c86
```
* [http://www.webutils.pl/index.php?idx=yenc](http://www.webutils.pl/index.php?idx=yenc)
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### BinHex
```
(This file must be converted with BinHex 4.0)
:#hGPBR9dD@acAh"X!$mr2cmr2cmr!!!!!!!8!!!!!-ka5%p-38K26%&)6da"5%p
-38K26%'d9J!!:
```
* [http://www.webutils.pl/index.php?idx=binhex](http://www.webutils.pl/index.php?idx=binhex)
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### ASCII85
```
<~85DoF85DoF85DoF85DoF85DoF85DoF~>
```
* [http://www.webutils.pl/index.php?idx=ascii85](http://www.webutils.pl/index.php?idx=ascii85)
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### Dvorak keyboard
```
drnajapajrna
```
* [https://www.geocachingtoolbox.com/index.php?lang=en\&page=dvorakKeyboard](https://www.geocachingtoolbox.com/index.php?lang=en\&page=dvorakKeyboard)
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### A1Z26
Letters to their numerical value
```
8 15 12 1 3 1 18 1 3 15 12 1
```
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### Affine Cipher Encode
Letter to num `(ax+b)%26` (_a_ and _b_ are the keys and _x_ is the letter) and the result back to letter
```
krodfdudfrod
```
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### SMS Code
**Multitap** [replaces a letter](https://www.dcode.fr/word-letter-change) by repeated digits defined by the corresponding key code on a mobile [phone keypad](https://www.dcode.fr/phone-keypad-cipher) (This mode is used when writing SMS).\
For example: 2=A, 22=B, 222=C, 3=D...\
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You can identify this code because you will see\*\* several numbers repeated\*\*.
You can decode this code in: [https://www.dcode.fr/multitap-abc-cipher](https://www.dcode.fr/multitap-abc-cipher)
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### Bacon Code
Substitude each letter for 4 As or Bs (or 1s and 0s)
```
00111 01101 01010 00000 00010 00000 10000 00000 00010 01101 01010 00000
AABBB ABBAB ABABA AAAAA AAABA AAAAA BAAAA AAAAA AAABA ABBAB ABABA AAAAA
```
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### Runes
![](../.gitbook/assets/runes.jpg)
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## Compression
**Raw Deflate** and **Raw Inflate** (you can find both in Cyberchef) can compress and decompress data without headers.
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## Easy Crypto
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### XOR - Autosolver
* [https://wiremask.eu/tools/xor-cracker/](https://wiremask.eu/tools/xor-cracker/)
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### Bifid
A keywork is needed
```
fgaargaamnlunesuneoa
```
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### Vigenere
A keywork is needed
```
wodsyoidrods
```
* [https://www.guballa.de/vigenere-solver](https://www.guballa.de/vigenere-solver)
* [https://www.dcode.fr/vigenere-cipher](https://www.dcode.fr/vigenere-cipher)
* [https://www.mygeocachingprofile.com/codebreaker.vigenerecipher.aspx](https://www.mygeocachingprofile.com/codebreaker.vigenerecipher.aspx)
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## Strong Crypto
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### Fernet
2 base64 strings (token and key)
```
Token:
gAAAAABWC9P7-9RsxTz_dwxh9-O2VUB7Ih8UCQL1_Zk4suxnkCvb26Ie4i8HSUJ4caHZuiNtjLl3qfmCv_fS3_VpjL7HxCz7_Q==
Key:
-s6eI5hyNh8liH7Gq0urPC-vzPgNnxauKvRO4g03oYI=
```
* [https://asecuritysite.com/encryption/ferdecode](https://asecuritysite.com/encryption/ferdecode)
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### Samir Secret Sharing
A secret is splitted in X parts and to recover it you need Y parts (_Y <=X_).
```
8019f8fa5879aa3e07858d08308dc1a8b45
80223035713295bddf0b0bd1b10a5340b89
803bc8cf294b3f83d88e86d9818792e80cd
```
[http://christian.gen.co/secrets/](http://christian.gen.co/secrets/)
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### OpenSSL brute-force
* [https://github.com/glv2/bruteforce-salted-openssl](https://github.com/glv2/bruteforce-salted-openssl)
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* [https://github.com/carlospolop/easy\_BFopensslCTF](https://github.com/carlospolop/easy\_BFopensslCTF)
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## Tools
* [https://github.com/Ganapati/RsaCtfTool](https://github.com/Ganapati/RsaCtfTool)
* [https://github.com/lockedbyte/cryptovenom](https://github.com/lockedbyte/cryptovenom)
* [https://github.com/nccgroup/featherduster](https://github.com/nccgroup/featherduster)
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<details>
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<summary><a href="https://cloud.hacktricks.xyz/pentesting-cloud/pentesting-cloud-methodology"><strong>☁️ HackTricks Cloud ☁️</strong></a> -<a href="https://twitter.com/hacktricks_live"><strong>🐦 Twitter 🐦</strong></a> - <a href="https://www.twitch.tv/hacktricks_live/schedule"><strong>🎙️ Twitch 🎙️</strong></a> - <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/hacktricks_live)**.**
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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>