Questions tagged [decryption]
Process of decoding an encrypted message with an authorized access (knowledge of the protocol, the encryption algorithm and the key).
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Decoding set of byte arrays representing light spectrum
I have a small spectrometer that measures in the spectral range of 740-1070nm. The device is commercial, and used to send the raw data to the manufacturer's server for decoding, but that does not seem ...
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Decyphering 8kbps audio file format used in Solar Chanting Lotus
I'm trying to reverse engineer a solar powered chanting lotus flower so that I might replace the built in audio with something more interesting. The main chip (JL16B-083A - haven't been able to find ...
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Decrypt PPPoE password of Huawei ONT HG8145V5
I am trying to get the PPPoE password of my Huawei ONT, model HG8145V5. When I access the ONT user interface and go to WAN settings, I can clearly see the PPPoE username. However, the password is ...
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PPPoE password Huawei HG8245W5-6T
can someone help me to decrypt the PPPoE password from a Huawei HG8245W5-6T fiber optic ont.
The password has this format "$2lT_)L2t{NViWZSYEt@"/qwP82OAN)<s+mv~AVu["$".
I tried ...
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How to find passphrase for Lua maked in cocos game?
I tried to decompile and find main.lua in file (link below) with IDA Pro but it wasn't helpful, because every lua file has it own signature and there is no key near string main.lua.
I also tried to ...
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How the hash/code in url is generated
I am trying to scrape publicly available sites by urls. But the problem is I can not understand the urls needed to be accessed.
URLs are like
https://ldtax.gov.bd/ldtax-holdings/individual-rashid-...
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Extract assets images from a games APK [closed]
I'm trying to remove some images from an android game, but when I try to view them in a hexadecimal viewer I see that they don't contain a PNG header, so I can't view them through the python PIL ...
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Find decryption key of coco2d lua
I am trying to find the encryption key for a lua file from a .so file
But I am new in this field. I visit websites and found that key is inside xxteaDecrypt function I found two xxteaDecrypt function.
...
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Decode encoded XHR/Ajax response payload
I'm trying to access a site using it's API with Insomnia client, but some XHR responses are encoded, it seems. I don't know the exact algorithm that's being used (but it's not base64, I tried decoding)...
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I have just started working on firmware analysis. I do not know where to start from and what steps to follow
I am in the final semester of my college degree and I am working on firmware analysis. I have tried reversing various bin files of firmware provided by dlink. All of them seems to be encrypted and I ...
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Reversing an RSA function throws pkcs decoding error
I'm working my way through reversing a toy challenge, and I find myself stuck. The app is pretty simple, it spits out a blob of text (e.g. "3b880a90e476d66569d9d5dfb5cd755af3f..."). Dumping ...
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HELP Decrypting Lua files
i'm trying to mod a game named : DDTank Mobile, which is on both Android & IOS.
This game runs on cocos2d engine, the thing is the lua files are encrypted.
I read somewhere to look for 'sign' at ...
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How to decrypt a PIE file for a game's assets?
I want to see the assets for Garbage Pail Kids: Mad Mike and the Quest for Stale Gum
I noticed the file was in PIE format. I tried opening them with every program I have, but nothing works; And add ...
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Decrypt Keybindings for EVE Online
I've had this idea for a while for a tool I'd like to make to assist people in getting used to keybinds in EVE Online. Not sure how useful it'd actually be, but seems like a fun project nonetheless.
I'...
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Find out what is this binary database entry and what format it is
the following varbinary "BUFFER" of a database entry is for an article.
FIELD_0 is in plain text and the item name is "1", which I created with the item management software.
[...
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Which encryption method has been used?
Anyone please can you tell me which method used to encrypt this kind of codes?
im really confused, that would really helps me.
This encrypted data created by a PHP.
Ibª„bÏ}◊Kì-yNî˜>Efi¶ØÁÇ_^§ ...
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Huawei HG8245W5 Router PPPoE Password Decryption
My ISP is not providing pppoe accounts but I need to bridge to my server.
I only have encrypted password. Password is " $2'4e0YX=y6Q]$\9$c#-+F-h2&Tva4"GYn+qY)x>W$ "
Can anyone ...
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How can I decrypt password of HG8145V5 PPPoE?
I want to convert my ISP given router from route WAN to bridge WAN mode and they are using PPPoE connection. I also have backup of configuration and its file name is "hw_ctree.xml".
I was ...
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Huawei HG8145V5 Router PPPoE Password Decryption
My ISP is not providing pppoe accounts but I need to bridge to my server. I only have encrypted password. Password is " $26w5`KU6gm#C73JK48OG8_jdY'dQePTOu$0'G8q\V$ " Can anyone help me ...
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I have an application that views an encrypted document and stored it as an (encrypted) pdf
When I load this application with lldb, surprisingly no anti-debugger techniques scuttle it. I've even managed to find an interesting breakpoint to set...
break set -r AES_decrypt -s /usr/lib/...
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Extract resource images from a games APK
I'm looking to pull the images off of the game "Summoners War" to use for wallpapers and such. I have access to the images themselves, but they seem to be encrypted and cannot be viewed. ...
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How to decrypt cocos2d luac type?
I am new with IDA and cocos2d. Since I have learned how to decrypt cocos2d Lua file, I found xxtea tool with Sign and Key and how to find Sign header in some game in Lua file.
But that method does not ...
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How exactly Hex editor is used?
I'm new to reverse engineering. So I decided to start with some game files in my computer. The main goal was to understand how hex editor used to identify files and extract needed data.
In my case I ...
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Extracting ZTE F670L router's config.bin file
I want to enable telnet in my router (ZTE F670L V9.0.11P1N20D), So, I backup my router and i have a file config.bin, Size 23.5KB. I fired up kali and when i issue this command:
$ file config.bin
...
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How to decode/decrypt/decipher an unknown 83 bytes long UDP payload?
I have an unknown 83 bytes long payload which I would like to decode/decrypt/decipher…
I got an alarm system from vendor www.jablotron.com, an old device, but it works perfectly.
It’s JA-63 with a LAN ...
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Retrieve all parameters of specific function: How to automate
I'm trying to reverse engineer.NET binary with dnspy. I have a decryption routine that is used to display useful strings. It takes one integer value as a parameter and uses it in the decryption ...
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how to decrypt zte zxhn h108n V2.5.5_VDFT13 config.bin?
I need the root password from my router. I need to change my snr because my provider had lock it at a high value. I try to decrypt my config.bin file but no result. I try first with zte-config-utility
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How to found signature XTEA for Lua
I found an dynamic link library, which is available for download at the following link:
[libgame.so] (https://easyupload.io/oh94nx)
I found the function responsible for decrypting xtea:
(https://...
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Decoding Game data
I am very new to this whole business so please bear with me.
Goal: Am trying to decode data from a post request from game to server starting with Q0.
Most of the game data is encoded in Base64, but ...
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Finding AES Key in binary using Ghidra and FindCrypt
I would like to learn more about RE.
I wrote a simple program on a STM32F107 which does nothing else than encrypting and decrypting a text once using AES128-ECB.
Here is the C code (I intentionally ...
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Trying to decrypt the output from a BLE scale
I'm trying to decrypt the readings from a BLE scale, which seems to be transmitting readings in the manufacturer data.
Here are a few readings using python bleak library to scan device advertisements:
...
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Extract text data from a encrypted .DAT file of a game
I want to read a text .DAT file, but it's "encrypted". The file is from the a smartphone game. There are several .dat files stored on the smartphone, I would like to decode them to know the ...
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is it possible to get code out of chipset through reverse engineering?
for example, encryption/decryption mechanism was inbuilt in a chip, to get the code that performs this mechanisms, is there some ways you can get this code through reverse engineering? what tools and ...
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Cocos2d xxtea game lua decrypt
How can I use the 16 byte xxtea byte as python
I found the password directly but I want to change the bytecode of the password with 16 bytes as in the picture
_BYTE *__fastcall sub_D4CA64(__int64 a1, ...
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Issue in opening a file type after unzipping
I downloaded a file from this link https://storage.cloud.google.com/gresearch/smallcnnzoo-dataset/cifar10.tar.xz, and I successfully downloaded the archive file.I unzipped it using 7-Zip. After ...
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How can I decode this Malicious php code?
I found this backdoor on a client's website.
https://github.com/baogiaphucthinh/Malicious-php/blob/main/1259da6sc.php (original file)
I have gotten rid of it and realise it's an obfuscated script but ...
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Decrypt AES-256-GCM TLS 1.2 encrypted packets, I have the key but I don't have the IV can I still decrypt?
Can I decrypt AES-256-GCM TLS 1.2 encrypted packets, I have the key but I don't have the IV can I still decrypt? I am getting these packets from wireshark. I know that the IV might be at the front of ...
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How can I decrypte the data in this SQLite Database file
I have this SQLite Database file
https://we.tl/t-RwKqYyS3D7
When I open it in notepad++, I got some decoded strings. I was trying to clean it and show only the strings without the symboles but then I ...
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RE on firmware images that seem to use weak encryption/obfuscation. Robot vacuum
I have been playing with some robot vacuums that utilize very basic navigation, and I am wanting to play around with my own provisioning along with adding a Rpi to augment features.
These vacuums are ...
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where can i find decryption key inside of the dll file?
I am testing a dll file , in a C# console app , and by the looks of it the dll file sends a web request with encrypted and then encoded values to a remote server.
after intercepting and analyzing the ...
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Help regarding XOR game decryption algorithm
I'm currently trying to reverse engineer the decryption algorithm for an old online game, using a chat message packet, as it contains text which is easily recognizable.
I used a packet sniffer to get ...
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How to retrieve the encryption key from a dll file?
I have a dll file that makes an http post request to a webserver , request looks something like this :
UmdUsFrEB3wGMuuAz1Znywuedx6+...
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How do I decode or decompile this class It seems codes are encrypted?
I've used JD-Gui, Luyten and other couple of Java Decompilers but it's not working what is the problem in here? Thanks! It's A Mod (Minecraft) and I'm porting into different versions.
Code:
public ...
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Reverse engineer decryption of cookie
TL; DR
Is there any way you might suggest decrypting this cookie? It was saved under the name mail, so I suspect it encrypts an email address:
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Find Decryption algorithm of an encryption algorithm
I recently work on an algorithm that encrypt some data with 8 byte length.
I worked hard and I successful to get this algorithm, but I need decryption of this algorithm.
How I can invert it?
I guess ...
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decryption of firmware file from modem/router Speedport Plus (Sercomm not ZTE)? [closed]
Although I have no hope really I will leave this here in case someone has the ability and time to help.
This is from a modem/router widely used in countries like Germany, Greece and others from ...
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ZTE AES-256-CBC Encrypted backup config file
i tried router pass view tool on (a closed source one) it's able to decrypt the older version of it V3.1. tested on two routers of it and it gave me this output
Encrypted Data Start Position: 227
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How does one start with reversing router config encryption?
There is not enough info on the web from what I have seen.
Most write ups/guides/blog-posts are like this:
They provide only the decrypt/encrypt script-tool with how to run it and nothing else
They ...
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Decoding algorithm with checksum
I'm a newbie, so I'm asking for your help.
I have to decode dumped data from an appliance because I wanted to try understand the data.
The data are in this format and some information are known:
7E 00 ...
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