Trainings Samples

Samples

SHA256 Author Difficulty Tags Goal Solutions Likes Comments Created
49660527c1c910ad2d3c5625c1b44682e465e45b65883dfc8d7d229d1bd0ebd8 struppigel advanced Extract the main.js, decompile and deobfuscate it so far that you can see the webhook 1 0 07 Mar 2026
161f2a6ecf64dcbbc1616d536cb2ed2e53afc5a4f5deca810b0f55cc82a6b447 malwarecakefactory medium for RE learning 1 1 22 Feb 2026
465dc7a1068d0c7d31b4ffb0a013a59ddd0320dde4389748eed99f41ee0f51ae struppigel medium How does this rootkit hide loaded modules of a process? Locate the function that is responsible for that. What's necessary to trigger the module hiding? โ€” 0 21 Feb 2026
1bc77b013c83b5b075c3d3c403da330178477843fc2d8326d90e495a61fbb01f struppigel advanced Create a static C2 extractor that uses abstract syntax tree transformations with Babel. You can use astexplorer.net as helper tool. 1 0 13 Jan 2026
2299ff9c7e5995333691f3e68373ebbb036aa619acd61cbea6c5210490699bb6 struppigel medium Create a C2 extractor using a Python script, binary refinery pipeline or CyberChef recipie 1 0 11 Jan 2026
cb21368467bdf0ca8a4cd458f54d684e10da2d43a9c7285e094d39bdc410fb10 struppigel medium Unpack the payload and extract the configuration. This is a second stage file, you find the [first stage here](https://samplepedia.cc/sample/5bc8b1a067ec4b487e88c2bb93728158633f4fdf22b111d5562cbb4ad3426d30/31/) 1 0 04 Jan 2026
5bc8b1a067ec4b487e88c2bb93728158633f4fdf22b111d5562cbb4ad3426d30 struppigel medium Deobfuscate this loader such that you get the download URL. 2 0 04 Jan 2026
0ad4f87dfa9b814b78e9db2360a89ea7940fb5ad919637bbaacb1222fb44098d struppigel medium Write an emulation-based unpacker for this crypter. Use the native 32-bit stub and RunPE shellcode. Ignore .NET. 1 0 31 Dec 2025
478d992c999a0e93ada1c9aa10644e3abdc207d407492c5bc2710986de4d42be struppigel easy Where does this office document get the next stage and how? When was the document created? โ€” 0 25 Apr 2026
060ed0ec27a0a4ad7b55425ed56d8ef0c55aa61b499d4884d1679f18d518ddf3 struppigel medium Find the two webhooks of this stealer and determine the persistence mechanisms. โ€” 0 23 Mar 2026
57e497bf62138b926d4adab395e0ab64f9f1b606ff9219e0c004fcc5a8348f7a struppigel medium Find the code that is responsible for loading the next stage. Figure out the download URL for the next stage with emulation. โ€” 0 17 Mar 2026
b0e365c603013751085946ff0500f7d8c0e3c106d3b02c368c2f267279660a6d struppigel medium Write a configuration extractor for this loader 1 0 28 Feb 2026
95a636c2b3af0bc69cc05f7b32281ff17c58cbe637bec5f8918f7514a5f37e09 struppigel easy Check out the LNK in this archive. It downloads malware. How does it achieve that? 1 0 21 Feb 2026
361f20f5843a9d609d42fc17f164eb44ed4f86ae3062e66e978c2c93890f65fd struppigel medium LICENSE.txt was run via > %ALLUSERSPROFILE%\Microsoft\AppUpdate\SystemInfo\UsbService86.exe LICENSE.txt UsbService86.exe has the signer **Python Software Foundation** Decompile the code, then create a binary refinery pipeline to unpack the next layers. (CyberChef might be an alternative, but I did not check if it has all necessary algorithms) 1 1 23 Jan 2026
4029f9fcba1c53d86f2c59f07d5657930bd5ee64cca4c5929cbd3142484e815a larsborn medium Identify and reverse engineer the string deobfuscation function in this sample. Write a binary refinery pipeline to emulate it. Bonus points if you manage to write a Ghidra script. 1 0 13 Jan 2026
67f8302a2fd28d15f62d6d20d748bfe350334e5353cbdef112bd1f8231b5599d larsborn medium Find and reverse engineer the string deobfuscation function in the sample. Create a binary refinery pipeline to decrypt the strings. Bonus points if you manage to write a Ghidra script to decrypt them all. 1 0 13 Jan 2026
ee69b74d0f0dd59fcd87304863626efb727ad6255bc29a7d48b7a441390dff1a struppigel medium This is packed by CypherIt crypter. Unpack the malware. Bonus: Extract the config of the payload. 1 0 11 Jan 2026