Polydrome: Palindromic RV32 ELF/DICOM Polyglot #167
Description
Entry Info
- Date: 1/1/2026
- BGGP Challenge: Palindrome and Polyglot
- Name: xcel
- Contact Info:
- Online Presence:
- Writeup Link: https://github.com/xcellerator/polydrome
File Info
- Target File Type: RV32 ELF and DICOM image
- Target File Size: 472 bytes
- SHA256 Hash: 0dda851905962bc0083233cefe66922a723e51b59564c6b77289083eb138da2c
File Contents
Please encode the file as Base64
f0VMRgEBAf///////////wIA8wD/////wgABADQAAAD/////AAAAADQAIAABAP///////wEAAAAA
AAAAAAABAP////9cAAAAXAAAAAUAAAD////////////////D+8PDw9v729vbw8PLy+P72/v728PD
w8PD//////////////9ESUNNKAAQAAIAAAAoACgAEQACAAAAKAAoAAABAgAAAAEAKAABAQIAAAAB
ACgAAwECAAAAAADgfxAAGgEAAAAAAHMFBQUFBQUFBQUFBQX9Bf0F/QX9Bf0F/QX9Bf0F/QX9Bf0F
4QWNCZPIBRMTBciTCY0F4QX9Bf0F/QX9Bf0F/QX9Bf0F/QX9Bf0FBQUFBQUFBQUFBQVzAAAAAAAB
GgAQf+AAAAAAAAIBAwAoAAEAAAACAQEAKAABAAAAAgEAACgAKAAAAAIAEQAoACgAAAACABAAKE1D
SUT//////////////8PDw8PD2/v72/vjy8vDw9vb2/vbw8PD+8P///////////////8AAAAFAAAA
XAAAAFz/////AAEAAAAAAAAAAAAB////////AAEAIAA0AAAAAP////8AAAA0AAEAwv////8A8wAC
////////////AQEBRkxFfw==
Environment Info
Tested on Debian 13 Trixie.
Target Software and Version
N/A
Environment Setup
Should just need sudo apt install build-essential nasm dcmtk qemu-user feh python3 xxd.
Additional Info
See repo polydrome for screenshot.
NOTE: If this is an update to an existing entry, please include a link to your entry below this text. Reminder that authors can only update an entry once during BGGP.