2.11 Elf Binary Mangling Pt. 4: Limit Break
@eZine
Published in
tmp0ut
ยท 2 years ago
... fun things! REFS: [1] https://ftp.lol/posts/small-elf.html 3.2 The 0x31 Overlay This was first publicly demonstrated by Twitter user @f1ac5, who posted a binary [1] that printed their handle. It came to my attention after subvisor had posted some of their own ELF experiments. The code is clever, and it does it's overlay in an interesting way. This is the layout, with the program header fields highlighted: $ xxd f1ac5.bin 00000000: 7f45 4c46 0a6a 016a 065a 5889 c7eb 1900 .ELF.j.j.ZX..... 00000010: 0200 3e00 0f05 eb49 0500 0100 0000 0000 ..>....I........ 00000020: 3100 0000 0000 0000 be49 0001 00eb e500 1........I...... p_type ...
