All Questions
6
questions
1
vote
0
answers
180
views
silvio packer for shared libray leads to error: "ELF load command address/offset not properly aligned"
I'm trying to implement a packer based on silvio infection. The packer works fine for ET_EXEC. However, it failed with "ELF load command address/offset not properly aligned" error for the ...
- 81
1
vote
0
answers
72
views
failed to trigger packer's loader by overwritting the entry of rela.dyn on aarch64
I have implemented packer of x86_64 shared library.
Briefly, a loader is injected to a shared library, and
the rela.dyn entry is modified such that it points to the address of the loader. Once the ...
- 81
1
vote
0
answers
131
views
Packers that partially decrypts contents on-the-fly
I'm on the lookout for packers that I could use/read the source for, that don't decrypt the contents of the original binary in one go and jump to it. Do you know of any packer that decodes/decrypts a ...
user1743
5
votes
2
answers
16k
views
Decoding the UPX ELF header file
Still on my way to understand how to prevent the usage of the -d (decompress) option of UPX (see this question), I try to identify the header file of UPX in ELF executable files.
Looking at the code, ...
- 19.2k
6
votes
3
answers
12k
views
Packers/Protectors for Linux
I was wondering if anyone had come across a packer/protector which could be used for ELF binaries. There seem to be quite a few articles on writing packers and protectors for the PE format -- however, ...
user1743
3
votes
1
answer
1k
views
Known publicly available modified UPX ELF packer [closed]
Anyone know of any publicly available modified versions of UPX for ELF? I.e. one that is not able to be unpacked using upx -d. The unpacking stub in the binary is slightly obfuscated. I am looking to ...
- 131