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dillstead

HN member
Joined
Tue, Jul 29, 2025, 2:52 PM UTC
HN karma
15
Public activity
6 items

About dillstead

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Recent public activity

  1. comment
    Comment #44734883

    I wouldn't be surprised if this gets flagged but I haven't tried it.

  2. comment
    Comment #44728405

    You're right, you definitely can strip away the section headers. Notice that there's always a dynamic segment? If there wasn't, stripping away the section headers would make it ver…

  3. comment
    Comment #44728364

    Good point! I was aware that there are certain circumstances in which argv[0] might not contain the path to the executable but I didn't bother to look for an alternative. When I ge…

  4. comment
    Comment #44726735

    Yes, I've implemented this technique before at my job. Relocating assembly instructions especially those that contain branching logic can be tricky as the offsets have to be recomp…

  5. comment
    Comment #44724767

    I wrote the project entirely for fun, as a learning experience and because of that I have not extensively tested it. At the moment only ELF files of type ET_EXEC can be injected. I…

  6. story
    Show HN: ELF Injector

    The ELF Injector allows you to "inject" arbitrary-sized relocatable code chunks into ELF executables. The code chunks will run before the original entry point of the executable run…