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diff --git a/md/writeup/elf_text_section.md b/md/writeup/elf_text_section.md new file mode 100644 index 0000000..60b8d58 --- /dev/null +++ b/md/writeup/elf_text_section.md @@ -0,0 +1,41 @@ +title:ELF text section +keywords:elf,linux + +# ELF text section +This code based on .text writable + +Find out .text section and make it writable. +segmentcheck.h contains two functions + +```c +int sec_text_check( FILE* ); +``` + +check if given file have .text writable section or not. return 0 if +fasle, 1 if true and -1 if there was some kind error. + +```c +int sec_text_set( FILE* , int ); +``` +set section segment to writable/unwritable depends on second value +that canbe 0 or 1. +Code: +Source includes two tests for both functions.I have not tested both +functions very whell. That whay there can be some error.I have used +used that for proving concept. And have checked result with +``` +test1 +``` +and +``` +readelf -l simple +``` + + + +## Links +http://toku.es/2010/06/text-writable/ + +## Downloads +elf_segment.tar.gz - +26KiB - http://archive.main.lv/files/writeup/elf_text_section/elf_segment.tar.gz |