mirror of
https://github.com/yuzu-emu/unicorn.git
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670 lines
25 KiB
Java
670 lines
25 KiB
Java
/*
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Java bindings for the Unicorn Emulator Engine
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Copyright(c) 2015 Chris Eagle
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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version 2 as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/* Unicorn Emulator Engine */
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/* By Nguyen Anh Quynh & Dang Hoang Vu, 2015 */
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/* Sample code to demonstrate how to emulate X86 code */
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import unicorn.*;
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public class Sample_x86 {
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// code to be emulated
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public static final byte[] X86_CODE32 = {65,74};
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public static final byte[] X86_CODE32_JUMP = {-21,2,-112,-112,-112,-112,-112,-112};
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public static final byte[] X86_CODE32_SELF = {-21,28,90,-119,-42,-117,2,102,61,-54,125,117,6,102,5,3,3,-119,2,-2,-62,61,65,65,65,65,117,-23,-1,-26,-24,-33,-1,-1,-1,49,-46,106,11,88,-103,82,104,47,47,115,104,104,47,98,105,110,-119,-29,82,83,-119,-31,-54,125,65,65,65,65};
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public static final byte[] X86_CODE32_LOOP = {65,74,-21,-2};
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public static final byte[] X86_CODE32_MEM_WRITE = {-119,13,-86,-86,-86,-86,65,74};
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public static final byte[] X86_CODE32_MEM_READ = {-117,13,-86,-86,-86,-86,65,74};
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public static final byte[] X86_CODE32_JMP_INVALID = {-23,-23,-18,-18,-18,65,74};
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public static final byte[] X86_CODE32_INOUT = {65,-28,63,74,-26,70,67};
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public static final byte[] X86_CODE64 = {65,-68,59,-80,40,42,73,15,-55,-112,77,15,-83,-49,73,-121,-3,-112,72,-127,-46,-118,-50,119,53,72,-9,-39,77,41,-12,73,-127,-55,-10,-118,-58,83,77,-121,-19,72,15,-83,-46,73,-9,-44,72,-9,-31,77,25,-59,77,-119,-59,72,-9,-42,65,-72,79,-115,107,89,77,-121,-48,104,106,30,9,60,89};
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public static final byte[] X86_CODE16 = {0, 0}; // add byte ptr [bx + si], al
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// memory address where emulation starts
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public static final int ADDRESS = 0x1000000;
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public static final long toInt(byte val[]) {
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long res = 0;
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for (int i = 0; i < val.length; i++) {
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long v = val[i] & 0xff;
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res = res + (v << (i * 8));
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}
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return res;
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}
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public static final byte[] toBytes(long val) {
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byte[] res = new byte[8];
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for (int i = 0; i < 8; i++) {
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res[i] = (byte)(val & 0xff);
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val >>>= 8;
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}
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return res;
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}
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// callback for tracing basic blocks
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// callback for tracing instruction
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private static class MyBlockHook implements BlockHook {
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public void hook(Unicorn u, long address, int size, Object user_data) {
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System.out.printf(">>> Tracing basic block at 0x%x, block size = 0x%x\n", address, size);
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}
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}
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// callback for tracing instruction
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private static class MyCodeHook implements CodeHook {
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public void hook(Unicorn u, long address, int size, Object user_data) {
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System.out.printf(">>> Tracing instruction at 0x%x, instruction size = 0x%x\n", address, size);
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byte eflags[] = u.reg_read(Unicorn.UC_X86_REG_EFLAGS, 4);
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System.out.printf(">>> --- EFLAGS is 0x%x\n", toInt(eflags));
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// Uncomment below code to stop the emulation using uc_emu_stop()
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// if (address == 0x1000009)
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// u.emu_stop();
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}
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}
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private static class MyWriteInvalidHook implements EventMemHook {
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public boolean hook(Unicorn u, long address, int size, long value, Object user) {
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System.out.printf(">>> Missing memory is being WRITE at 0x%x, data size = %d, data value = 0x%x\n",
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address, size, value);
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// map this memory in with 2MB in size
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u.mem_map(0xaaaa0000, 2 * 1024*1024, Unicorn.UC_PROT_ALL);
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// return true to indicate we want to continue
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return true;
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}
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}
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// callback for tracing instruction
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private static class MyCode64Hook implements CodeHook {
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public void hook(Unicorn u, long address, int size, Object user_data) {
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byte[] r_rip = u.reg_read(Unicorn.UC_X86_REG_RIP, 8);
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System.out.printf(">>> Tracing instruction at 0x%x, instruction size = 0x%x\n", address, size);
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System.out.printf(">>> RIP is 0x%x\n", toInt(r_rip));
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// Uncomment below code to stop the emulation using uc_emu_stop()
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// if (address == 0x1000009)
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// uc_emu_stop(handle);
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}
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}
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private static class MyRead64Hook implements ReadHook {
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public void hook(Unicorn u, long address, int size, Object user) {
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System.out.printf(">>> Memory is being READ at 0x%x, data size = %d\n", address, size);
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}
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}
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private static class MyWrite64Hook implements WriteHook {
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public void hook(Unicorn u, long address, int size, long value, Object user) {
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System.out.printf(">>> Memory is being WRITE at 0x%x, data size = %d, data value = 0x%x\n",
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address, size, value);
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}
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}
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// callback for IN instruction (X86).
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// this returns the data read from the port
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private static class MyInHook implements InHook {
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public int hook(Unicorn u, int port, int size, Object user_data) {
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byte[] r_eip = u.reg_read(Unicorn.UC_X86_REG_EIP, 4);
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System.out.printf("--- reading from port 0x%x, size: %d, address: 0x%x\n", port, size, toInt(r_eip));
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switch(size) {
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case 1:
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// read 1 byte to AL
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return 0xf1;
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case 2:
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// read 2 byte to AX
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return 0xf2;
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case 4:
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// read 4 byte to EAX
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return 0xf4;
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}
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return 0;
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}
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}
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// callback for OUT instruction (X86).
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private static class MyOutHook implements OutHook {
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public void hook(Unicorn u, int port, int size, int value, Object user) {
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byte[] eip = u.reg_read(Unicorn.UC_X86_REG_EIP, 4);
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byte[] tmp = null;
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System.out.printf("--- writing to port 0x%x, size: %d, value: 0x%x, address: 0x%x\n", port, size, value, toInt(eip));
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// confirm that value is indeed the value of AL/AX/EAX
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switch(size) {
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default:
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return; // should never reach this
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case 1:
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tmp = u.reg_read(Unicorn.UC_X86_REG_AL, 1);
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break;
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case 2:
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tmp = u.reg_read(Unicorn.UC_X86_REG_AX, 2);
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break;
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case 4:
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tmp = u.reg_read(Unicorn.UC_X86_REG_EAX, 4);
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break;
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}
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System.out.printf("--- register value = 0x%x\n", toInt(tmp));
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}
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}
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static void test_i386() {
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byte r_ecx[] = {(byte)0x34, (byte)0x12, 0, 0}; //0x1234; // ECX register
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byte r_edx[] = {(byte)0x90, (byte)0x78, 0, 0}; //0x7890; // EDX register
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System.out.print("Emulate i386 code\n");
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// Initialize emulator in X86-32bit mode
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Unicorn uc;
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try {
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uc = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_32);
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} catch (UnicornException uex) {
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System.out.println("Failed on uc_open() with error returned: " + uex);
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return;
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}
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// map 2MB memory for this emulation
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uc.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
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// write machine code to be emulated to memory
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try {
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uc.mem_write(ADDRESS, X86_CODE32);
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} catch (UnicornException uex) {
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System.out.println("Failed to write emulation code to memory, quit!\n");
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return;
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}
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// initialize machine registers
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uc.reg_write(Unicorn.UC_X86_REG_ECX, r_ecx);
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uc.reg_write(Unicorn.UC_X86_REG_EDX, r_edx);
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// tracing all basic blocks with customized callback
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uc.hook_add(new MyBlockHook(), 1, 0, null);
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// tracing all instruction by having @begin > @end
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uc.hook_add(new MyCodeHook(), 1, 0, null);
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// emulate machine code in infinite time
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try {
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uc.emu_start(ADDRESS, ADDRESS + X86_CODE32.length, 0, 0);
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} catch (UnicornException uex) {
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System.out.printf("Failed on uc_emu_start() with error : %s\n",
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uex.getMessage());
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}
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// now print out some registers
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System.out.print(">>> Emulation done. Below is the CPU context\n");
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r_ecx = uc.reg_read(Unicorn.UC_X86_REG_ECX, 4);
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r_edx = uc.reg_read(Unicorn.UC_X86_REG_EDX, 4);
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System.out.printf(">>> ECX = 0x%x\n", toInt(r_ecx));
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System.out.printf(">>> EDX = 0x%x\n", toInt(r_edx));
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// read from memory
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try {
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byte tmp[] = uc.mem_read(ADDRESS, 4);
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System.out.printf(">>> Read 4 bytes from [0x%x] = 0x%x\n", ADDRESS, toInt(tmp));
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} catch (UnicornException ex) {
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System.out.printf(">>> Failed to read 4 bytes from [0x%x]\n", ADDRESS);
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}
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uc.close();
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}
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static void test_i386_inout()
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{
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byte[] r_eax = {0x34, 0x12, 0, 0}; //0x1234; // EAX register
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byte[] r_ecx = {(byte)0x89, 0x67, 0, 0}; //0x6789; // ECX register
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System.out.print("===================================\n");
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System.out.print("Emulate i386 code with IN/OUT instructions\n");
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// Initialize emulator in X86-32bit mode
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Unicorn u = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_32);
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// map 2MB memory for this emulation
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u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
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// write machine code to be emulated to memory
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u.mem_write(ADDRESS, X86_CODE32_INOUT);
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// initialize machine registers
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u.reg_write(Unicorn.UC_X86_REG_EAX, r_eax);
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u.reg_write(Unicorn.UC_X86_REG_ECX, r_ecx);
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// tracing all basic blocks with customized callback
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u.hook_add(new MyBlockHook(), 1, 0, null);
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// tracing all instructions
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u.hook_add(new MyCodeHook(), 1, 0, null);
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// handle IN instruction
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u.hook_add(new MyInHook(), null);
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// handle OUT instruction
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u.hook_add(new MyOutHook(), null);
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// emulate machine code in infinite time
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u.emu_start(ADDRESS, ADDRESS + X86_CODE32_INOUT.length, 0, 0);
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// now print out some registers
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System.out.print(">>> Emulation done. Below is the CPU context\n");
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r_eax = u.reg_read(Unicorn.UC_X86_REG_EAX, 4);
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r_ecx = u.reg_read(Unicorn.UC_X86_REG_ECX, 4);
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System.out.printf(">>> EAX = 0x%x\n", toInt(r_eax));
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System.out.printf(">>> ECX = 0x%x\n", toInt(r_ecx));
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u.close();
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}
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static void test_i386_jump()
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{
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System.out.print("===================================\n");
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System.out.print("Emulate i386 code with jump\n");
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// Initialize emulator in X86-32bit mode
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Unicorn u = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_32);
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// map 2MB memory for this emulation
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u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
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// write machine code to be emulated to memory
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u.mem_write(ADDRESS, X86_CODE32_JUMP);
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// tracing 1 basic block with customized callback
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u.hook_add(new MyBlockHook(), ADDRESS, ADDRESS, null);
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// tracing 1 instruction at ADDRESS
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u.hook_add(new MyCodeHook(), ADDRESS, ADDRESS, null);
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// emulate machine code in infinite time
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u.emu_start(ADDRESS, ADDRESS + X86_CODE32_JUMP.length, 0, 0);
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System.out.print(">>> Emulation done. Below is the CPU context\n");
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u.close();
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}
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// emulate code that loop forever
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static void test_i386_loop()
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{
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byte r_ecx[] = {(byte)0x34, (byte)0x12, 0, 0}; //0x1234; // ECX register
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byte r_edx[] = {(byte)0x90, (byte)0x78, 0, 0}; //0x7890; // EDX register
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System.out.print("===================================\n");
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System.out.print("Emulate i386 code that loop forever\n");
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// Initialize emulator in X86-32bit mode
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Unicorn u = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_32);
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// map 2MB memory for this emulation
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u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
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// write machine code to be emulated to memory
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u.mem_write(ADDRESS, X86_CODE32_LOOP);
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// initialize machine registers
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u.reg_write(Unicorn.UC_X86_REG_ECX, r_ecx);
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u.reg_write(Unicorn.UC_X86_REG_EDX, r_edx);
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// emulate machine code in 2 seconds, so we can quit even
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// if the code loops
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u.emu_start(ADDRESS, ADDRESS + X86_CODE32_LOOP.length, 2 * Unicorn.UC_SECOND_SCALE, 0);
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// now print out some registers
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System.out.print(">>> Emulation done. Below is the CPU context\n");
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r_ecx = u.reg_read(Unicorn.UC_X86_REG_ECX, 4);
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r_edx = u.reg_read(Unicorn.UC_X86_REG_EDX, 4);
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System.out.printf(">>> ECX = 0x%x\n", toInt(r_ecx));
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System.out.printf(">>> EDX = 0x%x\n", toInt(r_edx));
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u.close();
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}
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// emulate code that read invalid memory
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static void test_i386_invalid_mem_read()
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{
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byte r_ecx[] = {(byte)0x34, (byte)0x12, 0, 0}; //0x1234; // ECX register
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byte r_edx[] = {(byte)0x90, (byte)0x78, 0, 0}; //0x7890; // EDX register
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System.out.print("===================================\n");
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System.out.print("Emulate i386 code that read from invalid memory\n");
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// Initialize emulator in X86-32bit mode
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Unicorn u = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_32);
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// map 2MB memory for this emulation
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u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
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// write machine code to be emulated to memory
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u.mem_write(ADDRESS, X86_CODE32_MEM_READ);
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// initialize machine registers
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u.reg_write(Unicorn.UC_X86_REG_ECX, r_ecx);
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u.reg_write(Unicorn.UC_X86_REG_EDX, r_edx);
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// tracing all basic blocks with customized callback
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u.hook_add(new MyBlockHook(), 1, 0, null);
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// tracing all instruction by having @begin > @end
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u.hook_add(new MyCodeHook(), 1, 0, null);
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// emulate machine code in infinite time
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try {
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u.emu_start(ADDRESS, ADDRESS + X86_CODE32_MEM_READ.length, 0, 0);
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} catch (UnicornException uex) {
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int err = u.errno();
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System.out.printf("Failed on u.emu_start() with error returned: %s\n", uex.getMessage());
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}
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// now print out some registers
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System.out.print(">>> Emulation done. Below is the CPU context\n");
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r_ecx = u.reg_read(Unicorn.UC_X86_REG_ECX, 4);
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r_edx = u.reg_read(Unicorn.UC_X86_REG_EDX, 4);
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System.out.printf(">>> ECX = 0x%x\n", toInt(r_ecx));
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System.out.printf(">>> EDX = 0x%x\n", toInt(r_edx));
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u.close();
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}
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// emulate code that read invalid memory
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static void test_i386_invalid_mem_write()
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{
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byte r_ecx[] = {(byte)0x34, (byte)0x12, 0, 0}; //0x1234; // ECX register
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byte r_edx[] = {(byte)0x90, (byte)0x78, 0, 0}; //0x7890; // EDX register
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System.out.print("===================================\n");
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System.out.print("Emulate i386 code that write to invalid memory\n");
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// Initialize emulator in X86-32bit mode
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Unicorn u = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_32);
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// map 2MB memory for this emulation
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u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
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// write machine code to be emulated to memory
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u.mem_write(ADDRESS, X86_CODE32_MEM_WRITE);
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// initialize machine registers
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u.reg_write(Unicorn.UC_X86_REG_ECX, r_ecx);
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u.reg_write(Unicorn.UC_X86_REG_EDX, r_edx);
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// tracing all basic blocks with customized callback
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u.hook_add(new MyBlockHook(), 1, 0, null);
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// tracing all instruction by having @begin > @end
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u.hook_add(new MyCodeHook(), 1, 0, null);
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// intercept invalid memory events
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u.hook_add(new MyWriteInvalidHook(), Unicorn.UC_HOOK_MEM_WRITE_INVALID, null);
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// emulate machine code in infinite time
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try {
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u.emu_start(ADDRESS, ADDRESS + X86_CODE32_MEM_WRITE.length, 0, 0);
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} catch (UnicornException uex) {
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System.out.printf("Failed on uc_emu_start() with error returned: %s\n", uex.getMessage());
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}
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// now print out some registers
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System.out.print(">>> Emulation done. Below is the CPU context\n");
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r_ecx = u.reg_read(Unicorn.UC_X86_REG_ECX, 4);
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r_edx = u.reg_read(Unicorn.UC_X86_REG_EDX, 4);
|
|
System.out.printf(">>> ECX = 0x%x\n", toInt(r_ecx));
|
|
System.out.printf(">>> EDX = 0x%x\n", toInt(r_edx));
|
|
|
|
// read from memory
|
|
byte tmp[] = u.mem_read(0xaaaaaaaa, 4);
|
|
System.out.printf(">>> Read 4 bytes from [0x%x] = 0x%x\n", 0xaaaaaaaa, toInt(tmp));
|
|
|
|
try {
|
|
u.mem_read(0xffffffaa, 4);
|
|
System.out.printf(">>> Read 4 bytes from [0x%x] = 0x%x\n", 0xffffffaa, toInt(tmp));
|
|
} catch (UnicornException uex) {
|
|
System.out.printf(">>> Failed to read 4 bytes from [0x%x]\n", 0xffffffaa);
|
|
}
|
|
|
|
u.close();
|
|
}
|
|
|
|
// emulate code that jump to invalid memory
|
|
static void test_i386_jump_invalid()
|
|
{
|
|
byte r_ecx[] = {(byte)0x34, (byte)0x12, 0, 0}; //0x1234; // ECX register
|
|
byte r_edx[] = {(byte)0x90, (byte)0x78, 0, 0}; //0x7890; // EDX register
|
|
|
|
System.out.print("===================================\n");
|
|
System.out.print("Emulate i386 code that jumps to invalid memory\n");
|
|
|
|
// Initialize emulator in X86-32bit mode
|
|
Unicorn u = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_32);
|
|
|
|
// map 2MB memory for this emulation
|
|
u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
|
|
|
|
// write machine code to be emulated to memory
|
|
u.mem_write(ADDRESS, X86_CODE32_JMP_INVALID);
|
|
|
|
// initialize machine registers
|
|
u.reg_write(Unicorn.UC_X86_REG_ECX, r_ecx);
|
|
u.reg_write(Unicorn.UC_X86_REG_EDX, r_edx);
|
|
|
|
// tracing all basic blocks with customized callback
|
|
u.hook_add(new MyBlockHook(), 1, 0, null);
|
|
|
|
// tracing all instructions by having @begin > @end
|
|
u.hook_add(new MyCodeHook(), 1, 0, null);
|
|
|
|
// emulate machine code in infinite time
|
|
try {
|
|
u.emu_start(ADDRESS, ADDRESS + X86_CODE32_JMP_INVALID.length, 0, 0);
|
|
} catch (UnicornException uex) {
|
|
System.out.printf("Failed on uc_emu_start() with error returned: %s\n", uex.getMessage());
|
|
}
|
|
|
|
// now print out some registers
|
|
System.out.print(">>> Emulation done. Below is the CPU context\n");
|
|
|
|
r_ecx = u.reg_read(Unicorn.UC_X86_REG_ECX, 4);
|
|
r_edx = u.reg_read(Unicorn.UC_X86_REG_EDX, 4);
|
|
System.out.printf(">>> ECX = 0x%x\n", toInt(r_ecx));
|
|
System.out.printf(">>> EDX = 0x%x\n", toInt(r_edx));
|
|
|
|
u.close();
|
|
}
|
|
|
|
static void test_x86_64()
|
|
{
|
|
long rax = 0x71f3029efd49d41dL;
|
|
long rbx = 0xd87b45277f133ddbL;
|
|
long rcx = 0xab40d1ffd8afc461L;
|
|
long rdx = 0x919317b4a733f01L;
|
|
long rsi = 0x4c24e753a17ea358L;
|
|
long rdi = 0xe509a57d2571ce96L;
|
|
long r8 = 0xea5b108cc2b9ab1fL;
|
|
long r9 = 0x19ec097c8eb618c1L;
|
|
long r10 = 0xec45774f00c5f682L;
|
|
long r11 = 0xe17e9dbec8c074aaL;
|
|
long r12 = 0x80f86a8dc0f6d457L;
|
|
long r13 = 0x48288ca5671c5492L;
|
|
long r14 = 0x595f72f6e4017f6eL;
|
|
long r15 = 0x1efd97aea331ccccL;
|
|
|
|
long rsp = ADDRESS + 0x200000;
|
|
|
|
System.out.print("Emulate x86_64 code\n");
|
|
|
|
// Initialize emulator in X86-64bit mode
|
|
Unicorn u = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_64);
|
|
|
|
// map 2MB memory for this emulation
|
|
u.mem_map(ADDRESS, 2 * 1024 * 1024, Unicorn.UC_PROT_ALL);
|
|
|
|
// write machine code to be emulated to memory
|
|
u.mem_write(ADDRESS, X86_CODE64);
|
|
|
|
// initialize machine registers
|
|
u.reg_write(Unicorn.UC_X86_REG_RSP, toBytes(rsp));
|
|
|
|
u.reg_write(Unicorn.UC_X86_REG_RAX, toBytes(rax));
|
|
u.reg_write(Unicorn.UC_X86_REG_RBX, toBytes(rbx));
|
|
u.reg_write(Unicorn.UC_X86_REG_RCX, toBytes(rcx));
|
|
u.reg_write(Unicorn.UC_X86_REG_RDX, toBytes(rdx));
|
|
u.reg_write(Unicorn.UC_X86_REG_RSI, toBytes(rsi));
|
|
u.reg_write(Unicorn.UC_X86_REG_RDI, toBytes(rdi));
|
|
u.reg_write(Unicorn.UC_X86_REG_R8, toBytes(r8));
|
|
u.reg_write(Unicorn.UC_X86_REG_R9, toBytes(r9));
|
|
u.reg_write(Unicorn.UC_X86_REG_R10, toBytes(r10));
|
|
u.reg_write(Unicorn.UC_X86_REG_R11, toBytes(r11));
|
|
u.reg_write(Unicorn.UC_X86_REG_R12, toBytes(r12));
|
|
u.reg_write(Unicorn.UC_X86_REG_R13, toBytes(r13));
|
|
u.reg_write(Unicorn.UC_X86_REG_R14, toBytes(r14));
|
|
u.reg_write(Unicorn.UC_X86_REG_R15, toBytes(r15));
|
|
|
|
// tracing all basic blocks with customized callback
|
|
u.hook_add(new MyBlockHook(), 1, 0, null);
|
|
|
|
// tracing all instructions in the range [ADDRESS, ADDRESS+20]
|
|
u.hook_add(new MyCode64Hook(), ADDRESS, ADDRESS+20, null);
|
|
|
|
// tracing all memory WRITE access (with @begin > @end)
|
|
u.hook_add(new MyWrite64Hook(), 1, 0, null);
|
|
|
|
// tracing all memory READ access (with @begin > @end)
|
|
u.hook_add(new MyRead64Hook(), 1, 0, null);
|
|
|
|
// emulate machine code in infinite time (last param = 0), or when
|
|
// finishing all the code.
|
|
u.emu_start(ADDRESS, ADDRESS + X86_CODE64.length, 0, 0);
|
|
|
|
// now print out some registers
|
|
System.out.print(">>> Emulation done. Below is the CPU context\n");
|
|
|
|
byte[] r_rax = u.reg_read(Unicorn.UC_X86_REG_RAX, 8);
|
|
byte[] r_rbx = u.reg_read(Unicorn.UC_X86_REG_RBX, 8);
|
|
byte[] r_rcx = u.reg_read(Unicorn.UC_X86_REG_RCX, 8);
|
|
byte[] r_rdx = u.reg_read(Unicorn.UC_X86_REG_RDX, 8);
|
|
byte[] r_rsi = u.reg_read(Unicorn.UC_X86_REG_RSI, 8);
|
|
byte[] r_rdi = u.reg_read(Unicorn.UC_X86_REG_RDI, 8);
|
|
byte[] r_r8 = u.reg_read(Unicorn.UC_X86_REG_R8, 8);
|
|
byte[] r_r9 = u.reg_read(Unicorn.UC_X86_REG_R9, 8);
|
|
byte[] r_r10 = u.reg_read(Unicorn.UC_X86_REG_R10, 8);
|
|
byte[] r_r11 = u.reg_read(Unicorn.UC_X86_REG_R11, 8);
|
|
byte[] r_r12 = u.reg_read(Unicorn.UC_X86_REG_R12, 8);
|
|
byte[] r_r13 = u.reg_read(Unicorn.UC_X86_REG_R13, 8);
|
|
byte[] r_r14 = u.reg_read(Unicorn.UC_X86_REG_R14, 8);
|
|
byte[] r_r15 = u.reg_read(Unicorn.UC_X86_REG_R15, 8);
|
|
|
|
System.out.printf(">>> RAX = 0x%x\n", toInt(r_rax));
|
|
System.out.printf(">>> RBX = 0x%x\n", toInt(r_rbx));
|
|
System.out.printf(">>> RCX = 0x%x\n", toInt(r_rcx));
|
|
System.out.printf(">>> RDX = 0x%x\n", toInt(r_rdx));
|
|
System.out.printf(">>> RSI = 0x%x\n", toInt(r_rsi));
|
|
System.out.printf(">>> RDI = 0x%x\n", toInt(r_rdi));
|
|
System.out.printf(">>> R8 = 0x%x\n", toInt(r_r8));
|
|
System.out.printf(">>> R9 = 0x%x\n", toInt(r_r9));
|
|
System.out.printf(">>> R10 = 0x%x\n", toInt(r_r10));
|
|
System.out.printf(">>> R11 = 0x%x\n", toInt(r_r11));
|
|
System.out.printf(">>> R12 = 0x%x\n", toInt(r_r12));
|
|
System.out.printf(">>> R13 = 0x%x\n", toInt(r_r13));
|
|
System.out.printf(">>> R14 = 0x%x\n", toInt(r_r14));
|
|
System.out.printf(">>> R15 = 0x%x\n", toInt(r_r15));
|
|
|
|
u.close();
|
|
}
|
|
|
|
static void test_x86_16()
|
|
{
|
|
byte[] eax = toBytes(7);
|
|
byte[] ebx = toBytes(5);
|
|
byte[] esi = toBytes(6);
|
|
|
|
System.out.print("Emulate x86 16-bit code\n");
|
|
|
|
// Initialize emulator in X86-16bit mode
|
|
Unicorn u = new Unicorn(Unicorn.UC_ARCH_X86, Unicorn.UC_MODE_16);
|
|
|
|
// map 8KB memory for this emulation
|
|
u.mem_map(0, 8 * 1024, Unicorn.UC_PROT_ALL);
|
|
|
|
// write machine code to be emulated to memory
|
|
u.mem_write(0, X86_CODE16);
|
|
|
|
// initialize machine registers
|
|
u.reg_write(Unicorn.UC_X86_REG_EAX, eax);
|
|
u.reg_write(Unicorn.UC_X86_REG_EBX, ebx);
|
|
u.reg_write(Unicorn.UC_X86_REG_ESI, esi);
|
|
|
|
// emulate machine code in infinite time (last param = 0), or when
|
|
// finishing all the code.
|
|
u.emu_start(0, X86_CODE16.length, 0, 0);
|
|
|
|
// now print out some registers
|
|
System.out.print(">>> Emulation done. Below is the CPU context\n");
|
|
|
|
// read from memory
|
|
byte[] tmp = u.mem_read(11, 1);
|
|
System.out.printf(">>> Read 1 bytes from [0x%x] = 0x%x\n", 11, toInt(tmp));
|
|
|
|
u.close();
|
|
}
|
|
|
|
public static void main(String args[])
|
|
{
|
|
if (args.length == 1) {
|
|
if (args[0].equals("-32")) {
|
|
test_i386();
|
|
test_i386_inout();
|
|
test_i386_jump();
|
|
test_i386_loop();
|
|
test_i386_invalid_mem_read();
|
|
test_i386_invalid_mem_write();
|
|
test_i386_jump_invalid();
|
|
}
|
|
|
|
if (args[0].equals("-64")) {
|
|
test_x86_64();
|
|
}
|
|
|
|
if (args[0].equals("-16")) {
|
|
test_x86_16();
|
|
}
|
|
|
|
// test memleak
|
|
if (args[0].equals("-0")) {
|
|
while(true) {
|
|
test_i386();
|
|
// test_x86_64();
|
|
}
|
|
}
|
|
} else {
|
|
System.out.print("Syntax: java Sample_x86 <-16|-32|-64>\n");
|
|
}
|
|
|
|
}
|
|
|
|
}
|