libmwemu 0.24.5

x86 32/64bits and system internals emulator, for securely emulating malware and other stuff.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72

use crate::color;
use crate::emu::Emu;
use iced_x86::Instruction;

pub fn execute(emu: &mut Emu, ins: &Instruction, instruction_sz: usize, _rep_step: bool) -> bool {
    emu.show_instruction(color!("Blue"), &crate::emu::decoded_instruction::DecodedInstruction::X86(*ins));

    let tmp_sp = emu.regs().get_sp() as u16;

    emu.regs_mut().sub_sp();
    if !emu
        .maps
        .write_word(emu.regs().get_sp() as u64, emu.regs().get_ax() as u16)
    {
        return false;
    }

    emu.regs_mut().sub_sp();
    if !emu
        .maps
        .write_word(emu.regs().get_sp() as u64, emu.regs().get_cx() as u16)
    {
        return false;
    }

    emu.regs_mut().sub_sp();
    if !emu
        .maps
        .write_word(emu.regs().get_sp() as u64, emu.regs().get_dx() as u16)
    {
        return false;
    }

    emu.regs_mut().sub_sp();
    if !emu
        .maps
        .write_word(emu.regs().get_sp() as u64, emu.regs().get_bx() as u16)
    {
        return false;
    }

    emu.regs_mut().sub_sp();
    if !emu.maps.write_word(emu.regs().get_sp() as u64, tmp_sp) {
        return false;
    }

    emu.regs_mut().sub_sp();
    if !emu
        .maps
        .write_word(emu.regs().get_sp() as u64, emu.regs().get_bp() as u16)
    {
        return false;
    }

    emu.regs_mut().sub_sp();
    if !emu
        .maps
        .write_word(emu.regs().get_sp() as u64, emu.regs().get_si() as u16)
    {
        return false;
    }

    emu.regs_mut().sub_sp();
    if !emu
        .maps
        .write_word(emu.regs().get_sp() as u64, emu.regs().get_di() as u16)
    {
        return false;
    }

    true
}