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

use crate::emu;

pub fn RegOpenKeyExW(emu: &mut emu::Emu) {
    let hkey = emu
        .maps
        .read_dword(emu.regs().get_esp())
        .expect("kernel32!RegOpenKeyExW cannot read hkey");
    let subkey_ptr = emu
        .maps
        .read_dword(emu.regs().get_esp() + 4)
        .expect("kernel32!RegOpenKeyExW cannot read subkey") as u64;
    let options = emu
        .maps
        .read_dword(emu.regs().get_esp() + 8)
        .expect("kernel32!RegOpenKeyExW cannot read options");
    let sam = emu
        .maps
        .read_dword(emu.regs().get_esp() + 12)
        .expect("kernel32!RegOpenKeyExW cannot read sam");
    let result = emu
        .maps
        .read_dword(emu.regs().get_esp() + 16)
        .expect("kernel32!RegOpenKeyExW cannot read result");

    let subkey = emu.maps.read_wide_string(subkey_ptr);
    log_red!(emu, "kernel32!RegOpenKeyExW {}", subkey);

    for _ in 0..5 {
        emu.stack_pop32(false);
    }

    emu.regs_mut().rax = 1;
}