Function at 0x42bd00
Capabilities:
Create service
Persist via windows service
Set current directory
Set registry value

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff0
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
sub esp, 0x258
mov eax, dword [0x55800c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push edi
push 0x104
lea eax, [ebp - 0x250]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [ebp - 0x250]
push eax
lea eax, [ebp - 0x148]
push 0x104
push eax
call fcn.004d0170
lea eax, [ebp - 0x148]
push 0x5c
push eax
call fcn.004cd350
add esp, 0x14
test eax, eax
je 0x42bd6d
mov byte [eax + 1], 0
lea eax, [ebp - 0x148]
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
test eax, eax
je 0x42bdbf
push 0x540ab8
push 0x104
push 0x56a1d0
call fcn.004d0170
lea eax, [ebp - 0x250]
push eax
push 0x104
push 0x56a1d0
call fcn.004d01ca
push str.___service
push 0x104
push 0x56a1d0
call fcn.004d01ca
add esp, 0x24
push 2
push 0
push 0
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerA]
mov edi, eax
test edi, edi
jne 0x42bdfb
push 0x10
push 0x5405f4
mov edx, str.Failed_to_open_service_control_manager
call fcn.00425e00
add esp, 8
lea eax, [edi + 1]
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cbf27
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
push 0
push 0
push str.Tcpip
push 0
push 0
push 0x56a1d0
push 1
push 2
push 0x10
push 0xf01ff
push str.uvnc_service
push str.uvnc_service
push edi
call dword [sym.imp.ADVAPI32.dll_CreateServiceA]
mov esi, eax
test esi, esi
jne 0x42bea7
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 5
jne 0x42be6d
push 0x10
push 0x5405f4
mov edx, str.Failed:_Permission_denied
call fcn.00425e00
add esp, 8
push edi
call dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov eax, 1
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cbf27
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
cmp eax, 0x431
je 0x42be4e
push 0x10
push 0x5405f4
mov edx, str.Failed_to_create_a_new_service
call fcn.00425e00
add esp, 8
push edi
call dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov eax, 1
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cbf27
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
mov eax, dword [0x5409c0]
movups xmm0, xmmword [str.Provides_secure_remote_desktop_sharing]
mov dword [ebp - 0x20], eax
mov ax, word [0x5409c4]
mov word [ebp - 0x1c], ax
mov al, byte [0x5409c6]
push str.uvnc_service
movups xmmword [ebp - 0x40], xmm0
push str.SYSTEMCurrentControlSetServices_s
movups xmm0, xmmword [0x5409b0]
mov byte [ebp - 0x1a], al
lea eax, [ebp - 0x148]
push 0x100
push eax
movups xmmword [ebp - 0x30], xmm0
call fcn.004241d0
add esp, 0x10
lea eax, [ebp - 0x258]
push eax
lea eax, [ebp - 0x254]
push eax
push 0
push 0x2001f
push 0
push 0
push 0
lea eax, [ebp - 0x148]
push eax
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExA]
lea ecx, [ebp - 0x40]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42bf28
sub ecx, edx
lea eax, [ecx + 1]
push eax
lea eax, [ebp - 0x40]
push eax
push 1
push 0
push str.Description
push dword [ebp - 0x254]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push dword [ebp - 0x254]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push esi
mov esi, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
call esi
push edi
call esi
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
xor ecx, ebp
pop esi
call fcn.004cbf27
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret