Function at 0x47f238
Capabilities:
Check mutex on windows
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffd8
push ebx
mov ebx, eax
push 1
lea eax, [ebp - 0x20]
push eax
call sub.advapi32.dll_InitializeSecurityDescriptor
push 0
push 0
push 0xffffffffffffffff
lea eax, [ebp - 0x20]
push eax
call sub.advapi32.dll_SetSecurityDescriptorDacl
mov dword [ebp - 0xc], 0xc
lea eax, [ebp - 0x20]
mov dword [ebp - 8], eax
mov dword [ebp - 4], 0xffffffff
mov eax, dword [0x4904d8]
call fcn.00404550
push eax
push 0x400
push 0
push 4
lea eax, [ebp - 0xc]
push eax
push 0xffffffffffffffff
call sub.kernel32.dll_CreateFileMappingA
mov dword [0x491d48], eax
call sub.kernel32.dll_GetLastError
cmp eax, 0xb7
jne 0x47f3bf
mov eax, dword [0x4904d8]
call fcn.00404550
push eax
push 0
push 0xf001f
call sub.kernel32.dll_OpenFileMappingA
mov dword [0x491d48], eax
cmp dword [0x491d48], 0
jne 0x47f2e0
call sub.kernel32.dll_GetLastError
mov dword [ebp - 0x28], eax
mov byte [ebp - 0x24], 0
lea edx, [ebp - 0x28]
xor ecx, ecx
mov al, 0x3a
call fcn.004796a4
push 0
push 0
push 0
push 0xf001f
mov eax, dword [0x491d48]
push eax
call sub.kernel32.dll_MapViewOfFile
mov dword [0x491d60], eax
cmp dword [0x491d60], 0
jne 0x47f31c
call sub.kernel32.dll_GetLastError
mov dword [ebp - 0x28], eax
mov byte [ebp - 0x24], 0
lea edx, [ebp - 0x28]
xor ecx, ecx
mov al, 0x3a
call fcn.004796a4
mov eax, dword [0x491d60]
add eax, 0x400
sub eax, 4
mov dword [0x491d64], eax
mov eax, dword [0x491d64]
sub eax, 4
mov dword [0x491d68], eax
mov eax, dword [0x491d68]
sub eax, 4
mov dword [0x491d6c], eax
mov eax, dword [0x491d6c]
sub eax, 8
mov dword [0x491d74], eax
mov eax, dword [0x491d74]
sub eax, 4
mov dword [0x491d70], eax
mov eax, dword [0x4904d4]
call fcn.00404550
push eax
push 0
push 0x1f0001
call sub.kernel32.dll_OpenMutexA
mov dword [0x491d4c], eax
mov eax, 2
call fcn.0047f19c
mov dword [0x491d50], eax
mov eax, 3
call fcn.0047f19c
mov dword [0x491d54], eax
mov eax, 4
call fcn.0047f19c
mov dword [0x491d58], eax
mov eax, 5
call fcn.0047f19c
mov dword [0x491d5c], eax
jmp 0x47f4a2
mov eax, dword [0x4904d4]
call fcn.00404550
push eax
push 0
lea eax, [ebp - 0xc]
push eax
call fcn.00406628
mov dword [0x491d4c], eax
push ebp
xor edx, edx
mov eax, 2
call fcn.0047f1e4
pop ecx
mov dword [0x491d50], eax
push ebp
mov dl, 1
mov eax, 3
call fcn.0047f1e4
pop ecx
mov dword [0x491d54], eax
push ebp
xor edx, edx
mov eax, 4
call fcn.0047f1e4
pop ecx
mov dword [0x491d58], eax
push ebp
xor edx, edx
mov eax, 5
call fcn.0047f1e4
pop ecx
mov dword [0x491d5c], eax
push 0
push 0
push 0
push 0xf001f
mov eax, dword [0x491d48]
push eax
call sub.kernel32.dll_MapViewOfFile
mov dword [0x491d60], eax
mov eax, dword [0x491d60]
add eax, 0x400
sub eax, 4
mov dword [0x491d64], eax
mov eax, dword [0x491d64]
sub eax, 4
mov dword [0x491d68], eax
mov eax, dword [0x491d68]
sub eax, 4
mov dword [0x491d6c], eax
mov eax, dword [0x491d6c]
sub eax, 8
mov dword [0x491d74], eax
mov eax, dword [0x491d74]
sub eax, 4
mov dword [0x491d70], eax
mov eax, dword [0x491d64]
xor edx, edx
mov dword [eax], edx
mov eax, dword [0x491d68]
xor edx, edx
mov dword [eax], edx
mov eax, dword [0x491d70]
xor edx, edx
mov dword [eax], edx
mov eax, dword [0x491d64]
cmp dword [eax], 0
jge 0x47f4b5
mov eax, dword [0x491d64]
xor edx, edx
mov dword [eax], edx
mov eax, dword [0x491d68]
cmp dword [eax], 0
jge 0x47f4c8
mov eax, dword [0x491d68]
xor edx, edx
mov dword [eax], edx
mov byte [ebx + 0xf], 1
pop ebx
mov esp, ebp
pop ebp
ret