Function at 0x4b1960
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 [0x4ca774]
call fcn.00404c50
push eax
push 0x400
push 0
push 4
lea eax, [ebp - 0xc]
push eax
push 0xffffffffffffffff
call sub.kernel32.dll_CreateFileMappingA
mov dword [0x4ccc68], eax
call sub.kernel32.dll_GetLastError
cmp eax, 0xb7
jne 0x4b1ae7
mov eax, dword [0x4ca774]
call fcn.00404c50
push eax
push 0
push 0xf001f
call sub.kernel32.dll_OpenFileMappingA
mov dword [0x4ccc68], eax
cmp dword [0x4ccc68], 0
jne 0x4b1a08
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.004b6aa0
push 0
push 0
push 0
push 0xf001f
mov eax, dword [0x4ccc68]
push eax
call sub.kernel32.dll_MapViewOfFile
mov dword [0x4ccc80], eax
cmp dword [0x4ccc80], 0
jne 0x4b1a44
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.004b6aa0
mov eax, dword [0x4ccc80]
add eax, 0x400
sub eax, 4
mov dword [0x4ccc84], eax
mov eax, dword [0x4ccc84]
sub eax, 4
mov dword [0x4ccc88], eax
mov eax, dword [0x4ccc88]
sub eax, 4
mov dword [0x4ccc8c], eax
mov eax, dword [0x4ccc8c]
sub eax, 8
mov dword [0x4ccc94], eax
mov eax, dword [0x4ccc94]
sub eax, 4
mov dword [0x4ccc90], eax
mov eax, dword [0x4ca770]
call fcn.00404c50
push eax
push 0
push 0x1f0001
call sub.kernel32.dll_OpenMutexA
mov dword [0x4ccc6c], eax
mov eax, 2
call fcn.004b18c4
mov dword [0x4ccc70], eax
mov eax, 3
call fcn.004b18c4
mov dword [0x4ccc74], eax
mov eax, 4
call fcn.004b18c4
mov dword [0x4ccc78], eax
mov eax, 5
call fcn.004b18c4
mov dword [0x4ccc7c], eax
jmp 0x4b1bca
mov eax, dword [0x4ca770]
call fcn.00404c50
push eax
push 0
lea eax, [ebp - 0xc]
push eax
call fcn.00406f50
mov dword [0x4ccc6c], eax
push ebp
xor edx, edx
mov eax, 2
call fcn.004b190c
pop ecx
mov dword [0x4ccc70], eax
push ebp
mov dl, 1
mov eax, 3
call fcn.004b190c
pop ecx
mov dword [0x4ccc74], eax
push ebp
xor edx, edx
mov eax, 4
call fcn.004b190c
pop ecx
mov dword [0x4ccc78], eax
push ebp
xor edx, edx
mov eax, 5
call fcn.004b190c
pop ecx
mov dword [0x4ccc7c], eax
push 0
push 0
push 0
push 0xf001f
mov eax, dword [0x4ccc68]
push eax
call sub.kernel32.dll_MapViewOfFile
mov dword [0x4ccc80], eax
mov eax, dword [0x4ccc80]
add eax, 0x400
sub eax, 4
mov dword [0x4ccc84], eax
mov eax, dword [0x4ccc84]
sub eax, 4
mov dword [0x4ccc88], eax
mov eax, dword [0x4ccc88]
sub eax, 4
mov dword [0x4ccc8c], eax
mov eax, dword [0x4ccc8c]
sub eax, 8
mov dword [0x4ccc94], eax
mov eax, dword [0x4ccc94]
sub eax, 4
mov dword [0x4ccc90], eax
mov eax, dword [0x4ccc84]
xor edx, edx
mov dword [eax], edx
mov eax, dword [0x4ccc88]
xor edx, edx
mov dword [eax], edx
mov eax, dword [0x4ccc90]
xor edx, edx
mov dword [eax], edx
mov eax, dword [0x4ccc84]
cmp dword [eax], 0
jge 0x4b1bdd
mov eax, dword [0x4ccc84]
xor edx, edx
mov dword [eax], edx
mov eax, dword [0x4ccc88]
cmp dword [eax], 0
jge 0x4b1bf0
mov eax, dword [0x4ccc88]
xor edx, edx
mov dword [eax], edx
mov byte [ebx + 0xf], 1
pop ebx
mov esp, ebp
pop ebp
ret