Function at 0x4121ac
Capabilities:
Check mutex on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffc8
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x34], ebx
mov dword [ebp - 0x38], ebx
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x30], ebx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
xor eax, eax
push ebp
push 0x4123d5
push dword fs:[eax]
mov dword fs:[eax], esp
lea edx, [ebp - 0x2c]
mov eax, dword [0x427538]
call fcn.00407f58
lea eax, [ebp - 0x2c]
push eax
lea edx, [ebp - 0x30]
mov eax, dword [0x427510]
call fcn.00407f58
mov edx, dword [ebp - 0x30]
pop eax
call fcn.00404a6c
mov eax, dword [ebp - 0x2c]
call fcn.00404c30
push eax
push 0
push 0x100000
call sub.kernel32.dll_OpenMutexA
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
je 0x4123ba
push 0xffffffffffffffff
mov eax, dword [ebp - 0x10]
push eax
call sub.kernel32.dll_WaitForSingleObject
xor ecx, ecx
push ebp
push 0x4123aa
push dword fs:[ecx]
mov dword fs:[ecx], esp
lea edx, [ebp - 0x34]
mov eax, dword [0x427538]
call fcn.00407f58
lea eax, [ebp - 0x34]
push eax
lea edx, [ebp - 0x38]
mov eax, dword [0x427518]
call fcn.00407f58
mov edx, dword [ebp - 0x38]
pop eax
call fcn.00404a6c
mov eax, dword [ebp - 0x34]
call fcn.00404c30
push eax
push 0
push 0xf001f
call sub.kernel32.dll_OpenFileMappingA
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0
je 0x412393
push 0
push 0
push 0
push 0xf001f
mov eax, dword [ebp - 0x14]
push eax
call sub.kernel32.dll_MapViewOfFile
mov dword [ebp - 0x18], eax
cmp dword [ebp - 0x18], 0
je 0x41238a
mov eax, dword [ebp - 0x18]
mov eax, dword [eax]
mov dword [ebp - 0x24], eax
mov byte [ebp - 0x19], 1
mov eax, dword [ebp - 0x24]
mov eax, dword [eax]
dec eax
test eax, eax
jl 0x41235b
inc eax
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x20], 0
mov eax, dword [ebp - 0x20]
lea eax, [eax + eax*2]
mov edx, dword [ebp - 0x24]
mov edx, dword [edx + 4]
lea ebx, [edx + eax*8]
mov dl, 1
mov esi, dword [ebx + 0x10]
dec esi
test esi, esi
jl 0x412327
inc esi
xor eax, eax
lea ecx, [eax + eax*2]
mov edi, dword [ebx + 0x14]
lea edi, [edi + ecx*4]
mov ecx, dword [ebx]
cmp ecx, dword [ebp - 8]
jne 0x412315
mov ecx, dword [edi]
cmp ecx, dword [ebp - 4]
jne 0x412315
mov ecx, dword [edi + 8]
cmp ecx, dword [ebp - 0xc]
jne 0x412315
lea ecx, [eax + eax*2]
mov edi, dword [ebx + 0x14]
mov dword [edi + ecx*4], 0
jmp 0x412323
lea ecx, [eax + eax*2]
mov edi, dword [ebx + 0x14]
cmp dword [edi + ecx*4], 0
je 0x412323
xor edx, edx
inc eax
dec esi
jne 0x4122e7
test dl, dl
je 0x412345
mov eax, dword [ebx + 0x14]
test eax, eax
je 0x412339
push eax
call dword [0x427624]
xor eax, eax
mov dword [ebx + 0x10], eax
xor eax, eax
mov dword [ebx + 0x14], eax
jmp 0x41234f
cmp dword [ebx + 0x10], 0
jle 0x41234f
mov byte [ebp - 0x19], 0
inc dword [ebp - 0x20]
dec dword [ebp - 0x28]
jne 0x4122cb
cmp byte [ebp - 0x19], 0
je 0x412381
mov eax, dword [ebp - 0x24]
mov eax, dword [eax + 4]
test eax, eax
je 0x412372
push eax
call dword [0x427624]
mov eax, dword [ebp - 0x24]
xor edx, edx
mov dword [eax], edx
mov eax, dword [ebp - 0x24]
xor edx, edx
mov dword [eax + 4], edx
mov eax, dword [ebp - 0x18]
push eax
call sub.kernel32.dll_UnmapViewOfFile
mov eax, dword [ebp - 0x14]
push eax
call sub.kernel32.dll_CloseHandle
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4123b1
mov eax, dword [ebp - 0x10]
push eax
call sub.kernel32.dll_ReleaseMutex
ret
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4123dc
lea eax, [ebp - 0x38]
mov edx, 4
call fcn.004047e8
ret