Function at 0x507e50
Capabilities:
Check mutex on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov dword [ebp - 8], esi
mov dword [ebp - 4], edi
mov esi, dword [ebp + 8]
cmp dword [ebp + 0xc], 5
jne 0x507eb1
cmp dword [0x6470a0], 0
je 0x50812f
push 0x647098
call fcn.004fa4d0
add esp, 4
mov edx, dword [0x6470a0]
xor eax, eax
cmp dword [edx + eax*4], 0xffffffff
jne 0x5080e1
inc eax
cmp eax, 0x10
jl 0x507e87
mov dword [0x647098], 0
mov eax, 0x226
mov dword [esi], 0xffff7fff
jmp 0x5080d7
push 0x647098
call fcn.004fa4d0
add esp, 4
cmp dword [0x64709c], 0
je 0x507ef9
mov eax, dword [0x6353a0]
cmp eax, 0xffff8000
mov dword [esi], eax
jle 0x507ee0
dec eax
mov dword [0x6353a0], eax
jmp 0x5080cb
mov dword [0x6353a0], 0xffffff7f
mov dword [0x64709c], 0
jmp 0x5080cb
mov edi, dword [0x6353a0]
cmp edi, 0xffffc000
jge 0x507f16
mov dword [0x6353a0], 0xffffff7f
mov edi, 0xffffff7f
mov dword [ebp - 0xc], ebx
push edi
call fcn.0050fee0
add esp, 4
test eax, eax
je 0x5080bb
cmp edi, 0xfffffffa
lea ecx, [edi + 5]
jg 0x507f34
mov ecx, edi
mov eax, 0xfb93e673
mul ecx
shr edx, 9
imul ebx, edx, 0x209
sub ecx, ebx
mov edx, dword [0x635300]
cmp edx, 2
lea eax, [ecx + 0x69]
mov dword [ebp - 0x10], eax
jge 0x507f92
lea ebx, [ecx*4 + 0x1a4]
lea ecx, [ebx*8]
sub ecx, ebx
mov ebx, dword [ecx + 0x642c24]
test ebx, ebx
jne 0x50803a
mov dword [ecx + 0x642c24], 1
mov ecx, eax
shl ecx, 5
lea ebx, [eax*4]
sub ecx, ebx
jmp 0x50803a
lea eax, [ecx*4 + 0x1a4]
lea edx, [eax*8]
sub edx, eax
lea ecx, [edx + 0x642c24]
push ecx
call fcn.004fa4d0
add esp, 4
test eax, eax
jne 0x508023
mov edx, dword [ebp - 0x10]
mov ecx, edx
shl ecx, 5
lea eax, [edx*4]
sub ecx, eax
cmp dword [ecx + 0x642c20], 0
je 0x5081ce
mov ecx, edx
lea eax, [edx*4]
shl ecx, 5
sub ecx, eax
mov dword [ecx + 0x642c24], 0
push 0xffffffffffffffff
lea eax, [edx*4]
shl edx, 5
sub edx, eax
push dword [edx + 0x642c20]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov edx, dword [ebp - 0x10]
lea eax, [edx*4]
shl edx, 5
sub edx, eax
lea ecx, [edx + 0x642c24]
push ecx
call fcn.004fa4d0
add esp, 4
mov eax, dword [ebp - 0x10]
mov ecx, eax
shl ecx, 5
mov edx, dword [0x635300]
lea ebx, [eax*4]
sub ecx, ebx
cmp edx, 1
je 0x5081a3
mov ebx, dword [ecx + 0x642c38]
test ebx, ebx
je 0x50805c
cmp edi, dword [ebx + 0x100]
jbe 0x50805c
mov ebx, dword [ebx + 0x28]
test ebx, ebx
jne 0x50804d
cmp edx, 1
je 0x508181
lea ecx, [eax*4]
shl eax, 5
sub eax, ecx
cmp edx, 2
jge 0x508082
mov dword [eax + 0x642c24], 0
jmp 0x5080a7
mov edx, dword [ebp - 0x10]
mov dword [eax + 0x642c24], 0
lea eax, [edx*4]
shl edx, 5
sub edx, eax
push dword [edx + 0x642c20]
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
test ebx, ebx
je 0x508170
cmp edi, dword [ebx + 0x100]
jne 0x508170
dec edi
cmp edi, 0xffff8000
jg 0x507f19
mov ebx, dword [ebp - 0xc]
mov dword [0x647098], 0
xor eax, eax
mov esi, dword [ebp - 8]
mov edi, dword [ebp - 4]
mov esp, ebp
pop ebp
ret
mov edx, dword [edx + eax*4]
xor ecx, ecx
mov edi, edx
shl edi, cl
test edi, 0x80000000
je 0x5080fd
inc ecx
cmp ecx, 0x20
jl 0x5080e6
jmp 0x507e97
mov edi, eax
neg ecx
shl edi, 5
neg edi
lea edi, [edi + ecx - 1]
mov dword [esi], edi
add ecx, 0x1f
mov esi, 1
shl esi, cl
mov ecx, dword [0x6470a0]
or edx, esi
mov dword [ecx + eax*4], edx
xor eax, eax
mov dword [0x647098], 0
jmp 0x5080d7
push 0x6470a0
push 0
push 0x40
call fcn.00505140
add esp, 0xc
test eax, eax
je 0x508155
mov esi, dword [ebp - 8]
mov dword [0x647098], 0
mov esp, ebp
pop ebp
ret
mov eax, dword [0x6470a0]
mov dword [eax], 0
mov eax, dword [0x6470a0]
mov dword [eax], 0xf8000000
jmp 0x507e72
mov ebx, dword [ebp - 0xc]
mov dword [esi], edi
dec edi
mov dword [0x6353a0], edi
jmp 0x5080cb
push dword [ecx + 0x642c34]
push dword [ecx + 0x642c30]
call fcn.004fa4b0
add esp, 8
mov eax, dword [ebp - 0x10]
mov edx, dword [0x635300]
jmp 0x508065
lea eax, [ecx + 0x642c30]
push eax
call fcn.004fa480
add esp, 4
mov eax, dword [ebp - 0x10]
mov ecx, eax
shl ecx, 5
mov edx, dword [0x635300]
lea ebx, [eax*4]
sub ecx, ebx
jmp 0x508043
xor eax, eax
push eax
push eax
push eax
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov edx, dword [ebp - 0x10]
mov ebx, edx
shl ebx, 5
lea ecx, [edx*4]
sub ebx, ecx
mov dword [ebx + 0x642c20], eax
mov dword [ebx + 0x642c24], 0
jmp 0x507feb