Function at 0x4ddd60
Capabilities:
Create thread
Resume thread

Disassembly:
mov eax, dword [esp + 8]
sub esp, 8
cmp eax, 0x24
push ebx
push ebp
push esi
push edi
jl 0x4dde7e
mov edi, str.RIFF
or ecx, 0xffffffff
xor eax, eax
mov ebp, dword [esp + 0x1c]
repne scasb al, byte es:[edi]
mov esi, dword [sym.imp.MSVCRT.dll_strncmp]
not ecx
dec ecx
push ecx
push str.RIFF
push ebp
call esi
add esp, 0xc
test eax, eax
jne 0x4dde7e
mov eax, dword [ebp + 4]
mov edi, 0x14ac1ec
mov dword [esp + 0x14], eax
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
push ecx
lea ecx, [ebp + 8]
push 0x14ac1ec
push ecx
call esi
add esp, 0xc
test eax, eax
jne 0x4dde7e
xor esi, esi
lea edi, [ebp + 0xc]
xor ebx, ebx
mov dword [esp + 0x1c], esi
mov dword [esp + 0x10], edi
mov ebp, dword [edi + 4]
push 4
push str.fmt
push edi
call dword [sym.imp.MSVCRT.dll_strncmp]
add esp, 0xc
test eax, eax
jne 0x4dddfe
test esi, esi
lea ebx, [edi + 8]
jne 0x4dde32
jmp 0x4dde1e
push 4
push 0x14ac1dc
push edi
call dword [sym.imp.MSVCRT.dll_strncmp]
add esp, 0xc
test eax, eax
jne 0x4dde1e
test ebx, ebx
lea esi, [edi + 8]
mov dword [esp + 0x1c], ebp
jne 0x4dde36
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 0x14]
lea edi, [edi + ebp + 8]
mov edx, edi
sub edx, ecx
cmp edx, eax
jb 0x4ddddd
test ebx, ebx
je 0x4dde7e
test esi, esi
je 0x4dde7e
mov eax, dword [esp + 0x1c]
test eax, eax
jbe 0x4dde7e
push 0x4c
call sub.MFC42.DLL_operatornew
mov ebp, dword [esp + 0x20]
mov dword [esp + 0x24], eax
mov dword [eax + 8], ebp
mov eax, dword [esp + 0x24]
mov ecx, dword [eax + 8]
push ecx
call dword [sym.imp.MSVCRT.dll_malloc]
mov edx, dword [esp + 0x28]
add esp, 8
mov dword [edx], eax
mov eax, dword [esp + 0x20]
mov edi, dword [eax]
test edi, edi
jne 0x4dde88
push eax
call sub.MFC42.DLL_operatordelete
add esp, 4
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret
mov ecx, ebp
mov edx, dword [esp + 0x24]
mov eax, ecx
push 0x14
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
push 0x3c00
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x28]
mov dword [ecx + 0x48], edx
mov eax, dword [esp + 0x28]
mov dword [eax + 0x1c], 0
call fcn.004ddb50
mov ecx, dword [esp + 0x28]
add esp, 8
push 0
push 0
push 1
push 0
mov dword [ecx + 0xc], eax
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov edx, dword [esp + 0x20]
push 0
push 0x14
push 0x14
push 0
mov dword [edx + 0x2c], eax
call dword [sym.imp.KERNEL32.dll_CreateSemaphoreA]
mov ecx, dword [esp + 0x20]
mov dword [ecx + 0x28], eax
mov edx, dword [esp + 0x20]
mov dword [edx + 0x14], 0
mov eax, dword [esp + 0x20]
mov dword [eax + 0x10], 0x14
mov ecx, dword [esp + 0x20]
add ecx, 0x30
push ecx
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov eax, dword [esp + 0x20]
push 0x4de3a0
push eax
add eax, 4
push ebx
push eax
call fcn.004ddbc0
mov eax, dword [esp + 0x30]
add esp, 0x10
mov edi, 4
lea edx, [eax + 0x24]
push edx
push edi
push eax
push 0x4de140
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov ecx, dword [esp + 0x20]
push 0x1505618
mov dword [ecx + 0x20], eax
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [0x1505638]
mov edx, dword [0x150563c]
sub edx, eax
mov esi, eax
sar edx, 2
cmp edx, 1
jae 0x4de064
mov edx, dword [0x1505634]
test edx, edx
je 0x4ddf93
mov ecx, eax
sub ecx, edx
sar ecx, 2
cmp ecx, 1
jbe 0x4ddf93
mov ecx, eax
sub ecx, edx
sar ecx, 2
jmp 0x4ddf98
mov ecx, 1
test edx, edx
jne 0x4ddfa0
xor eax, eax
jmp 0x4ddfa5
sub eax, edx
sar eax, 2
add eax, ecx
test eax, eax
mov dword [esp + 0x1c], eax
jge 0x4ddfb1
xor eax, eax
lea edx, [eax*4]
push edx
call sub.MFC42.DLL_operatornew
mov edi, dword [0x1505634]
add esp, 4
mov ebp, eax
cmp edi, esi
mov ebx, ebp
je 0x4ddfe3
push edi
push ebx
call fcn.00504e20
add edi, 4
add esp, 8
add ebx, 4
cmp edi, esi
jne 0x4ddfcf
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.00504e20
mov edi, dword [0x1505638]
add esp, 8
add ebx, 4
cmp esi, edi
je 0x4de012
push esi
push ebx
call fcn.00504e20
add esi, 4
add esp, 8
add ebx, 4
cmp esi, edi
jne 0x4ddffe
mov ecx, dword [0x1505638]
mov edx, dword [0x1505634]
push ecx
push edx
mov ecx, 0x1505630
call fcn.0050dc80
mov eax, dword [0x1505634]
push eax
call sub.MFC42.DLL_operatordelete
mov ecx, dword [esp + 0x20]
add esp, 4
lea edx, [ebp + ecx*4]
mov ecx, 0x1505630
mov dword [0x150563c], edx
call fcn.004de3e0
lea eax, [ebp + eax*4 + 4]
mov dword [0x1505634], ebp
mov dword [0x1505638], eax
jmp 0x4de101
mov ecx, eax
sub ecx, esi
sar ecx, 2
cmp ecx, 1
jae 0x4de0be
lea edx, [esi + 4]
mov ecx, 0x1505630
push edx
push eax
push esi
call fcn.0050dc90
lea eax, [esp + 0x20]
mov edx, 1
push eax
mov eax, dword [0x1505638]
mov ecx, eax
sub ecx, esi
sar ecx, 2
sub edx, ecx
mov ecx, 0x1505630
push edx
push eax
call fcn.0050dcc0
mov ecx, dword [0x1505638]
mov eax, esi
cmp esi, ecx
je 0x4de0fb
mov edx, dword [esp + 0x20]
mov dword [eax], edx
add eax, edi
cmp eax, ecx
jne 0x4de0b0
jmp 0x4de0fb
push eax
push eax
add eax, 0xfffffffc
mov ecx, 0x1505630
push eax
call fcn.0050dc90
mov eax, dword [0x1505638]
mov ecx, eax
add eax, 0xfffffffc
cmp esi, eax
je 0x4de0e8
sub eax, edi
sub ecx, edi
cmp eax, esi
mov edx, dword [eax]
mov dword [ecx], edx
jne 0x4de0dc
lea eax, [esi + 4]
cmp esi, eax
je 0x4de0fb
mov ecx, dword [esp + 0x20]
mov dword [esi], ecx
add esi, edi
cmp esi, eax
jne 0x4de0ef
add dword [0x1505638], edi
push 0x1505618
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov edx, dword [esp + 0x20]
mov eax, dword [edx + 0x20]
push eax
call dword [sym.imp.KERNEL32.dll_ResumeThread]
mov ecx, dword [esp + 0x20]
push 0
push 0x14
mov edx, dword [ecx + 0x28]
push edx
call dword [sym.imp.KERNEL32.dll_ReleaseSemaphore]
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 8
ret