Function at 0x4d9720
Capabilities:
Check for peb beingdebugged flag
Check mutex on windows
Get number of processors
Query environment variable
Set environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x56c48a
mov eax, dword fs:[0]
push eax
sub esp, 0x7fc
mov eax, dword [0x58df2c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov byte [ebp - 0x115], 1
call fcn.00518b10
call fcn.004d7850
mov eax, dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x11c], eax
mov ecx, dword [ebp - 0x11c]
add ecx, 1
mov dword [ebp - 0x11c], ecx
mov edx, dword [sym.imp.USER32.dll_LoadStringA]
mov dword [ebp - 0x11c], edx
mov eax, dword [ebp - 0x11c]
add eax, 1
mov dword [ebp - 0x11c], eax
mov ecx, dword [sym.imp.USER32.dll_LoadStringW]
mov dword [ebp - 0x11c], ecx
mov edx, dword [ebp - 0x11c]
add edx, 1
mov dword [ebp - 0x11c], edx
push 0x4d8350
call fcn.0052c87e
add esp, 4
mov eax, dword [0x5a825c]
mov ecx, dword [0x5a825c]
mov edx, dword [eax + 0x38]
xor edx, dword [ecx + 0x58]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x5911c0
push 0x104
lea eax, [ebp - 0x224]
push eax
call fcn.0052b804
add esp, 0x14
lea ecx, [ebp - 0x224]
push ecx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
je 0x4d980a
mov byte [ebp - 0x115], 0
movzx edx, byte [ebp - 0x115]
test edx, edx
je 0x4d99e2
mov eax, dword [0x5a825c]
mov ecx, dword [0x5a825c]
mov edx, dword [eax + 0xc]
xor edx, dword [ecx + 0x34]
mov eax, dword [0x5a825c]
xor edx, dword [eax + 0x3c]
and edx, 0x20
je 0x4d99e2
mov ecx, dword [0x5a825c]
mov edx, dword [0x5a825c]
mov eax, dword [ecx + 0x94]
xor eax, dword [edx + 8]
mov ecx, dword [0x5a825c]
xor eax, dword [ecx + 0x38]
push eax
push 0x5911b8
push 0x104
lea edx, [ebp - 0x224]
push edx
call fcn.0052b804
add esp, 0x10
lea eax, [ebp - 0x224]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x22c], eax
cmp dword [ebp - 0x22c], 0
je 0x4d99e2
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x4d99e2
push 0x7530
mov ecx, dword [ebp - 0x22c]
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov dword [ebp - 0x230], eax
cmp dword [ebp - 0x230], 0
je 0x4d98d9
cmp dword [ebp - 0x230], 0x80
jne 0x4d99d8
mov edx, dword [0x5a825c]
mov eax, dword [0x5a825c]
mov ecx, dword [edx + 0x94]
xor ecx, dword [eax + 8]
mov edx, dword [0x5a825c]
xor ecx, dword [edx + 0x38]
push ecx
push 0x5911b0
push 0x104
lea eax, [ebp - 0x224]
push eax
call fcn.0052b804
add esp, 0x10
mov dword [ebp - 0x238], 0
jmp 0x4d992b
mov ecx, dword [ebp - 0x238]
add ecx, 1
mov dword [ebp - 0x238], ecx
cmp dword [ebp - 0x238], 0x12c
jge 0x4d9964
lea edx, [ebp - 0x224]
push edx
push 0x5911a4
call dword [sym.imp.USER32.dll_FindWindowA]
mov dword [ebp - 0x234], eax
cmp dword [ebp - 0x234], 0
je 0x4d995a
jmp 0x4d9964
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x4d991c
cmp dword [ebp - 0x234], 0
je 0x4d99cb
mov eax, dword [0x5a825c]
mov ecx, dword [0x5a825c]
mov edx, dword [eax + 0x94]
xor edx, dword [ecx + 8]
mov eax, dword [0x5a825c]
xor edx, dword [eax + 0x38]
mov dword [ebp - 0x244], edx
mov ecx, dword [0x5a7fd8]
push ecx
call fcn.00527860
add esp, 4
add eax, 1
mov dword [ebp - 0x240], eax
mov edx, dword [0x5a7fd8]
mov dword [ebp - 0x23c], edx
lea eax, [ebp - 0x244]
push eax
push 0
push 0x4a
mov ecx, dword [ebp - 0x234]
push ecx
call dword [sym.imp.USER32.dll_SendMessageA]
mov edx, dword [ebp - 0x22c]
push edx
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov eax, 1
jmp 0x4d9fc9
push 1
call fcn.004d9ff0
add esp, 4
movzx eax, byte [ebp - 0x115]
test eax, eax
je 0x4d9d65
mov ecx, dword [0x5a825c]
mov edx, dword [0x5a825c]
mov eax, dword [ecx + 0xc]
xor eax, dword [edx + 0x34]
mov ecx, dword [0x5a825c]
xor eax, dword [ecx + 0x3c]
and eax, 0x40
jne 0x4d9d65
push 0x200
lea edx, [ebp - 0x444]
push edx
push 0x59119c
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
jne 0x4d9d65
push 0xc8
push 0x23
lea eax, [ebp - 0x444]
push eax
call fcn.00528860
add esp, 0xc
mov byte [ebp - 0x37c], 0
mov dword [ebp - 0x548], 1
jmp 0x4d9a76
mov ecx, dword [ebp - 0x548]
add ecx, 1
mov dword [ebp - 0x548], ecx
cmp dword [ebp - 0x548], 0x40
jg 0x4d9ab5
mov edx, dword [ebp - 0x548]
push edx
push 0x591194
push 0x100
lea eax, [ebp - 0x544]
push eax
call fcn.0052b804
add esp, 0x10
lea ecx, [ebp - 0x444]
push ecx
lea edx, [ebp - 0x544]
push edx
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
jmp 0x4d9a67
mov eax, dword [0x5a825c]
mov ecx, dword [0x5a825c]
mov edx, dword [eax + 0xc]
xor edx, dword [ecx + 0x34]
mov eax, dword [0x5a825c]
xor edx, dword [eax + 0x3c]
and edx, 0x10
jne 0x4d9d65
lea ecx, [ebp - 0x724]
push ecx
call fcn.0050c460
add esp, 4
mov dword [ebp - 4], 0
lea edx, [ebp - 0x30]
push edx
call fcn.004bfda0
add esp, 4
mov dword [ebp - 0x7fc], eax
mov eax, dword [ebp - 0x7fc]
mov dword [ebp - 0x800], eax
mov byte [ebp - 4], 1
mov ecx, dword [ebp - 0x800]
push ecx
lea ecx, [ebp - 0x5ac]
call fcn.00506250
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x30]
call fcn.004c4140
cmp dword [0x5a7fd0], 1
jne 0x4d9b62
cmp dword [ebp - 0x718], 0
jne 0x4d9b62
lea ecx, [ebp - 0x5ac]
call fcn.00506f50
movzx edx, al
test edx, edx
jne 0x4d9b62
lea ecx, [ebp - 0x5ac]
call fcn.00506af0
mov dword [ebp - 0x718], eax
push 0
lea eax, [ebp - 0x744]
push eax
call fcn.0050bd50
add esp, 8
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x744]
call fcn.004c41d0
movzx ecx, al
test ecx, ecx
je 0x4d9bce
mov dword [ebp - 0x7ec], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x744]
call fcn.004c4140
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x5ac]
call fcn.004c0590
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x724]
call fcn.004c3cc0
mov eax, dword [ebp - 0x7ec]
jmp 0x4d9fc9
lea edx, [ebp - 0xb0]
push edx
call fcn.0050c690
add esp, 4
mov dword [ebp - 0x804], eax
mov eax, dword [ebp - 0x804]
mov dword [ebp - 0x808], eax
mov byte [ebp - 4], 5
mov ecx, dword [ebp - 0x808]
push ecx
lea ecx, [ebp - 0x94]
call fcn.004c0510
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x744]
call fcn.004c4190
push eax
lea ecx, [ebp - 0x114]
call fcn.004c0510
mov byte [ebp - 4], 7
lea edx, [ebp - 0x5bc]
push edx
lea eax, [ebp - 0x724]
push eax
push 0x5a9008
push 0x5a9008
push 0
push 0
push 0
push 0
lea ecx, [ebp - 0x94]
push ecx
lea edx, [ebp - 0x114]
push edx
call fcn.0050bf90
add esp, 0x28
neg eax
sbb eax, eax
add eax, 1
mov byte [ebp - 0x7ed], al
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x114]
call fcn.004c0590
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x94]
call fcn.004c0590
mov byte [ebp - 4], 4
lea ecx, [ebp - 0xb0]
call fcn.004d0de0
movzx eax, byte [ebp - 0x7ed]
test eax, eax
je 0x4d9d0e
mov dword [0x5a811c], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x591174
push 0x100
push 0x5a8120
call fcn.0052b804
add esp, 0x10
mov dword [ebp - 0x7f4], 0
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x744]
call fcn.004c4140
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x5ac]
call fcn.004c0590
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x724]
call fcn.004c3cc0
mov eax, dword [ebp - 0x7f4]
jmp 0x4d9fc9
push 0x2710
mov ecx, dword [ebp - 0x5bc]
push ecx
call dword [sym.imp.USER32.dll_WaitForInputIdle]
mov dword [ebp - 0x7f8], 1
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x744]
call fcn.004c4140
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x5ac]
call fcn.004c0590
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x724]
call fcn.004c3cc0
mov eax, dword [ebp - 0x7f8]
jmp 0x4d9fc9
mov edx, dword [0x5a825c]
mov eax, dword [0x5a825c]
mov ecx, dword [edx + 0xc]
xor ecx, dword [eax + 0x34]
mov edx, dword [0x5a825c]
xor ecx, dword [edx + 0x3c]
and ecx, 0x10
je 0x4d9f1f
mov eax, dword [0x5a825c]
mov ecx, dword [0x5a825c]
mov edx, dword [eax + 0x38]
xor edx, dword [ecx + 0x58]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x5911c0
push 0x104
lea eax, [ebp - 0x224]
push eax
call fcn.0052b804
add esp, 0x14
lea ecx, [ebp - 0x224]
push ecx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
jne 0x4d9f1d
push 1
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov byte [ebp - 0x745], 0
push 0x5908b0
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x74c], eax
cmp dword [ebp - 0x74c], 0
je 0x4d9e38
push 0x591160
mov edx, dword [ebp - 0x74c]
push edx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x7e8], eax
cmp dword [ebp - 0x7e8], 0
je 0x4d9e38
call dword [ebp - 0x7e8]
test eax, eax
je 0x4d9e38
mov byte [ebp - 0x745], 1
mov dword [ebp - 0x7e4], 0x94
lea eax, [ebp - 0x7e4]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x7d4], 2
jne 0x4d9e6a
mov eax, dword fs:[0x30]
movzx eax, byte [eax + 2]
or al, al
jne 0x4d9e76
jmp 0x4d9e7d
mov eax, dword fs:[0x20]
or eax, eax
jne 0x4d9e76
jmp 0x4d9e7d
mov byte [0x5a8100], 1
movzx ecx, byte [ebp - 0x745]
test ecx, ecx
je 0x4d9ebb
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x591158
push 0x104
lea edx, [ebp - 0x224]
push edx
call fcn.0052b804
add esp, 0x10
lea eax, [ebp - 0x224]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
jmp 0x4d9f1d
cmp dword [0x5a7fd0], 0
sete cl
movzx edx, cl
push edx
call fcn.004c3130
add esp, 4
movzx eax, al
test eax, eax
jne 0x4d9f09
mov dword [0x5a811c], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x591148
push 0x100
push 0x5a8120
call fcn.0052b804
add esp, 0x10
xor eax, eax
jmp 0x4d9fc9
push 0
call fcn.004d9ff0
add esp, 4
mov eax, 1
jmp 0x4d9fc9
jmp 0x4d9f51
push 0
push 0x5908bc
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
mov ecx, dword [0x5a825c]
mov edx, dword [0x5a825c]
mov eax, dword [ecx + 0x40]
xor eax, dword [edx + 0x34]
mov ecx, dword [0x5a825c]
xor eax, dword [ecx + 0x3c]
and eax, 2
je 0x4d9f51
call fcn.004fe4b0
call fcn.004d8380
mov dword [ebp - 0x228], eax
push 0
call fcn.004d9ff0
add esp, 4
push 0
call fcn.0052c87e
add esp, 4
cmp dword [ebp - 0x228], 1
jne 0x4d9f8d
push 0x5a7fd0
call dword [0x5a7ffc]
add esp, 4
mov dword [ebp - 0x228], eax
push 0x4d8350
call fcn.0052c87e
add esp, 4
cmp dword [0x5a7ff8], 0
je 0x4d9fa9
call dword [0x5a7ff8]
cmp dword [0x5a8114], 0
je 0x4d9fc3
push 0
push 0
mov edx, dword [0x5a8110]
push edx
call dword [0x5a8114]
mov eax, dword [ebp - 0x228]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00527843
mov esp, ebp
pop ebp
ret