Function at 0x4d8970
Capabilities:
Accept command line arguments
Check for trap flag exception
Check mutex on windows
Create process on windows
Packed with generic packer
Query environment variable
Set environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xfffffffffffffffe
push 0x50b1c0
push 0x4e66f0
mov eax, dword fs:[0]
push eax
add esp, 0xfffff8a4
mov eax, dword [0x5048e0]
xor dword [ebp - 8], eax
xor eax, ebp
mov dword [ebp - 0x24], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0x10]
mov dword fs:[0], eax
mov dword [ebp - 0x18], esp
mov byte [ebp - 0x19], 1
mov eax, dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x20], eax
mov ecx, dword [ebp - 0x20]
add ecx, 1
mov dword [ebp - 0x20], ecx
mov edx, dword [sym.imp.USER32.dll_LoadStringA]
mov dword [ebp - 0x20], edx
mov eax, dword [ebp - 0x20]
add eax, 1
mov dword [ebp - 0x20], eax
mov ecx, dword [sym.imp.USER32.dll_LoadStringW]
mov dword [ebp - 0x20], ecx
mov edx, dword [ebp - 0x20]
add edx, 1
mov dword [ebp - 0x20], edx
push 0x4d78d0
call fcn.004e669c
add esp, 4
mov eax, dword [0x5043fc]
xor eax, dword [0x504408]
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x505d08
lea ecx, [ebp - 0x130]
push ecx
call fcn.004e6617
add esp, 0x10
lea edx, [ebp - 0x130]
push edx
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
je 0x4d8a32
mov byte [ebp - 0x19], 0
movzx eax, byte [ebp - 0x19]
test eax, eax
je 0x4d8bd3
mov ecx, dword [0x504404]
xor ecx, dword [0x5043b8]
xor ecx, dword [0x504398]
and ecx, 0x20
je 0x4d8bd3
mov edx, dword [0x5043c0]
xor edx, dword [0x5043e4]
xor edx, dword [0x5043fc]
push edx
push 0x505d00
lea eax, [ebp - 0x130]
push eax
call fcn.004e6617
add esp, 0xc
lea ecx, [ebp - 0x130]
push ecx
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [ebp - 0x138], eax
cmp dword [ebp - 0x138], 0
je 0x4d8bd3
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x4d8bd3
push 0x7530
mov edx, dword [ebp - 0x138]
push edx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov dword [ebp - 0x13c], eax
cmp dword [ebp - 0x13c], 0
je 0x4d8ae6
cmp dword [ebp - 0x13c], 0x80
jne 0x4d8bc9
mov eax, dword [0x5043c0]
xor eax, dword [0x5043e4]
xor eax, dword [0x5043fc]
push eax
push 0x505cf8
lea ecx, [ebp - 0x130]
push ecx
call fcn.004e6617
add esp, 0xc
mov dword [ebp - 0x144], 0
jmp 0x4d8b27
mov edx, dword [ebp - 0x144]
add edx, 1
mov dword [ebp - 0x144], edx
cmp dword [ebp - 0x144], 0x12c
jge 0x4d8b60
lea eax, [ebp - 0x130]
push eax
push 0x505cec
call dword [sym.imp.USER32.dll_FindWindowA]
mov dword [ebp - 0x140], eax
cmp dword [ebp - 0x140], 0
je 0x4d8b56
jmp 0x4d8b60
push 0x64
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x4d8b18
cmp dword [ebp - 0x140], 0
je 0x4d8bbc
mov ecx, dword [0x5043c0]
xor ecx, dword [0x5043e4]
xor ecx, dword [0x5043fc]
mov dword [ebp - 0x150], ecx
mov edx, dword [0x50c0d0]
push edx
call fcn.004e5ff0
add esp, 4
add eax, 1
mov dword [ebp - 0x14c], eax
mov eax, dword [0x50c0d0]
mov dword [ebp - 0x148], eax
lea ecx, [ebp - 0x150]
push ecx
push 0
push 0x4a
mov edx, dword [ebp - 0x140]
push edx
call dword [sym.imp.USER32.dll_SendMessageA]
mov eax, dword [ebp - 0x138]
push eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
mov eax, 1
jmp 0x4d9131
push 1
call fcn.004d9150
add esp, 4
movzx ecx, byte [ebp - 0x19]
test ecx, ecx
je 0x4d8dcd
mov edx, dword [0x504404]
xor edx, dword [0x5043b8]
xor edx, dword [0x504398]
and edx, 0x40
jne 0x4d8dcd
push 0x200
lea eax, [ebp - 0x350]
push eax
push 0x505ce4
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
jne 0x4d8dcd
push 0xc8
push 0x23
lea ecx, [ebp - 0x350]
push ecx
call fcn.004e3f60
add esp, 0xc
mov byte [ebp - 0x288], 0
mov dword [ebp - 0x454], 1
jmp 0x4d8c5b
mov edx, dword [ebp - 0x454]
add edx, 1
mov dword [ebp - 0x454], edx
cmp dword [ebp - 0x454], 0x40
jg 0x4d8c95
mov eax, dword [ebp - 0x454]
push eax
push 0x505cdc
lea ecx, [ebp - 0x450]
push ecx
call fcn.004e6617
add esp, 0xc
lea edx, [ebp - 0x350]
push edx
lea eax, [ebp - 0x450]
push eax
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
jmp 0x4d8c4c
mov ecx, dword [0x504404]
xor ecx, dword [0x5043b8]
xor ecx, dword [0x504398]
and ecx, 0x10
jne 0x4d8dcd
lea edx, [ebp - 0x5b8]
push edx
call dword [sym.imp.KERNEL32.dll_GetStartupInfoA]
mov al, byte [0x505a3c]
mov byte [ebp - 0x560], al
push 0x103
push 0
lea ecx, [ebp - 0x55f]
push ecx
call fcn.004e3f60
add esp, 0xc
mov dl, byte [0x505a3c]
mov byte [ebp - 0x6c0], dl
push 0x103
push 0
lea eax, [ebp - 0x6bf]
push eax
call fcn.004e3f60
add esp, 0xc
cmp dword [0x50c0c8], 1
jne 0x4d8d34
cmp dword [ebp - 0x5ac], 0
jne 0x4d8d34
lea ecx, [ebp - 0x560]
push ecx
call fcn.004da310
add esp, 4
movzx edx, al
test edx, edx
je 0x4d8d34
lea eax, [ebp - 0x560]
mov dword [ebp - 0x5ac], eax
push 0x104
lea ecx, [ebp - 0x6c0]
push ecx
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
test eax, eax
jne 0x4d8d53
xor eax, eax
jmp 0x4d9131
lea edx, [ebp - 0x570]
push edx
lea eax, [ebp - 0x5b8]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
lea ecx, [ebp - 0x6c0]
push ecx
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
test eax, eax
jne 0x4d8db1
mov dword [0x50c308], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x505cbc
push 0x50c310
call fcn.004e6617
add esp, 0xc
xor eax, eax
jmp 0x4d9131
push 0x2710
mov edx, dword [ebp - 0x570]
push edx
call dword [sym.imp.USER32.dll_WaitForInputIdle]
mov eax, 1
jmp 0x4d9131
mov eax, dword [0x504404]
xor eax, dword [0x5043b8]
xor eax, dword [0x504398]
and eax, 0x10
je 0x4d909e
mov ecx, dword [0x5043fc]
xor ecx, dword [0x504408]
push ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x505d08
lea edx, [ebp - 0x130]
push edx
call fcn.004e6617
add esp, 0x10
lea eax, [ebp - 0x130]
push eax
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
test eax, eax
jne 0x4d909c
push 1
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov byte [ebp - 0x6c1], 0
push 0x505cb0
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov dword [ebp - 0x6c8], eax
cmp dword [ebp - 0x6c8], 0
je 0x4d8e8d
push 0x505c9c
mov ecx, dword [ebp - 0x6c8]
push ecx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 0x764], eax
cmp dword [ebp - 0x764], 0
je 0x4d8e8d
call dword [ebp - 0x764]
test eax, eax
je 0x4d8e8d
mov byte [ebp - 0x6c1], 1
mov dword [ebp - 0x760], 0x94
lea edx, [ebp - 0x760]
push edx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [ebp - 0x750], 2
je 0x4d8f17
mov byte [ebp - 0x765], 0
mov dword [ebp - 4], 0
pushf
pop eax
or eax, 0x100
push eax
popf
nop
mov dword [ebp - 4], 0xfffffffe
jmp 0x4d8f05
movzx edx, byte [ebp - 0x765]
test edx, edx
jne 0x4d8f17
mov byte [0x50c67c], 1
cmp dword [ebp - 0x750], 2
jne 0x4d8f81
push ecx
bswap ecx
not ecx
push eax
not eax
mov eax, 0x6c65696d
xchg ecx, eax
mov ecx, 0xdeadc0de
xchg ecx, eax
not eax
pop eax
not ecx
pop ecx
pushfd
pushal
xor ebx, ebx
je 0x4d8f43
add ebp, ebx
and ch, bl
jmp 0x4d8f64
xor ebx, ebx
je 0x4d8f47
jmp 0x4d8f56
mov ecx, 0x34f9c987
nop
stc
je 0x4d8f5a
jmp 0x4d8f8a
xor eax, eax
je 0x4d8f4c
mov eax, 0x4840c987
test eax, eax
jne 0x4d8f40
jmp 0x92b42cc9
popal
popfd
xchg dx, ax
xchg dx, ax
mov eax, eax
mov eax, dword fs:[0x30]
movzx eax, byte [eax + 2]
or al, al
jne 0x4d8f98
jmp 0x4d9009
jo 0x4d8f8a
jl 0x4d8f88
jmp 0x4d8f8c
je 0x4d8f85
jmp 0x4d8f85
mov eax, dword fs:[0x20]
or eax, eax
jne 0x4d8f98
jmp 0x4d9009
pushal
xor eax, eax
jne 0x4d8f9f
jmp 0x4d8fb4
jmp 0x4d8fd4
xor eax, eax
jne 0x4d8fbc
jp 0x4d8fb2
jo 0x4d8fb6
jmp 0x4d8fb7
jb 0x4d8fbb
jns 0x4d8fa0
call dword [0x74097900]
invalid
jns 0x4d8fbd
je 0x4d8fa6
jmp 0x4d8f3f
xchg ebx, ebx
jp 0x4d8fab
mov al, byte [0x5c66133]
hlt
xor esp, dword [ecx - 0x3a]
add eax, 0x50c0f4
add dword [eax - 9], edx
ror byte [edi], 1
enter 0x7358, 0
popal
mov byte [0x50c0f4], 1
push eax
not eax
bswap eax
pop eax
jae 0x4d8fcd
pushfd
pushal
jmp 0x4d8ffc
sub edx, edx
jo 0x4d8fe2
jmp 0x4d8ff3
xor ecx, ecx
je 0x4d8fda
jmp 0x4d8fec
stc
xor ecx, 3
je 0x4d8f72
jmp 0x4d8fe9
jmp 0x4d8ff7
jae 0x4d8fe5
sbb bl, bl
sbb bl, bl
xor ebx, ebx
jmp 0x4d8fdc
jmp 0x4d8fd6
sbb al, 0xdb
jmp 0x4d8fff
jmp 0x4d8fd0
popal
popfd
bswap eax
not ecx
bswap eax
not ecx
movzx eax, byte [ebp - 0x6c1]
test eax, eax
je 0x4d9042
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
push eax
push 0x505c94
lea ecx, [ebp - 0x130]
push ecx
call fcn.004e6617
add esp, 0xc
lea edx, [ebp - 0x130]
push edx
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
jmp 0x4d909c
cmp dword [0x50c0c8], 0
sete al
push eax
call fcn.004db200
add esp, 4
movzx ecx, al
test ecx, ecx
jne 0x4d9088
mov dword [0x50c308], 6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 0x505c84
push 0x50c310
call fcn.004e6617
add esp, 0xc
xor eax, eax
jmp 0x4d9131
push 0
call fcn.004d9150
add esp, 4
mov eax, 1
jmp 0x4d9131
jmp 0x4d90ba
mov edx, dword [0x5043d0]
xor edx, dword [0x5043b8]
xor edx, dword [0x504398]
and edx, 2
je 0x4d90ba
call fcn.004d6a40
call fcn.004d7900
mov dword [ebp - 0x134], eax
push 0
call fcn.004d9150
add esp, 4
push 0
call fcn.004e669c
add esp, 4
cmp dword [ebp - 0x134], 1
jne 0x4d90f6
push 0x50c0c8
call dword [0x50c0f0]
add esp, 4
mov dword [ebp - 0x134], eax
push 0x4d78d0
call fcn.004e669c
add esp, 4
cmp dword [0x50c0ec], 0
je 0x4d9112
call dword [0x50c0ec]
cmp dword [0x50c300], 0
je 0x4d912b
push 0
push 0
mov eax, dword [0x50c2fc]
push eax
call dword [0x50c300]
mov eax, dword [ebp - 0x134]
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x24]
xor ecx, ebp
call fcn.004e46b5
mov esp, ebp
pop ebp
ret