Function at 0x402260
Capabilities:
Accept command line arguments
Allocate or change rwx memory
Create process on windows
Create process suspended
Get file size
Query environment variable
Read .ini file
Read file on windows
Resume thread
Set environment variable
Terminate process
Use process replacement

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffbe0
pushal
mov dword [ebp - 0x14], 0
push 1
push 3
push dword [0x4042a8]
call fcn.00401450
or eax, eax
jne 0x4022e3
push 0
push 0
push 3
push 0
push 0
push 0x80000000
push 0x4046ac
call sub.kernel32.dll_CreateFileA
cmp eax, 0xffffffff
je 0x4022de
mov ebx, eax
push 0
push ebx
call sub.kernel32.dll_GetFileSize
mov dword [ebp - 0x18], eax
push 4
push 0x1000
push eax
push 0
call sub.kernel32.dll_VirtualAlloc
mov dword [ebp - 0x14], eax
push 0
lea eax, [ebp - 0x10]
push eax
push dword [ebp - 0x18]
push dword [ebp - 0x14]
push ebx
call sub.kernel32.dll_ReadFile
push ebx
call sub.kernel32.dll_CloseHandle
mov eax, dword [ebp - 0x14]
jmp 0x4022e3
jmp 0x40269e
mov dword [ebp - 0xc], eax
jmp 0x40230b
mov ecx, dword [0x4042a4]
inc ecx
push ecx
push 3
push dword [0x4042a8]
call fcn.00401450
or eax, eax
je 0x402306
cmp eax, dword [ebp - 0xc]
jne 0x40230b
jmp 0x40269e
mov esi, eax
push 1
push 0xe
push dword [0x4042a8]
call fcn.00401450
or eax, eax
je 0x402325
lea eax, [eax + 9]
jmp 0x402328
lea eax, [esi + 0x22]
push 0x400
push 0x404aac
push eax
call sub.kernel32.dll_ExpandEnvironmentStringsA
push esi
mov esi, 0x404aac
jmp 0x40235c
lodsb al, byte [esi]
cmp al, 0x25
jne 0x40235c
push 0x404aac
call fcn.00402a40
push eax
push 0x404aac
call sub.kernel32.dll_lstrcpyA
jmp 0x402361
cmp byte [esi], 0
jne 0x402340
pop esi
push 0x4042ac
call fcn.00402900
cmp eax, 1
jne 0x402391
push 0x4042ac
push 0x400
push 0x404aac
push 0
push 0x4041b7
push 0x4041b3
call sub.kernel32.dll_GetPrivateProfileStringA
mov edi, 0x404aac
cmp byte [edi + 1], 0x3a
je 0x4023eb
push 0x400
lea eax, [ebp - 0x41d]
push eax
push 0
call sub.kernel32.dll_GetModuleFileNameA
lea eax, [ebp - 0x41d]
push eax
call fcn.004027e6
cmp byte [edi], 0x5c
je 0x4023d1
push 0x4041c0
lea eax, [ebp - 0x41d]
push eax
call sub.kernel32.dll_lstrcatA
push edi
lea eax, [ebp - 0x41d]
push eax
call sub.kernel32.dll_lstrcatA
lea eax, [ebp - 0x41d]
push eax
push edi
call sub.kernel32.dll_lstrcpyA
push 0x404aac
push str.dup2_last_file
call sub.kernel32.dll_SetEnvironmentVariableA
push 0x404aac
lea eax, [ebp - 0x41d]
push eax
call sub.kernel32.dll_lstrcpyA
lea eax, [ebp - 0x41d]
push eax
call fcn.004027e6
lea eax, [ebp - 0x41d]
push eax
push str.dup2_last_path
call sub.kernel32.dll_SetEnvironmentVariableA
mov ebx, dword [esi + 2]
or ebx, ebx
je 0x402475
push 0x404aac
call fcn.00402940
cmp eax, 0xffffffff
je 0x402461
cmp ebx, eax
je 0x402475
push 0x30
push 0x404aac
push str.Wrong_Filesize_
push 0
call sub.user32.dll_MessageBoxA
call fcn.004026a1
jmp 0x402684
push 0x404aac
call fcn.004026d5
cmp eax, 1
je 0x40242f
jmp 0x402684
cmp dword [esi + 0xa], 0
je 0x4024a7
push 0x404aac
call fcn.0040275e
cmp dword [esi + 0xa], eax
je 0x4024a7
push 0x30
push 0x404aac
push str.CRC32_Check_failed_
push 0
call sub.user32.dll_MessageBoxA
call fcn.004026a1
jmp 0x402684
test dword [esi + 0x1e], 4
je 0x402684
call sub.kernel32.dll_GetCommandLineA
push 0x405300
push 0x4052bc
push 0
push 0
push 4
push 0
push 0
push 0
push eax
push 0x404aac
call sub.kernel32.dll_CreateProcessA
or eax, eax
jne 0x4024f6
push 0x30
push 0x404aac
push str.Cant_create_Process
push 0
call sub.user32.dll_MessageBoxA
jmp 0x402684
test dword [esi + 0x1e], 0x40
je 0x40250c
push 0x4052b8
call fcn.004021f6
mov dword [ebp - 4], eax
cmp dword [esi + 0xe], 0
je 0x402552
push dword [0x405304]
call sub.kernel32.dll_ResumeThread
mov edx, dword [esi + 0xe]
test dword [esi + 0x1e], 0x40
je 0x40252c
add edx, dword [ebp - 4]
push 0
push 4
push 0x404eac
push edx
push dword [0x405300]
call sub.kernel32.dll_ReadProcessMemory
mov eax, dword [esi + 0x12]
cmp dword [0x404eac], eax
jne 0x402550
jmp 0x402552
jmp 0x40251d
mov byte [ebp - 0x1d], 0
mov dword [ebp - 0x1c], 0
mov dword [0x4052ac], 0
mov eax, dword [esi + 0x16]
lea edi, [eax + esi]
lea ecx, [ecx]
mov eax, dword [edi]
add ax, word [edi + 4]
jmp 0x402643
mov eax, dword [edi]
test dword [esi + 0x1e], 0x40
je 0x402589
add eax, dword [ebp - 4]
mov dword [ebp - 8], eax
push 0
push 1
push 0x404eac
push dword [ebp - 8]
push dword [0x405300]
call sub.kernel32.dll_ReadProcessMemory
mov al, byte [edi + 4]
cmp al, byte [0x404eac]
jne 0x402605
lea eax, [edi + 5]
push 0
push 1
push eax
push dword [ebp - 8]
push dword [0x405300]
call sub.kernel32.dll_WriteProcessMemory
or eax, eax
jne 0x4025f0
cmp byte [ebp - 0x1d], 0
jne 0x4025f0
push 0x4052b0
push 0x40
push 1
push dword [ebp - 8]
push dword [0x405300]
call sub.kernel32.dll_VirtualProtectEx
cmp eax, 0
je 0x40264b
mov byte [ebp - 0x1d], 1
jmp 0x4025ae
mov byte [ebp - 0x1d], 0
mov dword [0x4052ac], 0
mov eax, 1
jmp 0x40263a
push dword [0x405304]
call sub.kernel32.dll_ResumeThread
add dword [0x4052ac], 1
cmp dword [0x4052ac], 0xfa
jae 0x402631
push 0xa
call sub.kernel32.dll_Sleep
jmp 0x402570
mov dword [ebp - 0x1c], 1
jmp 0x40264b
add edi, 6
mov eax, dword [edi]
add ax, word [edi + 4]
or eax, eax
jne 0x40257b
cmp dword [ebp - 0x1c], 1
jne 0x402674
push 0
push dword [0x405300]
call sub.kernel32.dll_TerminateProcess
push 0x30
push 0x404aac
push str.Time_out.Bytes_not_found.
push 0
call sub.user32.dll_MessageBoxA
popal
leave
ret
push dword [0x405304]
call sub.kernel32.dll_ResumeThread
call fcn.00401a9f
mov eax, dword [ebp - 0x14]
or eax, eax
je 0x402699
push 0x4000
push dword [ebp - 0x18]
push eax
call sub.kernel32.dll_VirtualFree
jmp 0x4022e8
popal
leave
ret