Function at 0x421230
Capabilities:
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
sub esp, 0x34
push ebx
mov ebx, dword [ebp + 0x1c]
push esi
push edi
push ebx
call sym.test_usbprog.exe__sys_error_none_4
mov esi, dword [ebp + 8]
mov esi, dword [esi + 0x918]
test esi, esi
jne 0x42127a
push 1
call fcn.0040a39c
push eax
push 0x36
push 1
push 0x435580
call fcn.0040a631
push 0x4355b8
call fcn.00401f00
add esp, 0x18
call sym.test_usbprog.exe__sys_bomb_0
mov ecx, dword [ebp + 0x18]
xor al, al
mov edi, dword [ebp + 0xc]
mov edx, edi
mov dword [esp + 0x1c], edx
mov byte [esp + 0x1b], al
mov dword [ecx], 0
test edi, edi
je 0x42143b
lea edi, [esi + 0x808]
cmp dword [edi], 0
jbe 0x4212ce
mov eax, dword [esi + 0x80c]
mov ebx, dword [ebp + 0x14]
inc dword [ebp + 0x14]
mov al, byte [eax + esi + 8]
mov byte [ebx], al
dec dword [edi]
inc dword [esi + 0x80c]
inc dword [ecx]
dec edx
mov ebx, dword [ebp + 0x1c]
mov dword [esp + 0x1c], edx
jmp 0x4213da
cmp dword [ecx], 0
jbe 0x4212dd
test byte [ebp + 0x10], 2
jne 0x42142b
mov dword [esi + 0x80c], 0
mov dword [esp + 0x34], 0
mov dword [esp + 0x38], 0
test al, al
jne 0x421318
push 0x43864c
push 0
push 1
push dword [0x438648]
call sub.KERNEL32.dll_CreateEventA
mov dword [esp + 0x3c], eax
mov byte [esp + 0x1b], 1
lea eax, [esp + 0x2c]
push eax
push edi
push dword [0x43557c]
lea eax, [esi + 8]
push eax
mov eax, dword [ebp + 8]
push dword [eax + 0x920]
call sub.KERNEL32.dll_ReadFile
test al, al
jne 0x4213ce
call sub.KERNEL32.dll_GetLastError
cmp eax, 0x3e5
jne 0x4213ec
movss xmm0, dword [esi]
xorps xmm1, xmm1
or eax, 0xffffffff
comiss xmm0, xmm1
jbe 0x42139e
movsd xmm1, qword [0x424938]
sub esp, 8
cvtps2pd xmm0, xmm0
mulsd xmm0, qword [0x423248]
maxsd xmm1, xmm0
addsd xmm1, qword [0x423240]
movsd qword [esp + 0x28], xmm1
fld qword [esp + 0x28]
fstp qword [esp]
call fcn.0040ba70
fstp qword [esp + 0x28]
cvttsd2si eax, qword [esp + 0x28]
add esp, 8
push eax
push dword [esp + 0x40]
call sub.KERNEL32.dll_WaitForSingleObject
cmp eax, 0x102
je 0x4213f1
cmp eax, 0xffffffff
je 0x4213e7
push 1
push edi
lea eax, [esp + 0x34]
push eax
mov eax, dword [ebp + 8]
push dword [eax + 0x920]
call sub.KERNEL32.dll_GetOverlappedResult
test al, al
je 0x4213e7
cmp dword [edi], 0
je 0x4213fd
mov ecx, dword [ebp + 0x18]
mov edx, dword [esp + 0x1c]
test edx, edx
je 0x42142b
mov al, byte [esp + 0x1b]
jmp 0x4212a0
call sub.KERNEL32.dll_GetLastError
mov dword [ebx + 0xc], eax
jmp 0x42142b
push ebx
push 0x20
push 0xfffffffffffffffd
call sym.test_usbprog.exe__sys_stat_set_12
jmp 0x42142b
mov esi, dword [ebp + 0x18]
push ebx
cmp dword [esi], 0
jne 0x421411
push 1
push 0xfffffffffffffffd
call sym.test_usbprog.exe__sys_stat_set_12
jmp 0x42142b
push 0xa
push 0xfffffffffffffffd
call sym.test_usbprog.exe__sys_stat_set_12
push ebx
push dword [ebp + 0xc]
call sym.test_usbprog.exe__sys_stat_parm_int_8
push ebx
push dword [esi]
call sym.test_usbprog.exe__sys_stat_parm_int_8
cmp byte [esp + 0x1b], 0
je 0x42143b
push dword [esp + 0x3c]
call sub.KERNEL32.dll_CloseHandle
mov eax, dword [ebx + 0xc]
cmp eax, 0x208
je 0x42144a
cmp eax, 0x40
jne 0x421454
push ebx
push 1
push 0xfffffffffffffffd
call sym.test_usbprog.exe__sys_stat_set_12
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18