Function at 0x4021d0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x403ab8
mov eax, dword fs:[0]
push eax
sub esp, 0x30
mov eax, dword [0x406004]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, ecx
mov ecx, dword [ebp + 8]
cmp ecx, 0xffffffff
jne 0x40220c
xor eax, eax
jmp 0x402400
mov eax, dword [ebx + 0x20]
mov edx, dword [eax]
test edx, edx
je 0x40223a
mov esi, dword [ebx + 0x30]
mov edi, dword [esi]
lea eax, [edi + edx]
cmp edx, eax
jae 0x40223a
lea eax, [edi - 1]
mov dword [esi], eax
mov ecx, dword [ebx + 0x20]
mov edx, dword [ecx]
lea eax, [edx + 1]
mov dword [ecx], eax
mov eax, dword [ebp + 8]
mov byte [edx], al
jmp 0x402400
cmp dword [ebx + 0x4c], 0
jne 0x402248
or eax, 0xffffffff
jmp 0x402400
mov esi, dword [ebx + 0xc]
lea eax, [ebx + 0x3c]
cmp dword [esi], eax
jne 0x402269
mov ecx, dword [ebx + 0x50]
mov edx, dword [ebx + 0x54]
mov dword [esi], ecx
sub edx, ecx
mov eax, dword [ebx + 0x1c]
mov dword [eax], ecx
mov eax, dword [ebx + 0x2c]
mov ecx, dword [ebp + 8]
mov dword [eax], edx
cmp dword [ebx + 0x38], 0
jne 0x40228f
push dword [ebx + 0x4c]
movsx eax, cl
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fputc]
or ecx, 0xffffffff
add esp, 8
cmp eax, ecx
cmovne ecx, dword [ebp + 8]
mov eax, ecx
jmp 0x402400
sub esp, 8
mov byte [ebp - 0x11], cl
lea ecx, [ebp - 0x2c]
call fcn.004017a0
mov dword [ebp - 4], 0
mov esi, dword [ebp - 0x18]
mov edi, dword [ebp - 0x2c]
nop word [eax + eax]
cmp esi, 0x10
lea eax, [ebp - 0x30]
push eax
mov eax, dword [ebp - 0x1c]
lea edx, [ebp - 0x2c]
cmovae edx, edi
lea ecx, [ebp - 0x2c]
cmovae ecx, edi
add eax, edx
push eax
push ecx
mov ecx, dword [ebx + 0x38]
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0x11]
push eax
lea eax, [ebx + 0x40]
push eax
call dword [sym.imp.MSVCP140.dll_public:_int___thiscall_std::codecvt_char__char__struct__Mbstatet_::out_struct__Mbstatet___char_const___char_const___char_const____char___char___char___const]
test eax, eax
js 0x4023c5
cmp eax, 1
jg 0x40239c
mov esi, dword [ebp - 0x18]
lea eax, [ebp - 0x2c]
mov edi, dword [ebp - 0x2c]
cmp esi, 0x10
mov ecx, dword [ebp - 0x30]
cmovae eax, edi
sub ecx, eax
mov dword [ebp - 0x38], ecx
je 0x402337
push dword [ebx + 0x4c]
cmp esi, 0x10
lea eax, [ebp - 0x2c]
push ecx
cmovae eax, edi
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
mov ecx, dword [ebp - 0x38]
add esp, 0x10
mov esi, dword [ebp - 0x18]
mov edi, dword [ebp - 0x2c]
cmp ecx, eax
jne 0x4023cb
lea eax, [ebp - 0x11]
mov byte [ebx + 0x3d], 1
cmp dword [ebp - 0x34], eax
jne 0x402397
test ecx, ecx
jne 0x4022b0
mov ecx, dword [ebp - 0x1c]
cmp ecx, 0x20
jae 0x4023cb
mov eax, esi
sub eax, ecx
cmp eax, 8
jb 0x40237d
lea eax, [ecx + 8]
cmp esi, 0x10
mov dword [ebp - 0x1c], eax
xorps xmm0, xmm0
lea eax, [ebp - 0x2c]
cmovae eax, edi
movq qword [eax + ecx], xmm0
mov byte [eax + ecx + 8], 0
jmp 0x4022a4
push 0
push 8
mov byte [ebp - 0x3c], 0
lea ecx, [ebp - 0x2c]
push dword [ebp - 0x3c]
push 8
call fcn.004029b0
jmp 0x4022a4
mov ebx, dword [ebp + 8]
jmp 0x4023ce
cmp eax, 3
jne 0x4023c5
push dword [ebx + 0x4c]
movsx eax, byte [ebp - 0x11]
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fputc]
mov esi, dword [ebp - 0x18]
or ecx, 0xffffffff
mov edi, dword [ebp - 0x2c]
add esp, 8
cmp eax, ecx
cmovne ecx, dword [ebp + 8]
mov ebx, ecx
jmp 0x4023ce
mov esi, dword [ebp - 0x18]
mov edi, dword [ebp - 0x2c]
or ebx, 0xffffffff
cmp esi, 0x10
jb 0x4023fe
inc esi
mov eax, edi
cmp esi, 0x1000
jb 0x4023f4
mov edi, dword [edi - 4]
add esi, 0x23
sub eax, edi
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x4023f4
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push esi
push edi
call fcn.00402cbd
add esp, 8
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00402c7c
mov esp, ebp
pop ebp
ret 4