Function at 0x41f37e
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x41f3ad
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x41f3b7
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00420515
test eax, eax
pop ecx
je 0x41f3d2
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040a983
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040a683
test eax, eax
pop ecx
je 0x41f3ed
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040a983
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x41f40a
test ecx, 0x74000
jne 0x41f406
cmp dword [ebp - 0x24], eax
je 0x41f40a
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x41f464
dec eax
je 0x41f44e
dec eax
je 0x41f449
call fcn.00410648
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00410635
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040aa7f
add esp, 0x14
jmp 0x41fa17
mov dword [ebp - 8], edx
jmp 0x41f467
test cl, 8
je 0x41f45b
test ecx, 0x70000
jne 0x41f449
mov dword [ebp - 8], 0x40000000
jmp 0x41f467
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x41f4a8
sub eax, ecx
je 0x41f49f
sub eax, ecx
je 0x41f496
sub eax, ecx
je 0x41f48d
sub eax, 0x40
jne 0x41f423
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x41f4ab
mov dword [ebp - 0x10], 3
jmp 0x41f4ab
mov dword [ebp - 0x10], 2
jmp 0x41f4ab
mov dword [ebp - 0x10], 1
jmp 0x41f4ab
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x41f4fe
je 0x41f4f5
cmp eax, ebx
je 0x41f4f5
cmp eax, edi
je 0x41f4ec
cmp eax, 0x200
je 0x41f571
cmp eax, 0x300
jne 0x41f423
mov dword [ebp - 0x14], 2
jmp 0x41f51b
mov dword [ebp - 0x14], 4
jmp 0x41f51b
mov dword [ebp - 0x14], 3
jmp 0x41f51b
cmp eax, 0x500
je 0x41f514
cmp eax, 0x600
je 0x41f571
cmp eax, edx
jne 0x41f423
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x41f53f
mov ecx, dword [0x430860]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x41f53f
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x41f55b
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x41f55b
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x41f564
or dword [ebp - 0xc], edi
test al, 0x20
je 0x41f57a
or dword [ebp - 0xc], 0x8000000
jmp 0x41f585
mov dword [ebp - 0x14], 5
jmp 0x41f51b
test al, 0x10
je 0x41f585
or dword [ebp - 0xc], 0x10000000
call fcn.0041cc74
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x41f5ab
call fcn.00410648
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00410635
mov dword [eax], 0x18
jmp 0x41f639
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x41f645
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x41f611
test byte [ebp + 0x10], 1
je 0x41f611
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x41f645
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x431620]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0041065b
pop ecx
call fcn.00410635
mov eax, dword [eax]
jmp 0x41fad3
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x41f696
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x431620]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0041065b
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x41f639
call fcn.00410635
mov dword [eax], 0xd
jmp 0x41f639
cmp eax, 2
jne 0x41f6a1
or byte [ebp - 1], 0x40
jmp 0x41f6aa
cmp eax, 3
jne 0x41f6aa
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0041ca43
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x431620]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x431620]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x41f780
test cl, 0x80
je 0x41f850
test byte [ebp + 0x10], 2
je 0x41f780
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00414390
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x41f73e
call fcn.00410648
cmp dword [eax], 0x83
je 0x41f780
push dword [esi]
call fcn.00415d32
jmp 0x41f638
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0041c385
add esp, 0xc
test eax, eax
jne 0x41f770
cmp word [ebp - 0x2c], 0x1a
jne 0x41f770
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004202a5
add esp, 0xc
cmp eax, edi
je 0x41f732
push ebx
push ebx
push dword [esi]
call fcn.00414390
add esp, 0xc
cmp eax, edi
je 0x41f732
test byte [ebp - 1], 0x80
je 0x41f850
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x41f7a8
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x41f7a5
or dword [ebp + 0x10], edi
jmp 0x41f7a8
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x41f7f5
cmp eax, 0x10000
je 0x41f7e1
cmp eax, 0x14000
je 0x41f7e1
cmp eax, 0x20000
je 0x41f7ef
cmp eax, 0x24000
je 0x41f7ef
cmp eax, 0x40000
je 0x41f7db
cmp eax, 0x44000
jne 0x41f7f8
mov byte [ebp - 2], 1
jmp 0x41f7f8
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x41f7f8
mov byte [ebp - 2], 2
jmp 0x41f7f8
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x41f850
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x41f850
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x41f9aa
cmp eax, 0x80000000
je 0x41f971
cmp eax, ecx
jne 0x41f850
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41f850
cmp eax, 2
jbe 0x41fa52
cmp eax, 4
jbe 0x41f943
cmp eax, 5
je 0x41fa52
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x41f8c2
test byte [ebp + 0x10], 8
je 0x41f8c2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x41fad1
test byte [ebp + 0x10], 1
je 0x41fad1
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x41faba
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0041065b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0041cac0
pop ecx
jmp 0x41f638
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041bed1
add esp, 0x10
or eax, edx
je 0x41fa52
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041bed1
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x41f732
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0041c385
add esp, 0xc
cmp eax, 0xffffffff
je 0x41f732
cmp eax, 2
je 0x41f9f6
cmp eax, 3
jne 0x41fa44
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x41f9f6
mov byte [ebp - 2], 1
jmp 0x41f850
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41f850
cmp eax, 2
jbe 0x41fa52
cmp eax, 4
ja 0x41f847
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041bed1
add esp, 0x10
or eax, edx
je 0x41fa52
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041bed1
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x41f850
jmp 0x41f732
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x41fa1e
push dword [esi]
call fcn.00415d32
pop ecx
call fcn.00410635
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x41fad3
cmp eax, 0xfeff
jne 0x41fa44
push ebx
push 2
push dword [esi]
call fcn.00414390
add esp, 0xc
cmp eax, 0xffffffff
je 0x41f732
mov byte [ebp - 2], 2
jmp 0x41f850
push ebx
push ebx
push dword [esi]
call fcn.00414390
add esp, 0xc
jmp 0x41f9e8
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x41fa72
dec eax
jne 0x41f850
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x41fa80
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.00415b75
add esp, 0xc
cmp eax, 0xffffffff
je 0x41faa6
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x41fa80
jmp 0x41f850
push dword [esi]
call fcn.00415d32
pop ecx
call fcn.00410635
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x41fad3
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret