Function at 0x41ccd9
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
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 - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x41cd08
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x41cd12
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0041f74b
test eax, eax
pop ecx
je 0x41cd2d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00413ab6
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040f8cc
test eax, eax
pop ecx
je 0x41cd48
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00413ab6
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x41cd65
test ecx, 0x74000
jne 0x41cd61
cmp dword [ebp - 0x24], eax
je 0x41cd65
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x41cdbf
dec eax
je 0x41cda9
dec eax
je 0x41cda4
call fcn.00410cbf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00410cac
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00413bb2
add esp, 0x14
jmp 0x41d371
mov dword [ebp - 8], edx
jmp 0x41cdc2
test cl, 8
je 0x41cdb6
test ecx, 0x70000
jne 0x41cda4
mov dword [ebp - 8], 0x40000000
jmp 0x41cdc2
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x41ce03
sub eax, ecx
je 0x41cdfa
sub eax, ecx
je 0x41cdf1
sub eax, ecx
je 0x41cde8
sub eax, 0x40
jne 0x41cd7e
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x41ce06
mov dword [ebp - 0x10], 3
jmp 0x41ce06
mov dword [ebp - 0x10], 2
jmp 0x41ce06
mov dword [ebp - 0x10], 1
jmp 0x41ce06
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 0x41ce59
je 0x41ce50
cmp eax, ebx
je 0x41ce50
cmp eax, edi
je 0x41ce47
cmp eax, 0x200
je 0x41cecc
cmp eax, 0x300
jne 0x41cd7e
mov dword [ebp - 0x14], 2
jmp 0x41ce76
mov dword [ebp - 0x14], 4
jmp 0x41ce76
mov dword [ebp - 0x14], 3
jmp 0x41ce76
cmp eax, 0x500
je 0x41ce6f
cmp eax, 0x600
je 0x41cecc
cmp eax, edx
jne 0x41cd7e
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x41ce9a
mov ecx, dword [0x42ee08]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x41ce9a
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x41ceb6
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x41ceb6
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x41cebf
or dword [ebp - 0xc], edi
test al, 0x20
je 0x41ced5
or dword [ebp - 0xc], 0x8000000
jmp 0x41cee0
mov dword [ebp - 0x14], 5
jmp 0x41ce76
test al, 0x10
je 0x41cee0
or dword [ebp - 0xc], 0x10000000
call fcn.0041c9ba
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x41cf06
call fcn.00410cbf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00410cac
mov dword [eax], 0x18
jmp 0x41cf94
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
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 0x41cfa0
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x41cf6c
test byte [ebp + 0x10], 1
je 0x41cf6c
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
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 0x41cfa0
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x42f960]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00410cd2
pop ecx
call fcn.00410cac
mov eax, dword [eax]
jmp 0x41d42d
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x41cff1
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x42f960]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00410cd2
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x41cf94
call fcn.00410cac
mov dword [eax], 0xd
jmp 0x41cf94
cmp eax, 2
jne 0x41cffc
or byte [ebp - 1], 0x40
jmp 0x41d005
cmp eax, 3
jne 0x41d005
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0041c789
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x42f960]
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 + 0x42f960]
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 0x41d0da
test cl, 0x80
je 0x41d1aa
test byte [ebp + 0x10], 2
je 0x41d0da
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0041f61d
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x41d099
call fcn.00410cbf
cmp dword [eax], 0x83
je 0x41d0da
push dword [esi]
call fcn.00416772
jmp 0x41cf93
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0041ef5f
add esp, 0xc
test eax, eax
jne 0x41d0ca
cmp byte [ebp - 4], 0x1a
jne 0x41d0ca
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0041edab
add esp, 0xc
cmp eax, edi
je 0x41d08d
push ebx
push ebx
push dword [esi]
call fcn.0041f61d
add esp, 0xc
cmp eax, edi
je 0x41d08d
test byte [ebp - 1], 0x80
je 0x41d1aa
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x41d102
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x41d0ff
or dword [ebp + 0x10], edi
jmp 0x41d102
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x41d14f
cmp eax, 0x10000
je 0x41d13b
cmp eax, 0x14000
je 0x41d13b
cmp eax, 0x20000
je 0x41d149
cmp eax, 0x24000
je 0x41d149
cmp eax, 0x40000
je 0x41d135
cmp eax, 0x44000
jne 0x41d152
mov byte [ebp - 2], 1
jmp 0x41d152
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x41d152
mov byte [ebp - 2], 2
jmp 0x41d152
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x41d1aa
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x41d1aa
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x41d304
cmp eax, 0x80000000
je 0x41d2cb
cmp eax, ecx
jne 0x41d1aa
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41d1aa
cmp eax, 2
jbe 0x41d3ac
cmp eax, 4
jbe 0x41d29d
cmp eax, 5
je 0x41d3ac
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42f960]
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 + 0x42f960]
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 0x41d21c
test byte [ebp + 0x10], 8
je 0x41d21c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42f960]
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 0x41d42b
test byte [ebp + 0x10], 1
je 0x41d42b
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x41d414
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00410cd2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42f960]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0041c806
pop ecx
jmp 0x41cf93
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041b502
add esp, 0x10
or eax, edx
je 0x41d3ac
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041b502
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x41d08d
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0041ef5f
add esp, 0xc
cmp eax, 0xffffffff
je 0x41d08d
cmp eax, 2
je 0x41d350
cmp eax, 3
jne 0x41d39e
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x41d350
mov byte [ebp - 2], 1
jmp 0x41d1aa
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41d1aa
cmp eax, 2
jbe 0x41d3ac
cmp eax, 4
ja 0x41d1a1
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041b502
add esp, 0x10
or eax, edx
je 0x41d3ac
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041b502
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x41d1aa
jmp 0x41d08d
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x41d378
push dword [esi]
call fcn.00416772
pop ecx
call fcn.00410cac
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x41d42d
cmp eax, 0xfeff
jne 0x41d39e
push ebx
push 2
push dword [esi]
call fcn.0041f61d
add esp, 0xc
cmp eax, 0xffffffff
je 0x41d08d
mov byte [ebp - 2], 2
jmp 0x41d1aa
push ebx
push ebx
push dword [esi]
call fcn.0041f61d
add esp, 0xc
jmp 0x41d342
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x41d3cc
dec eax
jne 0x41d1aa
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x41d3da
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.0041bc64
add esp, 0xc
cmp eax, 0xffffffff
je 0x41d400
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x41d3da
jmp 0x41d1aa
push dword [esi]
call fcn.00416772
pop ecx
call fcn.00410cac
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x41d42d
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42f960]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret