Function at 0x41cd94
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 0x41cdc3
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x41cdcd
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0041fc14
test eax, eax
pop ecx
je 0x41cde8
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040e478
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040ef72
test eax, eax
pop ecx
je 0x41ce03
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040e478
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x41ce20
test ecx, 0x74000
jne 0x41ce1c
cmp dword [ebp - 0x24], eax
je 0x41ce20
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x41ce7a
dec eax
je 0x41ce64
dec eax
je 0x41ce5f
call fcn.0040fcdc
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040fcc9
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040e574
add esp, 0x14
jmp 0x41d42d
mov dword [ebp - 8], edx
jmp 0x41ce7d
test cl, 8
je 0x41ce71
test ecx, 0x70000
jne 0x41ce5f
mov dword [ebp - 8], 0x40000000
jmp 0x41ce7d
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x41cebe
sub eax, ecx
je 0x41ceb5
sub eax, ecx
je 0x41ceac
sub eax, ecx
je 0x41cea3
sub eax, 0x40
jne 0x41ce39
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x41cec1
mov dword [ebp - 0x10], 3
jmp 0x41cec1
mov dword [ebp - 0x10], 2
jmp 0x41cec1
mov dword [ebp - 0x10], 1
jmp 0x41cec1
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 0x41cf14
je 0x41cf0b
cmp eax, ebx
je 0x41cf0b
cmp eax, edi
je 0x41cf02
cmp eax, 0x200
je 0x41cf87
cmp eax, 0x300
jne 0x41ce39
mov dword [ebp - 0x14], 2
jmp 0x41cf31
mov dword [ebp - 0x14], 4
jmp 0x41cf31
mov dword [ebp - 0x14], 3
jmp 0x41cf31
cmp eax, 0x500
je 0x41cf2a
cmp eax, 0x600
je 0x41cf87
cmp eax, edx
jne 0x41ce39
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x41cf55
mov ecx, dword [0x44663c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x41cf55
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x41cf71
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x41cf71
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x41cf7a
or dword [ebp - 0xc], edi
test al, 0x20
je 0x41cf90
or dword [ebp - 0xc], 0x8000000
jmp 0x41cf9b
mov dword [ebp - 0x14], 5
jmp 0x41cf31
test al, 0x10
je 0x41cf9b
or dword [ebp - 0xc], 0x10000000
call fcn.0041d978
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x41cfc1
call fcn.0040fcdc
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040fcc9
mov dword [eax], 0x18
jmp 0x41d04f
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 0x41d05b
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x41d027
test byte [ebp + 0x10], 1
je 0x41d027
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 0x41d05b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x448460]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040fcef
pop ecx
call fcn.0040fcc9
mov eax, dword [eax]
jmp 0x41d4e9
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x41d0ac
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x448460]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0040fcef
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x41d04f
call fcn.0040fcc9
mov dword [eax], 0xd
jmp 0x41d04f
cmp eax, 2
jne 0x41d0b7
or byte [ebp - 1], 0x40
jmp 0x41d0c0
cmp eax, 3
jne 0x41d0c0
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0041d747
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x448460]
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 + 0x448460]
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 0x41d196
test cl, 0x80
je 0x41d266
test byte [ebp + 0x10], 2
je 0x41d196
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0041fae6
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x41d154
call fcn.0040fcdc
cmp dword [eax], 0x83
je 0x41d196
push dword [esi]
call fcn.0041752b
jmp 0x41d04e
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0041f428
add esp, 0xc
test eax, eax
jne 0x41d186
cmp word [ebp - 0x2c], 0x1a
jne 0x41d186
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0041f274
add esp, 0xc
cmp eax, edi
je 0x41d148
push ebx
push ebx
push dword [esi]
call fcn.0041fae6
add esp, 0xc
cmp eax, edi
je 0x41d148
test byte [ebp - 1], 0x80
je 0x41d266
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x41d1be
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x41d1bb
or dword [ebp + 0x10], edi
jmp 0x41d1be
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x41d20b
cmp eax, 0x10000
je 0x41d1f7
cmp eax, 0x14000
je 0x41d1f7
cmp eax, 0x20000
je 0x41d205
cmp eax, 0x24000
je 0x41d205
cmp eax, 0x40000
je 0x41d1f1
cmp eax, 0x44000
jne 0x41d20e
mov byte [ebp - 2], 1
jmp 0x41d20e
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x41d20e
mov byte [ebp - 2], 2
jmp 0x41d20e
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x41d266
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x41d266
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x41d3c0
cmp eax, 0x80000000
je 0x41d387
cmp eax, ecx
jne 0x41d266
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41d266
cmp eax, 2
jbe 0x41d468
cmp eax, 4
jbe 0x41d359
cmp eax, 5
je 0x41d468
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x448460]
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 + 0x448460]
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 0x41d2d8
test byte [ebp + 0x10], 8
je 0x41d2d8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x448460]
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 0x41d4e7
test byte [ebp + 0x10], 1
je 0x41d4e7
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 0x41d4d0
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040fcef
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x448460]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0041d7c4
pop ecx
jmp 0x41d04e
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041c145
add esp, 0x10
or eax, edx
je 0x41d468
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041c145
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x41d148
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0041f428
add esp, 0xc
cmp eax, 0xffffffff
je 0x41d148
cmp eax, 2
je 0x41d40c
cmp eax, 3
jne 0x41d45a
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x41d40c
mov byte [ebp - 2], 1
jmp 0x41d266
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41d266
cmp eax, 2
jbe 0x41d468
cmp eax, 4
ja 0x41d25d
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041c145
add esp, 0x10
or eax, edx
je 0x41d468
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041c145
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x41d266
jmp 0x41d148
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x41d434
push dword [esi]
call fcn.0041752b
pop ecx
call fcn.0040fcc9
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x41d4e9
cmp eax, 0xfeff
jne 0x41d45a
push ebx
push 2
push dword [esi]
call fcn.0041fae6
add esp, 0xc
cmp eax, 0xffffffff
je 0x41d148
mov byte [ebp - 2], 2
jmp 0x41d266
push ebx
push ebx
push dword [esi]
call fcn.0041fae6
add esp, 0xc
jmp 0x41d3fe
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x41d488
dec eax
jne 0x41d266
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x41d496
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.0041c8a7
add esp, 0xc
cmp eax, 0xffffffff
je 0x41d4bc
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x41d496
jmp 0x41d266
push dword [esi]
call fcn.0041752b
pop ecx
call fcn.0040fcc9
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x41d4e9
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x448460]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret