Function at 0x41a6fe
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 0x41a72d
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x41a737
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0041d8a8
test eax, eax
pop ecx
je 0x41a752
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040d812
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00413ed4
test eax, eax
pop ecx
je 0x41a76d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040d812
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x41a78a
test ecx, 0x74000
jne 0x41a786
cmp dword [ebp - 0x24], eax
je 0x41a78a
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x41a7e4
dec eax
je 0x41a7ce
dec eax
je 0x41a7c9
call fcn.00411b1d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00411b0a
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040d90e
add esp, 0x14
jmp 0x41ad97
mov dword [ebp - 8], edx
jmp 0x41a7e7
test cl, 8
je 0x41a7db
test ecx, 0x70000
jne 0x41a7c9
mov dword [ebp - 8], 0x40000000
jmp 0x41a7e7
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x41a828
sub eax, ecx
je 0x41a81f
sub eax, ecx
je 0x41a816
sub eax, ecx
je 0x41a80d
sub eax, 0x40
jne 0x41a7a3
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x41a82b
mov dword [ebp - 0x10], 3
jmp 0x41a82b
mov dword [ebp - 0x10], 2
jmp 0x41a82b
mov dword [ebp - 0x10], 1
jmp 0x41a82b
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 0x41a87e
je 0x41a875
cmp eax, ebx
je 0x41a875
cmp eax, edi
je 0x41a86c
cmp eax, 0x200
je 0x41a8f1
cmp eax, 0x300
jne 0x41a7a3
mov dword [ebp - 0x14], 2
jmp 0x41a89b
mov dword [ebp - 0x14], 4
jmp 0x41a89b
mov dword [ebp - 0x14], 3
jmp 0x41a89b
cmp eax, 0x500
je 0x41a894
cmp eax, 0x600
je 0x41a8f1
cmp eax, edx
jne 0x41a7a3
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x41a8bf
mov ecx, dword [0x42a8dc]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x41a8bf
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x41a8db
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x41a8db
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x41a8e4
or dword [ebp - 0xc], edi
test al, 0x20
je 0x41a8fa
or dword [ebp - 0xc], 0x8000000
jmp 0x41a905
mov dword [ebp - 0x14], 5
jmp 0x41a89b
test al, 0x10
je 0x41a905
or dword [ebp - 0xc], 0x10000000
call fcn.0041b3a2
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x41a92b
call fcn.00411b1d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00411b0a
mov dword [eax], 0x18
jmp 0x41a9b9
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 0x41a9c5
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x41a991
test byte [ebp + 0x10], 1
je 0x41a991
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 0x41a9c5
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x42afe0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00411b30
pop ecx
call fcn.00411b0a
mov eax, dword [eax]
jmp 0x41ae53
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x41aa16
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x42afe0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00411b30
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x41a9b9
call fcn.00411b0a
mov dword [eax], 0xd
jmp 0x41a9b9
cmp eax, 2
jne 0x41aa21
or byte [ebp - 1], 0x40
jmp 0x41aa2a
cmp eax, 3
jne 0x41aa2a
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0041b171
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x42afe0]
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 + 0x42afe0]
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 0x41ab00
test cl, 0x80
je 0x41abd0
test byte [ebp + 0x10], 2
je 0x41ab00
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0041d77a
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x41aabe
call fcn.00411b1d
cmp dword [eax], 0x83
je 0x41ab00
push dword [esi]
call fcn.004159a5
jmp 0x41a9b8
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004161a1
add esp, 0xc
test eax, eax
jne 0x41aaf0
cmp word [ebp - 0x2c], 0x1a
jne 0x41aaf0
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0041d5c6
add esp, 0xc
cmp eax, edi
je 0x41aab2
push ebx
push ebx
push dword [esi]
call fcn.0041d77a
add esp, 0xc
cmp eax, edi
je 0x41aab2
test byte [ebp - 1], 0x80
je 0x41abd0
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x41ab28
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x41ab25
or dword [ebp + 0x10], edi
jmp 0x41ab28
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x41ab75
cmp eax, 0x10000
je 0x41ab61
cmp eax, 0x14000
je 0x41ab61
cmp eax, 0x20000
je 0x41ab6f
cmp eax, 0x24000
je 0x41ab6f
cmp eax, 0x40000
je 0x41ab5b
cmp eax, 0x44000
jne 0x41ab78
mov byte [ebp - 2], 1
jmp 0x41ab78
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x41ab78
mov byte [ebp - 2], 2
jmp 0x41ab78
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x41abd0
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x41abd0
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x41ad2a
cmp eax, 0x80000000
je 0x41acf1
cmp eax, ecx
jne 0x41abd0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41abd0
cmp eax, 2
jbe 0x41add2
cmp eax, 4
jbe 0x41acc3
cmp eax, 5
je 0x41add2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42afe0]
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 + 0x42afe0]
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 0x41ac42
test byte [ebp + 0x10], 8
je 0x41ac42
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42afe0]
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 0x41ae51
test byte [ebp + 0x10], 1
je 0x41ae51
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 0x41ae3a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00411b30
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42afe0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0041b1ee
pop ecx
jmp 0x41a9b8
push 2
push ebx
push ebx
push dword [esi]
call fcn.00418b32
add esp, 0x10
or eax, edx
je 0x41add2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00418b32
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x41aab2
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004161a1
add esp, 0xc
cmp eax, 0xffffffff
je 0x41aab2
cmp eax, 2
je 0x41ad76
cmp eax, 3
jne 0x41adc4
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x41ad76
mov byte [ebp - 2], 1
jmp 0x41abd0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41abd0
cmp eax, 2
jbe 0x41add2
cmp eax, 4
ja 0x41abc7
push 2
push ebx
push ebx
push dword [esi]
call fcn.00418b32
add esp, 0x10
or eax, edx
je 0x41add2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00418b32
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x41abd0
jmp 0x41aab2
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x41ad9e
push dword [esi]
call fcn.004159a5
pop ecx
call fcn.00411b0a
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x41ae53
cmp eax, 0xfeff
jne 0x41adc4
push ebx
push 2
push dword [esi]
call fcn.0041d77a
add esp, 0xc
cmp eax, 0xffffffff
je 0x41aab2
mov byte [ebp - 2], 2
jmp 0x41abd0
push ebx
push ebx
push dword [esi]
call fcn.0041d77a
add esp, 0xc
jmp 0x41ad68
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x41adf2
dec eax
jne 0x41abd0
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x41ae00
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.00415715
add esp, 0xc
cmp eax, 0xffffffff
je 0x41ae26
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x41ae00
jmp 0x41abd0
push dword [esi]
call fcn.004159a5
pop ecx
call fcn.00411b0a
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x41ae53
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42afe0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret