Function at 0x455a24
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 0x455a53
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x455a5d
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00458b0d
test eax, eax
pop ecx
je 0x455a78
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043bded
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00444134
test eax, eax
pop ecx
je 0x455a93
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0043bded
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x455ab0
test ecx, 0x74000
jne 0x455aac
cmp dword [ebp - 0x24], eax
je 0x455ab0
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x455b0a
dec eax
je 0x455af4
dec eax
je 0x455aef
call fcn.00444461
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0044444e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0043bee9
add esp, 0x14
jmp 0x4560bd
mov dword [ebp - 8], edx
jmp 0x455b0d
test cl, 8
je 0x455b01
test ecx, 0x70000
jne 0x455aef
mov dword [ebp - 8], 0x40000000
jmp 0x455b0d
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x455b4e
sub eax, ecx
je 0x455b45
sub eax, ecx
je 0x455b3c
sub eax, ecx
je 0x455b33
sub eax, 0x40
jne 0x455ac9
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x455b51
mov dword [ebp - 0x10], 3
jmp 0x455b51
mov dword [ebp - 0x10], 2
jmp 0x455b51
mov dword [ebp - 0x10], 1
jmp 0x455b51
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 0x455ba4
je 0x455b9b
cmp eax, ebx
je 0x455b9b
cmp eax, edi
je 0x455b92
cmp eax, 0x200
je 0x455c17
cmp eax, 0x300
jne 0x455ac9
mov dword [ebp - 0x14], 2
jmp 0x455bc1
mov dword [ebp - 0x14], 4
jmp 0x455bc1
mov dword [ebp - 0x14], 3
jmp 0x455bc1
cmp eax, 0x500
je 0x455bba
cmp eax, 0x600
je 0x455c17
cmp eax, edx
jne 0x455ac9
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x455be5
mov ecx, dword [0x58d434]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x455be5
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x455c01
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x455c01
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x455c0a
or dword [ebp - 0xc], edi
test al, 0x20
je 0x455c20
or dword [ebp - 0xc], 0x8000000
jmp 0x455c2b
mov dword [ebp - 0x14], 5
jmp 0x455bc1
test al, 0x10
je 0x455c2b
or dword [ebp - 0xc], 0x10000000
call fcn.004557c3
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x455c51
call fcn.00444461
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0044444e
mov dword [eax], 0x18
jmp 0x455cdf
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 0x455ceb
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x455cb7
test byte [ebp + 0x10], 1
je 0x455cb7
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 0x455ceb
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5914e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00444474
pop ecx
call fcn.0044444e
mov eax, dword [eax]
jmp 0x456179
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x455d3c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5914e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00444474
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x455cdf
call fcn.0044444e
mov dword [eax], 0xd
jmp 0x455cdf
cmp eax, 2
jne 0x455d47
or byte [ebp - 1], 0x40
jmp 0x455d50
cmp eax, 3
jne 0x455d50
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00455592
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5914e0]
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 + 0x5914e0]
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 0x455e26
test cl, 0x80
je 0x455ef6
test byte [ebp + 0x10], 2
je 0x455e26
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00451b43
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x455de4
call fcn.00444461
cmp dword [eax], 0x83
je 0x455e26
push dword [esi]
call fcn.0044d651
jmp 0x455cde
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00452faa
add esp, 0xc
test eax, eax
jne 0x455e16
cmp word [ebp - 0x2c], 0x1a
jne 0x455e16
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045889d
add esp, 0xc
cmp eax, edi
je 0x455dd8
push ebx
push ebx
push dword [esi]
call fcn.00451b43
add esp, 0xc
cmp eax, edi
je 0x455dd8
test byte [ebp - 1], 0x80
je 0x455ef6
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x455e4e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x455e4b
or dword [ebp + 0x10], edi
jmp 0x455e4e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x455e9b
cmp eax, 0x10000
je 0x455e87
cmp eax, 0x14000
je 0x455e87
cmp eax, 0x20000
je 0x455e95
cmp eax, 0x24000
je 0x455e95
cmp eax, 0x40000
je 0x455e81
cmp eax, 0x44000
jne 0x455e9e
mov byte [ebp - 2], 1
jmp 0x455e9e
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x455e9e
mov byte [ebp - 2], 2
jmp 0x455e9e
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x455ef6
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x455ef6
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x456050
cmp eax, 0x80000000
je 0x456017
cmp eax, ecx
jne 0x455ef6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455ef6
cmp eax, 2
jbe 0x4560f8
cmp eax, 4
jbe 0x455fe9
cmp eax, 5
je 0x4560f8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5914e0]
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 + 0x5914e0]
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 0x455f68
test byte [ebp + 0x10], 8
je 0x455f68
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5914e0]
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 0x456177
test byte [ebp + 0x10], 1
je 0x456177
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 0x456160
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00444474
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5914e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0045560f
pop ecx
jmp 0x455cde
push 2
push ebx
push ebx
push dword [esi]
call fcn.004542d8
add esp, 0x10
or eax, edx
je 0x4560f8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004542d8
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x455dd8
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00452faa
add esp, 0xc
cmp eax, 0xffffffff
je 0x455dd8
cmp eax, 2
je 0x45609c
cmp eax, 3
jne 0x4560ea
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x45609c
mov byte [ebp - 2], 1
jmp 0x455ef6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x455ef6
cmp eax, 2
jbe 0x4560f8
cmp eax, 4
ja 0x455eed
push 2
push ebx
push ebx
push dword [esi]
call fcn.004542d8
add esp, 0x10
or eax, edx
je 0x4560f8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004542d8
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x455ef6
jmp 0x455dd8
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4560c4
push dword [esi]
call fcn.0044d651
pop ecx
call fcn.0044444e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x456179
cmp eax, 0xfeff
jne 0x4560ea
push ebx
push 2
push dword [esi]
call fcn.00451b43
add esp, 0xc
cmp eax, 0xffffffff
je 0x455dd8
mov byte [ebp - 2], 2
jmp 0x455ef6
push ebx
push ebx
push dword [esi]
call fcn.00451b43
add esp, 0xc
jmp 0x45608e
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x456118
dec eax
jne 0x455ef6
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x456126
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.0044ddd1
add esp, 0xc
cmp eax, 0xffffffff
je 0x45614c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x456126
jmp 0x455ef6
push dword [esi]
call fcn.0044d651
pop ecx
call fcn.0044444e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x456179
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5914e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret