Function at 0x442b19
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 0x442b48
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x442b52
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00444ab4
test eax, eax
pop ecx
je 0x442b6d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00435aaf
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00439aac
test eax, eax
pop ecx
je 0x442b88
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00435aaf
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x442ba5
test ecx, 0x74000
jne 0x442ba1
cmp dword [ebp - 0x24], eax
je 0x442ba5
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x442bff
dec eax
je 0x442be9
dec eax
je 0x442be4
call fcn.00438543
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00438530
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00435bab
add esp, 0x14
jmp 0x4431b1
mov dword [ebp - 8], edx
jmp 0x442c02
test cl, 8
je 0x442bf6
test ecx, 0x70000
jne 0x442be4
mov dword [ebp - 8], 0x40000000
jmp 0x442c02
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x442c43
sub eax, ecx
je 0x442c3a
sub eax, ecx
je 0x442c31
sub eax, ecx
je 0x442c28
sub eax, 0x40
jne 0x442bbe
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x442c46
mov dword [ebp - 0x10], 3
jmp 0x442c46
mov dword [ebp - 0x10], 2
jmp 0x442c46
mov dword [ebp - 0x10], 1
jmp 0x442c46
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 0x442c99
je 0x442c90
cmp eax, ebx
je 0x442c90
cmp eax, edi
je 0x442c87
cmp eax, 0x200
je 0x442d0c
cmp eax, 0x300
jne 0x442bbe
mov dword [ebp - 0x14], 2
jmp 0x442cb6
mov dword [ebp - 0x14], 4
jmp 0x442cb6
mov dword [ebp - 0x14], 3
jmp 0x442cb6
cmp eax, 0x500
je 0x442caf
cmp eax, 0x600
je 0x442d0c
cmp eax, edx
jne 0x442bbe
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x442cda
mov ecx, dword [0x491060]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x442cda
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x442cf6
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x442cf6
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x442cff
or dword [ebp - 0xc], edi
test al, 0x20
je 0x442d15
or dword [ebp - 0xc], 0x8000000
jmp 0x442d20
mov dword [ebp - 0x14], 5
jmp 0x442cb6
test al, 0x10
je 0x442d20
or dword [ebp - 0xc], 0x10000000
call fcn.00442899
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x442d46
call fcn.00438543
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00438530
mov dword [eax], 0x18
jmp 0x442dd4
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 0x442de0
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x442dac
test byte [ebp + 0x10], 1
je 0x442dac
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 0x442de0
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x491a80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00438556
pop ecx
call fcn.00438530
mov eax, dword [eax]
jmp 0x44326d
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x442e31
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x491a80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00438556
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x442dd4
call fcn.00438530
mov dword [eax], 0xd
jmp 0x442dd4
cmp eax, 2
jne 0x442e3c
or byte [ebp - 1], 0x40
jmp 0x442e45
cmp eax, 3
jne 0x442e45
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00442668
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x491a80]
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 + 0x491a80]
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 0x442f1a
test cl, 0x80
je 0x442fea
test byte [ebp + 0x10], 2
je 0x442f1a
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043ff36
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x442ed9
call fcn.00438543
cmp dword [eax], 0x83
je 0x442f1a
push dword [esi]
call fcn.0043e375
jmp 0x442dd3
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0043f552
add esp, 0xc
test eax, eax
jne 0x442f0a
cmp byte [ebp - 4], 0x1a
jne 0x442f0a
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00444844
add esp, 0xc
cmp eax, edi
je 0x442ecd
push ebx
push ebx
push dword [esi]
call fcn.0043ff36
add esp, 0xc
cmp eax, edi
je 0x442ecd
test byte [ebp - 1], 0x80
je 0x442fea
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x442f42
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x442f3f
or dword [ebp + 0x10], edi
jmp 0x442f42
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x442f8f
cmp eax, 0x10000
je 0x442f7b
cmp eax, 0x14000
je 0x442f7b
cmp eax, 0x20000
je 0x442f89
cmp eax, 0x24000
je 0x442f89
cmp eax, 0x40000
je 0x442f75
cmp eax, 0x44000
jne 0x442f92
mov byte [ebp - 2], 1
jmp 0x442f92
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x442f92
mov byte [ebp - 2], 2
jmp 0x442f92
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x442fea
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x442fea
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x443144
cmp eax, 0x80000000
je 0x44310b
cmp eax, ecx
jne 0x442fea
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x442fea
cmp eax, 2
jbe 0x4431ec
cmp eax, 4
jbe 0x4430dd
cmp eax, 5
je 0x4431ec
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x491a80]
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 + 0x491a80]
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 0x44305c
test byte [ebp + 0x10], 8
je 0x44305c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x491a80]
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 0x44326b
test byte [ebp + 0x10], 1
je 0x44326b
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 0x443254
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00438556
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x491a80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004426e5
pop ecx
jmp 0x442dd3
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044093b
add esp, 0x10
or eax, edx
je 0x4431ec
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044093b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x442ecd
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043f552
add esp, 0xc
cmp eax, 0xffffffff
je 0x442ecd
cmp eax, 2
je 0x443190
cmp eax, 3
jne 0x4431de
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x443190
mov byte [ebp - 2], 1
jmp 0x442fea
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x442fea
cmp eax, 2
jbe 0x4431ec
cmp eax, 4
ja 0x442fe1
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044093b
add esp, 0x10
or eax, edx
je 0x4431ec
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044093b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x442fea
jmp 0x442ecd
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4431b8
push dword [esi]
call fcn.0043e375
pop ecx
call fcn.00438530
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x44326d
cmp eax, 0xfeff
jne 0x4431de
push ebx
push 2
push dword [esi]
call fcn.0043ff36
add esp, 0xc
cmp eax, 0xffffffff
je 0x442ecd
mov byte [ebp - 2], 2
jmp 0x442fea
push ebx
push ebx
push dword [esi]
call fcn.0043ff36
add esp, 0xc
jmp 0x443182
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x44320c
dec eax
jne 0x442fea
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x44321a
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.0044109d
add esp, 0xc
cmp eax, 0xffffffff
je 0x443240
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x44321a
jmp 0x442fea
push dword [esi]
call fcn.0043e375
pop ecx
call fcn.00438530
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x44326d
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x491a80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret