Function at 0x441593
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 0x4415c2
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4415cc
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00444f07
test eax, eax
pop ecx
je 0x4415e7
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042ba29
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004335a7
test eax, eax
pop ecx
je 0x441602
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042ba29
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x44161f
test ecx, 0x74000
jne 0x44161b
cmp dword [ebp - 0x24], eax
je 0x44161f
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x441679
dec eax
je 0x441663
dec eax
je 0x44165e
call fcn.0042f092
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042f07f
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0042bb25
add esp, 0x14
jmp 0x441c2c
mov dword [ebp - 8], edx
jmp 0x44167c
test cl, 8
je 0x441670
test ecx, 0x70000
jne 0x44165e
mov dword [ebp - 8], 0x40000000
jmp 0x44167c
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4416bd
sub eax, ecx
je 0x4416b4
sub eax, ecx
je 0x4416ab
sub eax, ecx
je 0x4416a2
sub eax, 0x40
jne 0x441638
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4416c0
mov dword [ebp - 0x10], 3
jmp 0x4416c0
mov dword [ebp - 0x10], 2
jmp 0x4416c0
mov dword [ebp - 0x10], 1
jmp 0x4416c0
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 0x441713
je 0x44170a
cmp eax, ebx
je 0x44170a
cmp eax, edi
je 0x441701
cmp eax, 0x200
je 0x441786
cmp eax, 0x300
jne 0x441638
mov dword [ebp - 0x14], 2
jmp 0x441730
mov dword [ebp - 0x14], 4
jmp 0x441730
mov dword [ebp - 0x14], 3
jmp 0x441730
cmp eax, 0x500
je 0x441729
cmp eax, 0x600
je 0x441786
cmp eax, edx
jne 0x441638
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x441754
mov ecx, dword [0x456130]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x441754
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x441770
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x441770
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x441779
or dword [ebp - 0xc], edi
test al, 0x20
je 0x44178f
or dword [ebp - 0xc], 0x8000000
jmp 0x44179a
mov dword [ebp - 0x14], 5
jmp 0x441730
test al, 0x10
je 0x44179a
or dword [ebp - 0xc], 0x10000000
call fcn.00441106
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4417c0
call fcn.0042f092
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042f07f
mov dword [eax], 0x18
jmp 0x44184e
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 0x44185a
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x441826
test byte [ebp + 0x10], 1
je 0x441826
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 0x44185a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x456d00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042f0a5
pop ecx
call fcn.0042f07f
mov eax, dword [eax]
jmp 0x441ce8
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4418ab
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x456d00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042f0a5
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x44184e
call fcn.0042f07f
mov dword [eax], 0xd
jmp 0x44184e
cmp eax, 2
jne 0x4418b6
or byte [ebp - 1], 0x40
jmp 0x4418bf
cmp eax, 3
jne 0x4418bf
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00440ed5
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x456d00]
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 + 0x456d00]
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 0x441995
test cl, 0x80
je 0x441a65
test byte [ebp + 0x10], 2
je 0x441995
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043bd5f
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x441953
call fcn.0042f092
cmp dword [eax], 0x83
je 0x441995
push dword [esi]
call fcn.0043bf95
jmp 0x44184d
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0043cf36
add esp, 0xc
test eax, eax
jne 0x441985
cmp word [ebp - 0x2c], 0x1a
jne 0x441985
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00444c97
add esp, 0xc
cmp eax, edi
je 0x441947
push ebx
push ebx
push dword [esi]
call fcn.0043bd5f
add esp, 0xc
cmp eax, edi
je 0x441947
test byte [ebp - 1], 0x80
je 0x441a65
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4419bd
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4419ba
or dword [ebp + 0x10], edi
jmp 0x4419bd
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x441a0a
cmp eax, 0x10000
je 0x4419f6
cmp eax, 0x14000
je 0x4419f6
cmp eax, 0x20000
je 0x441a04
cmp eax, 0x24000
je 0x441a04
cmp eax, 0x40000
je 0x4419f0
cmp eax, 0x44000
jne 0x441a0d
mov byte [ebp - 2], 1
jmp 0x441a0d
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x441a0d
mov byte [ebp - 2], 2
jmp 0x441a0d
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x441a65
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x441a65
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x441bbf
cmp eax, 0x80000000
je 0x441b86
cmp eax, ecx
jne 0x441a65
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x441a65
cmp eax, 2
jbe 0x441c67
cmp eax, 4
jbe 0x441b58
cmp eax, 5
je 0x441c67
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x456d00]
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 + 0x456d00]
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 0x441ad7
test byte [ebp + 0x10], 8
je 0x441ad7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x456d00]
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 0x441ce6
test byte [ebp + 0x10], 1
je 0x441ce6
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 0x441ccf
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042f0a5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x456d00]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00440f52
pop ecx
jmp 0x44184d
push 2
push ebx
push ebx
push dword [esi]
call fcn.004406e2
add esp, 0x10
or eax, edx
je 0x441c67
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004406e2
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x441947
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043cf36
add esp, 0xc
cmp eax, 0xffffffff
je 0x441947
cmp eax, 2
je 0x441c0b
cmp eax, 3
jne 0x441c59
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x441c0b
mov byte [ebp - 2], 1
jmp 0x441a65
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x441a65
cmp eax, 2
jbe 0x441c67
cmp eax, 4
ja 0x441a5c
push 2
push ebx
push ebx
push dword [esi]
call fcn.004406e2
add esp, 0x10
or eax, edx
je 0x441c67
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004406e2
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x441a65
jmp 0x441947
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x441c33
push dword [esi]
call fcn.0043bf95
pop ecx
call fcn.0042f07f
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x441ce8
cmp eax, 0xfeff
jne 0x441c59
push ebx
push 2
push dword [esi]
call fcn.0043bd5f
add esp, 0xc
cmp eax, 0xffffffff
je 0x441947
mov byte [ebp - 2], 2
jmp 0x441a65
push ebx
push ebx
push dword [esi]
call fcn.0043bd5f
add esp, 0xc
jmp 0x441bfd
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x441c87
dec eax
jne 0x441a65
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x441c95
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.0043b850
add esp, 0xc
cmp eax, 0xffffffff
je 0x441cbb
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x441c95
jmp 0x441a65
push dword [esi]
call fcn.0043bf95
pop ecx
call fcn.0042f07f
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x441ce8
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x456d00]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret