Function at 0x52b287
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 0x52b2b6
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x52b2c0
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0052e90d
test eax, eax
pop ecx
je 0x52b2db
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00510150
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00514e36
test eax, eax
pop ecx
je 0x52b2f6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00510150
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x52b313
test ecx, 0x74000
jne 0x52b30f
cmp dword [ebp - 0x24], eax
je 0x52b313
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x52b36d
dec eax
je 0x52b357
dec eax
je 0x52b352
call fcn.00512b4b
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00512b38
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0051024c
add esp, 0x14
jmp 0x52b920
mov dword [ebp - 8], edx
jmp 0x52b370
test cl, 8
je 0x52b364
test ecx, 0x70000
jne 0x52b352
mov dword [ebp - 8], 0x40000000
jmp 0x52b370
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x52b3b1
sub eax, ecx
je 0x52b3a8
sub eax, ecx
je 0x52b39f
sub eax, ecx
je 0x52b396
sub eax, 0x40
jne 0x52b32c
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x52b3b4
mov dword [ebp - 0x10], 3
jmp 0x52b3b4
mov dword [ebp - 0x10], 2
jmp 0x52b3b4
mov dword [ebp - 0x10], 1
jmp 0x52b3b4
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 0x52b407
je 0x52b3fe
cmp eax, ebx
je 0x52b3fe
cmp eax, edi
je 0x52b3f5
cmp eax, 0x200
je 0x52b47a
cmp eax, 0x300
jne 0x52b32c
mov dword [ebp - 0x14], 2
jmp 0x52b424
mov dword [ebp - 0x14], 4
jmp 0x52b424
mov dword [ebp - 0x14], 3
jmp 0x52b424
cmp eax, 0x500
je 0x52b41d
cmp eax, 0x600
je 0x52b47a
cmp eax, edx
jne 0x52b32c
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x52b448
mov ecx, dword [0x5c1168]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x52b448
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x52b464
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x52b464
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x52b46d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x52b483
or dword [ebp - 0xc], 0x8000000
jmp 0x52b48e
mov dword [ebp - 0x14], 5
jmp 0x52b424
test al, 0x10
je 0x52b48e
or dword [ebp - 0xc], 0x10000000
call fcn.00519389
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x52b4b4
call fcn.00512b4b
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00512b38
mov dword [eax], 0x18
jmp 0x52b542
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 0x52b54e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x52b51a
test byte [ebp + 0x10], 1
je 0x52b51a
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 0x52b54e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5c53a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00512b5e
pop ecx
call fcn.00512b38
mov eax, dword [eax]
jmp 0x52b9dc
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x52b59f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5c53a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00512b5e
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x52b542
call fcn.00512b38
mov dword [eax], 0xd
jmp 0x52b542
cmp eax, 2
jne 0x52b5aa
or byte [ebp - 1], 0x40
jmp 0x52b5b3
cmp eax, 3
jne 0x52b5b3
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00519158
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5c53a0]
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 + 0x5c53a0]
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 0x52b689
test cl, 0x80
je 0x52b759
test byte [ebp + 0x10], 2
je 0x52b689
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0051edb3
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x52b647
call fcn.00512b4b
cmp dword [eax], 0x83
je 0x52b689
push dword [esi]
call fcn.0051f146
jmp 0x52b541
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00520184
add esp, 0xc
test eax, eax
jne 0x52b679
cmp word [ebp - 0x2c], 0x1a
jne 0x52b679
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0052e69d
add esp, 0xc
cmp eax, edi
je 0x52b63b
push ebx
push ebx
push dword [esi]
call fcn.0051edb3
add esp, 0xc
cmp eax, edi
je 0x52b63b
test byte [ebp - 1], 0x80
je 0x52b759
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x52b6b1
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x52b6ae
or dword [ebp + 0x10], edi
jmp 0x52b6b1
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x52b6fe
cmp eax, 0x10000
je 0x52b6ea
cmp eax, 0x14000
je 0x52b6ea
cmp eax, 0x20000
je 0x52b6f8
cmp eax, 0x24000
je 0x52b6f8
cmp eax, 0x40000
je 0x52b6e4
cmp eax, 0x44000
jne 0x52b701
mov byte [ebp - 2], 1
jmp 0x52b701
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x52b701
mov byte [ebp - 2], 2
jmp 0x52b701
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x52b759
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x52b759
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x52b8b3
cmp eax, 0x80000000
je 0x52b87a
cmp eax, ecx
jne 0x52b759
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x52b759
cmp eax, 2
jbe 0x52b95b
cmp eax, 4
jbe 0x52b84c
cmp eax, 5
je 0x52b95b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5c53a0]
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 + 0x5c53a0]
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 0x52b7cb
test byte [ebp + 0x10], 8
je 0x52b7cb
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5c53a0]
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 0x52b9da
test byte [ebp + 0x10], 1
je 0x52b9da
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 0x52b9c3
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00512b5e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5c53a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005191d5
pop ecx
jmp 0x52b541
push 2
push ebx
push ebx
push dword [esi]
call fcn.00529cd1
add esp, 0x10
or eax, edx
je 0x52b95b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00529cd1
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x52b63b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00520184
add esp, 0xc
cmp eax, 0xffffffff
je 0x52b63b
cmp eax, 2
je 0x52b8ff
cmp eax, 3
jne 0x52b94d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x52b8ff
mov byte [ebp - 2], 1
jmp 0x52b759
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x52b759
cmp eax, 2
jbe 0x52b95b
cmp eax, 4
ja 0x52b750
push 2
push ebx
push ebx
push dword [esi]
call fcn.00529cd1
add esp, 0x10
or eax, edx
je 0x52b95b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00529cd1
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x52b759
jmp 0x52b63b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x52b927
push dword [esi]
call fcn.0051f146
pop ecx
call fcn.00512b38
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x52b9dc
cmp eax, 0xfeff
jne 0x52b94d
push ebx
push 2
push dword [esi]
call fcn.0051edb3
add esp, 0xc
cmp eax, 0xffffffff
je 0x52b63b
mov byte [ebp - 2], 2
jmp 0x52b759
push ebx
push ebx
push dword [esi]
call fcn.0051edb3
add esp, 0xc
jmp 0x52b8f1
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x52b97b
dec eax
jne 0x52b759
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x52b989
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.0051e810
add esp, 0xc
cmp eax, 0xffffffff
je 0x52b9af
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x52b989
jmp 0x52b759
push dword [esi]
call fcn.0051f146
pop ecx
call fcn.00512b38
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x52b9dc
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5c53a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret