Function at 0x5052eb
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 0x50531a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x505324
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004f44e1
test eax, eax
pop ecx
je 0x50533f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ebf6e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004f1da0
test eax, eax
pop ecx
je 0x50535a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ebf6e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x505377
test ecx, 0x74000
jne 0x505373
cmp dword [ebp - 0x24], eax
je 0x505377
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x5053d1
dec eax
je 0x5053bb
dec eax
je 0x5053b6
call fcn.004f33c3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004f33b0
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004ec06a
add esp, 0x14
jmp 0x505983
mov dword [ebp - 8], edx
jmp 0x5053d4
test cl, 8
je 0x5053c8
test ecx, 0x70000
jne 0x5053b6
mov dword [ebp - 8], 0x40000000
jmp 0x5053d4
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x505415
sub eax, ecx
je 0x50540c
sub eax, ecx
je 0x505403
sub eax, ecx
je 0x5053fa
sub eax, 0x40
jne 0x505390
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x505418
mov dword [ebp - 0x10], 3
jmp 0x505418
mov dword [ebp - 0x10], 2
jmp 0x505418
mov dword [ebp - 0x10], 1
jmp 0x505418
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 0x50546b
je 0x505462
cmp eax, ebx
je 0x505462
cmp eax, edi
je 0x505459
cmp eax, 0x200
je 0x5054de
cmp eax, 0x300
jne 0x505390
mov dword [ebp - 0x14], 2
jmp 0x505488
mov dword [ebp - 0x14], 4
jmp 0x505488
mov dword [ebp - 0x14], 3
jmp 0x505488
cmp eax, 0x500
je 0x505481
cmp eax, 0x600
je 0x5054de
cmp eax, edx
jne 0x505390
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5054ac
mov ecx, dword [0x559b74]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5054ac
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x5054c8
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x5054c8
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x5054d1
or dword [ebp - 0xc], edi
test al, 0x20
je 0x5054e7
or dword [ebp - 0xc], 0x8000000
jmp 0x5054f2
mov dword [ebp - 0x14], 5
jmp 0x505488
test al, 0x10
je 0x5054f2
or dword [ebp - 0xc], 0x10000000
call fcn.004ef2bb
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x505518
call fcn.004f33c3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004f33b0
mov dword [eax], 0x18
jmp 0x5055a6
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 0x5055b2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x50557e
test byte [ebp + 0x10], 1
je 0x50557e
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 0x5055b2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x55aec0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004f33d6
pop ecx
call fcn.004f33b0
mov eax, dword [eax]
jmp 0x505a3f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x505603
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x55aec0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004f33d6
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x5055a6
call fcn.004f33b0
mov dword [eax], 0xd
jmp 0x5055a6
cmp eax, 2
jne 0x50560e
or byte [ebp - 1], 0x40
jmp 0x505617
cmp eax, 3
jne 0x505617
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004ef08a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x55aec0]
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 + 0x55aec0]
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 0x5056ec
test cl, 0x80
je 0x5057bc
test byte [ebp + 0x10], 2
je 0x5056ec
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004f986c
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5056ab
call fcn.004f33c3
cmp dword [eax], 0x83
je 0x5056ec
push dword [esi]
call fcn.004f944b
jmp 0x5055a5
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004fa835
add esp, 0xc
test eax, eax
jne 0x5056dc
cmp byte [ebp - 4], 0x1a
jne 0x5056dc
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004eeed6
add esp, 0xc
cmp eax, edi
je 0x50569f
push ebx
push ebx
push dword [esi]
call fcn.004f986c
add esp, 0xc
cmp eax, edi
je 0x50569f
test byte [ebp - 1], 0x80
je 0x5057bc
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x505714
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x505711
or dword [ebp + 0x10], edi
jmp 0x505714
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x505761
cmp eax, 0x10000
je 0x50574d
cmp eax, 0x14000
je 0x50574d
cmp eax, 0x20000
je 0x50575b
cmp eax, 0x24000
je 0x50575b
cmp eax, 0x40000
je 0x505747
cmp eax, 0x44000
jne 0x505764
mov byte [ebp - 2], 1
jmp 0x505764
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x505764
mov byte [ebp - 2], 2
jmp 0x505764
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x5057bc
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x5057bc
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x505916
cmp eax, 0x80000000
je 0x5058dd
cmp eax, ecx
jne 0x5057bc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5057bc
cmp eax, 2
jbe 0x5059be
cmp eax, 4
jbe 0x5058af
cmp eax, 5
je 0x5059be
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55aec0]
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 + 0x55aec0]
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 0x50582e
test byte [ebp + 0x10], 8
je 0x50582e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55aec0]
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 0x505a3d
test byte [ebp + 0x10], 1
je 0x505a3d
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 0x505a26
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004f33d6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55aec0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004ef107
pop ecx
jmp 0x5055a5
push 2
push ebx
push ebx
push dword [esi]
call fcn.004ffc83
add esp, 0x10
or eax, edx
je 0x5059be
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004ffc83
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x50569f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004fa835
add esp, 0xc
cmp eax, 0xffffffff
je 0x50569f
cmp eax, 2
je 0x505962
cmp eax, 3
jne 0x5059b0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x505962
mov byte [ebp - 2], 1
jmp 0x5057bc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5057bc
cmp eax, 2
jbe 0x5059be
cmp eax, 4
ja 0x5057b3
push 2
push ebx
push ebx
push dword [esi]
call fcn.004ffc83
add esp, 0x10
or eax, edx
je 0x5059be
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004ffc83
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x5057bc
jmp 0x50569f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x50598a
push dword [esi]
call fcn.004f944b
pop ecx
call fcn.004f33b0
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x505a3f
cmp eax, 0xfeff
jne 0x5059b0
push ebx
push 2
push dword [esi]
call fcn.004f986c
add esp, 0xc
cmp eax, 0xffffffff
je 0x50569f
mov byte [ebp - 2], 2
jmp 0x5057bc
push ebx
push ebx
push dword [esi]
call fcn.004f986c
add esp, 0xc
jmp 0x505954
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x5059de
dec eax
jne 0x5057bc
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x5059ec
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.004ffa82
add esp, 0xc
cmp eax, 0xffffffff
je 0x505a12
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x5059ec
jmp 0x5057bc
push dword [esi]
call fcn.004f944b
pop ecx
call fcn.004f33b0
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x505a3f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55aec0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret