Function at 0x4b61fc
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 0x4b622b
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4b6235
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004b865f
test eax, eax
pop ecx
je 0x4b6250
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0049841b
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004a8cf4
test eax, eax
pop ecx
je 0x4b626b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0049841b
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4b6288
test ecx, 0x74000
jne 0x4b6284
cmp dword [ebp - 0x24], eax
je 0x4b6288
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x4b62e2
dec eax
je 0x4b62cc
dec eax
je 0x4b62c7
call fcn.0049d031
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049d01e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00498517
add esp, 0x14
jmp 0x4b6894
mov dword [ebp - 8], edx
jmp 0x4b62e5
test cl, 8
je 0x4b62d9
test ecx, 0x70000
jne 0x4b62c7
mov dword [ebp - 8], 0x40000000
jmp 0x4b62e5
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4b6326
sub eax, ecx
je 0x4b631d
sub eax, ecx
je 0x4b6314
sub eax, ecx
je 0x4b630b
sub eax, 0x40
jne 0x4b62a1
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4b6329
mov dword [ebp - 0x10], 3
jmp 0x4b6329
mov dword [ebp - 0x10], 2
jmp 0x4b6329
mov dword [ebp - 0x10], 1
jmp 0x4b6329
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 0x4b637c
je 0x4b6373
cmp eax, ebx
je 0x4b6373
cmp eax, edi
je 0x4b636a
cmp eax, 0x200
je 0x4b63ef
cmp eax, 0x300
jne 0x4b62a1
mov dword [ebp - 0x14], 2
jmp 0x4b6399
mov dword [ebp - 0x14], 4
jmp 0x4b6399
mov dword [ebp - 0x14], 3
jmp 0x4b6399
cmp eax, 0x500
je 0x4b6392
cmp eax, 0x600
je 0x4b63ef
cmp eax, edx
jne 0x4b62a1
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4b63bd
mov ecx, dword [0x528e58]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4b63bd
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4b63d9
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4b63d9
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4b63e2
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4b63f8
or dword [ebp - 0xc], 0x8000000
jmp 0x4b6403
mov dword [ebp - 0x14], 5
jmp 0x4b6399
test al, 0x10
je 0x4b6403
or dword [ebp - 0xc], 0x10000000
call fcn.004b5f7c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4b6429
call fcn.0049d031
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049d01e
mov dword [eax], 0x18
jmp 0x4b64b7
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 0x4b64c3
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4b648f
test byte [ebp + 0x10], 1
je 0x4b648f
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 0x4b64c3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x52b220]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0049d044
pop ecx
call fcn.0049d01e
mov eax, dword [eax]
jmp 0x4b6950
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x4b6514
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x52b220]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.0049d044
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x4b64b7
call fcn.0049d01e
mov dword [eax], 0xd
jmp 0x4b64b7
cmp eax, 2
jne 0x4b651f
or byte [ebp - 1], 0x40
jmp 0x4b6528
cmp eax, 3
jne 0x4b6528
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004b5d4b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x52b220]
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 + 0x52b220]
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 0x4b65fd
test cl, 0x80
je 0x4b66cd
test byte [ebp + 0x10], 2
je 0x4b65fd
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004ae465
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4b65bc
call fcn.0049d031
cmp dword [eax], 0x83
je 0x4b65fd
push dword [esi]
call fcn.004adebe
jmp 0x4b64b6
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004ad7d3
add esp, 0xc
test eax, eax
jne 0x4b65ed
cmp byte [ebp - 4], 0x1a
jne 0x4b65ed
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004b83ef
add esp, 0xc
cmp eax, edi
je 0x4b65b0
push ebx
push ebx
push dword [esi]
call fcn.004ae465
add esp, 0xc
cmp eax, edi
je 0x4b65b0
test byte [ebp - 1], 0x80
je 0x4b66cd
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4b6625
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4b6622
or dword [ebp + 0x10], edi
jmp 0x4b6625
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4b6672
cmp eax, 0x10000
je 0x4b665e
cmp eax, 0x14000
je 0x4b665e
cmp eax, 0x20000
je 0x4b666c
cmp eax, 0x24000
je 0x4b666c
cmp eax, 0x40000
je 0x4b6658
cmp eax, 0x44000
jne 0x4b6675
mov byte [ebp - 2], 1
jmp 0x4b6675
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4b6675
mov byte [ebp - 2], 2
jmp 0x4b6675
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4b66cd
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4b66cd
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4b6827
cmp eax, 0x80000000
je 0x4b67ee
cmp eax, ecx
jne 0x4b66cd
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4b66cd
cmp eax, 2
jbe 0x4b68cf
cmp eax, 4
jbe 0x4b67c0
cmp eax, 5
je 0x4b68cf
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x52b220]
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 + 0x52b220]
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 0x4b673f
test byte [ebp + 0x10], 8
je 0x4b673f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x52b220]
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 0x4b694e
test byte [ebp + 0x10], 1
je 0x4b694e
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 0x4b6937
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0049d044
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x52b220]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004b5dc8
pop ecx
jmp 0x4b64b6
push 2
push ebx
push ebx
push dword [esi]
call fcn.004b2be7
add esp, 0x10
or eax, edx
je 0x4b68cf
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004b2be7
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4b65b0
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004ad7d3
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b65b0
cmp eax, 2
je 0x4b6873
cmp eax, 3
jne 0x4b68c1
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4b6873
mov byte [ebp - 2], 1
jmp 0x4b66cd
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4b66cd
cmp eax, 2
jbe 0x4b68cf
cmp eax, 4
ja 0x4b66c4
push 2
push ebx
push ebx
push dword [esi]
call fcn.004b2be7
add esp, 0x10
or eax, edx
je 0x4b68cf
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004b2be7
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4b66cd
jmp 0x4b65b0
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4b689b
push dword [esi]
call fcn.004adebe
pop ecx
call fcn.0049d01e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4b6950
cmp eax, 0xfeff
jne 0x4b68c1
push ebx
push 2
push dword [esi]
call fcn.004ae465
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b65b0
mov byte [ebp - 2], 2
jmp 0x4b66cd
push ebx
push ebx
push dword [esi]
call fcn.004ae465
add esp, 0xc
jmp 0x4b6865
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4b68ef
dec eax
jne 0x4b66cd
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4b68fd
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.004b104a
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b6923
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4b68fd
jmp 0x4b66cd
push dword [esi]
call fcn.004adebe
pop ecx
call fcn.0049d01e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4b6950
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x52b220]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret