Function at 0x4a36cb
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 0x4a36fa
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a3704
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049de51
test eax, eax
pop ecx
je 0x4a371f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048aeae
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00490aa2
test eax, eax
pop ecx
je 0x4a373a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048aeae
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a3757
test ecx, 0x74000
jne 0x4a3753
cmp dword [ebp - 0x24], eax
je 0x4a3757
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a37b1
dec eax
je 0x4a379b
dec eax
je 0x4a3796
call fcn.00491f93
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00491f80
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048afaa
add esp, 0x14
jmp 0x4a3d63
mov dword [ebp - 8], edx
jmp 0x4a37b4
test cl, 8
je 0x4a37a8
test ecx, 0x70000
jne 0x4a3796
mov dword [ebp - 8], 0x40000000
jmp 0x4a37b4
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a37f5
sub eax, ecx
je 0x4a37ec
sub eax, ecx
je 0x4a37e3
sub eax, ecx
je 0x4a37da
sub eax, 0x40
jne 0x4a3770
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a37f8
mov dword [ebp - 0x10], 3
jmp 0x4a37f8
mov dword [ebp - 0x10], 2
jmp 0x4a37f8
mov dword [ebp - 0x10], 1
jmp 0x4a37f8
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 0x4a384b
je 0x4a3842
cmp eax, ebx
je 0x4a3842
cmp eax, edi
je 0x4a3839
cmp eax, 0x200
je 0x4a38be
cmp eax, 0x300
jne 0x4a3770
mov dword [ebp - 0x14], 2
jmp 0x4a3868
mov dword [ebp - 0x14], 4
jmp 0x4a3868
mov dword [ebp - 0x14], 3
jmp 0x4a3868
cmp eax, 0x500
je 0x4a3861
cmp eax, 0x600
je 0x4a38be
cmp eax, edx
jne 0x4a3770
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a388c
mov ecx, dword [0x4db074]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a388c
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a38a8
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a38a8
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a38b1
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a38c7
or dword [ebp - 0xc], 0x8000000
jmp 0x4a38d2
mov dword [ebp - 0x14], 5
jmp 0x4a3868
test al, 0x10
je 0x4a38d2
or dword [ebp - 0xc], 0x10000000
call fcn.0048dbab
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a38f8
call fcn.00491f93
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00491f80
mov dword [eax], 0x18
jmp 0x4a3986
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 0x4a3992
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a395e
test byte [ebp + 0x10], 1
je 0x4a395e
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 0x4a3992
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dc2e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00491fa6
pop ecx
call fcn.00491f80
mov eax, dword [eax]
jmp 0x4a3e1f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a39e3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dc2e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00491fa6
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a3986
call fcn.00491f80
mov dword [eax], 0xd
jmp 0x4a3986
cmp eax, 2
jne 0x4a39ee
or byte [ebp - 1], 0x40
jmp 0x4a39f7
cmp eax, 3
jne 0x4a39f7
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048d97a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4dc2e0]
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 + 0x4dc2e0]
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 0x4a3acc
test cl, 0x80
je 0x4a3b9c
test byte [ebp + 0x10], 2
je 0x4a3acc
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00497648
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a3a8b
call fcn.00491f93
cmp dword [eax], 0x83
je 0x4a3acc
push dword [esi]
call fcn.00497227
jmp 0x4a3985
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00498611
add esp, 0xc
test eax, eax
jne 0x4a3abc
cmp byte [ebp - 4], 0x1a
jne 0x4a3abc
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048d42e
add esp, 0xc
cmp eax, edi
je 0x4a3a7f
push ebx
push ebx
push dword [esi]
call fcn.00497648
add esp, 0xc
cmp eax, edi
je 0x4a3a7f
test byte [ebp - 1], 0x80
je 0x4a3b9c
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a3af4
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a3af1
or dword [ebp + 0x10], edi
jmp 0x4a3af4
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a3b41
cmp eax, 0x10000
je 0x4a3b2d
cmp eax, 0x14000
je 0x4a3b2d
cmp eax, 0x20000
je 0x4a3b3b
cmp eax, 0x24000
je 0x4a3b3b
cmp eax, 0x40000
je 0x4a3b27
cmp eax, 0x44000
jne 0x4a3b44
mov byte [ebp - 2], 1
jmp 0x4a3b44
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a3b44
mov byte [ebp - 2], 2
jmp 0x4a3b44
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a3b9c
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a3b9c
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a3cf6
cmp eax, 0x80000000
je 0x4a3cbd
cmp eax, ecx
jne 0x4a3b9c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a3b9c
cmp eax, 2
jbe 0x4a3d9e
cmp eax, 4
jbe 0x4a3c8f
cmp eax, 5
je 0x4a3d9e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dc2e0]
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 + 0x4dc2e0]
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 0x4a3c0e
test byte [ebp + 0x10], 8
je 0x4a3c0e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dc2e0]
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 0x4a3e1d
test byte [ebp + 0x10], 1
je 0x4a3e1d
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 0x4a3e06
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00491fa6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dc2e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048d9f7
pop ecx
jmp 0x4a3985
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049de85
add esp, 0x10
or eax, edx
je 0x4a3d9e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049de85
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a3a7f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00498611
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a3a7f
cmp eax, 2
je 0x4a3d42
cmp eax, 3
jne 0x4a3d90
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a3d42
mov byte [ebp - 2], 1
jmp 0x4a3b9c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a3b9c
cmp eax, 2
jbe 0x4a3d9e
cmp eax, 4
ja 0x4a3b93
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049de85
add esp, 0x10
or eax, edx
je 0x4a3d9e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049de85
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a3b9c
jmp 0x4a3a7f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a3d6a
push dword [esi]
call fcn.00497227
pop ecx
call fcn.00491f80
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a3e1f
cmp eax, 0xfeff
jne 0x4a3d90
push ebx
push 2
push dword [esi]
call fcn.00497648
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a3a7f
mov byte [ebp - 2], 2
jmp 0x4a3b9c
push ebx
push ebx
push dword [esi]
call fcn.00497648
add esp, 0xc
jmp 0x4a3d34
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a3dbe
dec eax
jne 0x4a3b9c
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a3dcc
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.0049dbd8
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a3df2
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a3dcc
jmp 0x4a3b9c
push dword [esi]
call fcn.00497227
pop ecx
call fcn.00491f80
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a3e1f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dc2e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret