Function at 0x4a07bf
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 0x4a07ee
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a07f8
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049c2f5
test eax, eax
pop ecx
je 0x4a0813
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048a57e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048f14f
test eax, eax
pop ecx
je 0x4a082e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048a57e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a084b
test ecx, 0x74000
jne 0x4a0847
cmp dword [ebp - 0x24], eax
je 0x4a084b
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a08a5
dec eax
je 0x4a088f
dec eax
je 0x4a088a
call fcn.00490643
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00490630
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048a67a
add esp, 0x14
jmp 0x4a0e57
mov dword [ebp - 8], edx
jmp 0x4a08a8
test cl, 8
je 0x4a089c
test ecx, 0x70000
jne 0x4a088a
mov dword [ebp - 8], 0x40000000
jmp 0x4a08a8
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a08e9
sub eax, ecx
je 0x4a08e0
sub eax, ecx
je 0x4a08d7
sub eax, ecx
je 0x4a08ce
sub eax, 0x40
jne 0x4a0864
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a08ec
mov dword [ebp - 0x10], 3
jmp 0x4a08ec
mov dword [ebp - 0x10], 2
jmp 0x4a08ec
mov dword [ebp - 0x10], 1
jmp 0x4a08ec
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 0x4a093f
je 0x4a0936
cmp eax, ebx
je 0x4a0936
cmp eax, edi
je 0x4a092d
cmp eax, 0x200
je 0x4a09b2
cmp eax, 0x300
jne 0x4a0864
mov dword [ebp - 0x14], 2
jmp 0x4a095c
mov dword [ebp - 0x14], 4
jmp 0x4a095c
mov dword [ebp - 0x14], 3
jmp 0x4a095c
cmp eax, 0x500
je 0x4a0955
cmp eax, 0x600
je 0x4a09b2
cmp eax, edx
jne 0x4a0864
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a0980
mov ecx, dword [0x4d70b0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a0980
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a099c
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a099c
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a09a5
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a09bb
or dword [ebp - 0xc], 0x8000000
jmp 0x4a09c6
mov dword [ebp - 0x14], 5
jmp 0x4a095c
test al, 0x10
je 0x4a09c6
or dword [ebp - 0xc], 0x10000000
call fcn.0048d1bb
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a09ec
call fcn.00490643
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00490630
mov dword [eax], 0x18
jmp 0x4a0a7a
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 0x4a0a86
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a0a52
test byte [ebp + 0x10], 1
je 0x4a0a52
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 0x4a0a86
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d82e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00490656
pop ecx
call fcn.00490630
mov eax, dword [eax]
jmp 0x4a0f13
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a0ad7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d82e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00490656
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a0a7a
call fcn.00490630
mov dword [eax], 0xd
jmp 0x4a0a7a
cmp eax, 2
jne 0x4a0ae2
or byte [ebp - 1], 0x40
jmp 0x4a0aeb
cmp eax, 3
jne 0x4a0aeb
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048cf8a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4d82e0]
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 + 0x4d82e0]
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 0x4a0bc0
test cl, 0x80
je 0x4a0c90
test byte [ebp + 0x10], 2
je 0x4a0bc0
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00495aa0
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a0b7f
call fcn.00490643
cmp dword [eax], 0x83
je 0x4a0bc0
push dword [esi]
call fcn.0049567f
jmp 0x4a0a79
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00496a69
add esp, 0xc
test eax, eax
jne 0x4a0bb0
cmp byte [ebp - 4], 0x1a
jne 0x4a0bb0
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048cdd6
add esp, 0xc
cmp eax, edi
je 0x4a0b73
push ebx
push ebx
push dword [esi]
call fcn.00495aa0
add esp, 0xc
cmp eax, edi
je 0x4a0b73
test byte [ebp - 1], 0x80
je 0x4a0c90
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a0be8
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a0be5
or dword [ebp + 0x10], edi
jmp 0x4a0be8
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a0c35
cmp eax, 0x10000
je 0x4a0c21
cmp eax, 0x14000
je 0x4a0c21
cmp eax, 0x20000
je 0x4a0c2f
cmp eax, 0x24000
je 0x4a0c2f
cmp eax, 0x40000
je 0x4a0c1b
cmp eax, 0x44000
jne 0x4a0c38
mov byte [ebp - 2], 1
jmp 0x4a0c38
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a0c38
mov byte [ebp - 2], 2
jmp 0x4a0c38
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a0c90
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a0c90
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a0dea
cmp eax, 0x80000000
je 0x4a0db1
cmp eax, ecx
jne 0x4a0c90
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a0c90
cmp eax, 2
jbe 0x4a0e92
cmp eax, 4
jbe 0x4a0d83
cmp eax, 5
je 0x4a0e92
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d82e0]
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 + 0x4d82e0]
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 0x4a0d02
test byte [ebp + 0x10], 8
je 0x4a0d02
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d82e0]
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 0x4a0f11
test byte [ebp + 0x10], 1
je 0x4a0f11
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 0x4a0efa
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00490656
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d82e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048d007
pop ecx
jmp 0x4a0a79
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049c329
add esp, 0x10
or eax, edx
je 0x4a0e92
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049c329
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a0b73
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00496a69
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a0b73
cmp eax, 2
je 0x4a0e36
cmp eax, 3
jne 0x4a0e84
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a0e36
mov byte [ebp - 2], 1
jmp 0x4a0c90
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a0c90
cmp eax, 2
jbe 0x4a0e92
cmp eax, 4
ja 0x4a0c87
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049c329
add esp, 0x10
or eax, edx
je 0x4a0e92
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049c329
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a0c90
jmp 0x4a0b73
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a0e5e
push dword [esi]
call fcn.0049567f
pop ecx
call fcn.00490630
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a0f13
cmp eax, 0xfeff
jne 0x4a0e84
push ebx
push 2
push dword [esi]
call fcn.00495aa0
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a0b73
mov byte [ebp - 2], 2
jmp 0x4a0c90
push ebx
push ebx
push dword [esi]
call fcn.00495aa0
add esp, 0xc
jmp 0x4a0e28
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a0eb2
dec eax
jne 0x4a0c90
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a0ec0
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.0049c038
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a0ee6
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a0ec0
jmp 0x4a0c90
push dword [esi]
call fcn.0049567f
pop ecx
call fcn.00490630
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a0f13
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d82e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret