Function at 0x4a971c
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 0x4a974b
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a9755
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004abb7f
test eax, eax
pop ecx
je 0x4a9770
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048c0b4
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00498e58
test eax, eax
pop ecx
je 0x4a978b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048c0b4
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a97a8
test ecx, 0x74000
jne 0x4a97a4
cmp dword [ebp - 0x24], eax
je 0x4a97a8
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a9802
dec eax
je 0x4a97ec
dec eax
je 0x4a97e7
call fcn.0049029e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049028b
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048c1b0
add esp, 0x14
jmp 0x4a9db4
mov dword [ebp - 8], edx
jmp 0x4a9805
test cl, 8
je 0x4a97f9
test ecx, 0x70000
jne 0x4a97e7
mov dword [ebp - 8], 0x40000000
jmp 0x4a9805
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a9846
sub eax, ecx
je 0x4a983d
sub eax, ecx
je 0x4a9834
sub eax, ecx
je 0x4a982b
sub eax, 0x40
jne 0x4a97c1
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a9849
mov dword [ebp - 0x10], 3
jmp 0x4a9849
mov dword [ebp - 0x10], 2
jmp 0x4a9849
mov dword [ebp - 0x10], 1
jmp 0x4a9849
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 0x4a989c
je 0x4a9893
cmp eax, ebx
je 0x4a9893
cmp eax, edi
je 0x4a988a
cmp eax, 0x200
je 0x4a990f
cmp eax, 0x300
jne 0x4a97c1
mov dword [ebp - 0x14], 2
jmp 0x4a98b9
mov dword [ebp - 0x14], 4
jmp 0x4a98b9
mov dword [ebp - 0x14], 3
jmp 0x4a98b9
cmp eax, 0x500
je 0x4a98b2
cmp eax, 0x600
je 0x4a990f
cmp eax, edx
jne 0x4a97c1
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a98dd
mov ecx, dword [0x4dfc00]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a98dd
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a98f9
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a98f9
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a9902
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a9918
or dword [ebp - 0xc], 0x8000000
jmp 0x4a9923
mov dword [ebp - 0x14], 5
jmp 0x4a98b9
test al, 0x10
je 0x4a9923
or dword [ebp - 0xc], 0x10000000
call fcn.004a949c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a9949
call fcn.0049029e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049028b
mov dword [eax], 0x18
jmp 0x4a99d7
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 0x4a99e3
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a99af
test byte [ebp + 0x10], 1
je 0x4a99af
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 0x4a99e3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4e1220]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.004902b1
pop ecx
call fcn.0049028b
mov eax, dword [eax]
jmp 0x4a9e70
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x4a9a34
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4e1220]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.004902b1
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x4a99d7
call fcn.0049028b
mov dword [eax], 0xd
jmp 0x4a99d7
cmp eax, 2
jne 0x4a9a3f
or byte [ebp - 1], 0x40
jmp 0x4a9a48
cmp eax, 3
jne 0x4a9a48
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004a926b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4e1220]
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 + 0x4e1220]
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 0x4a9b1d
test cl, 0x80
je 0x4a9bed
test byte [ebp + 0x10], 2
je 0x4a9b1d
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004a1a02
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a9adc
call fcn.0049029e
cmp dword [eax], 0x83
je 0x4a9b1d
push dword [esi]
call fcn.004a14ae
jmp 0x4a99d6
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004a0dc3
add esp, 0xc
test eax, eax
jne 0x4a9b0d
cmp byte [ebp - 4], 0x1a
jne 0x4a9b0d
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004ab90f
add esp, 0xc
cmp eax, edi
je 0x4a9ad0
push ebx
push ebx
push dword [esi]
call fcn.004a1a02
add esp, 0xc
cmp eax, edi
je 0x4a9ad0
test byte [ebp - 1], 0x80
je 0x4a9bed
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a9b45
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a9b42
or dword [ebp + 0x10], edi
jmp 0x4a9b45
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a9b92
cmp eax, 0x10000
je 0x4a9b7e
cmp eax, 0x14000
je 0x4a9b7e
cmp eax, 0x20000
je 0x4a9b8c
cmp eax, 0x24000
je 0x4a9b8c
cmp eax, 0x40000
je 0x4a9b78
cmp eax, 0x44000
jne 0x4a9b95
mov byte [ebp - 2], 1
jmp 0x4a9b95
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a9b95
mov byte [ebp - 2], 2
jmp 0x4a9b95
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a9bed
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a9bed
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a9d47
cmp eax, 0x80000000
je 0x4a9d0e
cmp eax, ecx
jne 0x4a9bed
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a9bed
cmp eax, 2
jbe 0x4a9def
cmp eax, 4
jbe 0x4a9ce0
cmp eax, 5
je 0x4a9def
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e1220]
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 + 0x4e1220]
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 0x4a9c5f
test byte [ebp + 0x10], 8
je 0x4a9c5f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e1220]
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 0x4a9e6e
test byte [ebp + 0x10], 1
je 0x4a9e6e
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 0x4a9e57
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.004902b1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e1220]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004a92e8
pop ecx
jmp 0x4a99d6
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a6187
add esp, 0x10
or eax, edx
je 0x4a9def
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a6187
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a9ad0
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004a0dc3
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a9ad0
cmp eax, 2
je 0x4a9d93
cmp eax, 3
jne 0x4a9de1
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a9d93
mov byte [ebp - 2], 1
jmp 0x4a9bed
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a9bed
cmp eax, 2
jbe 0x4a9def
cmp eax, 4
ja 0x4a9be4
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a6187
add esp, 0x10
or eax, edx
je 0x4a9def
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a6187
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a9bed
jmp 0x4a9ad0
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a9dbb
push dword [esi]
call fcn.004a14ae
pop ecx
call fcn.0049028b
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a9e70
cmp eax, 0xfeff
jne 0x4a9de1
push ebx
push 2
push dword [esi]
call fcn.004a1a02
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a9ad0
mov byte [ebp - 2], 2
jmp 0x4a9bed
push ebx
push ebx
push dword [esi]
call fcn.004a1a02
add esp, 0xc
jmp 0x4a9d85
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a9e0f
dec eax
jne 0x4a9bed
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a9e1d
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.004a45e7
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a9e43
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a9e1d
jmp 0x4a9bed
push dword [esi]
call fcn.004a14ae
pop ecx
call fcn.0049028b
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a9e70
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e1220]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret