Function at 0x4a5457
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x4a5486
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a5490
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049f0e1
test eax, eax
pop ecx
je 0x4a54ab
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048c13e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00491d32
test eax, eax
pop ecx
je 0x4a54c6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048c13e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a54e3
test ecx, 0x74000
jne 0x4a54df
cmp dword [ebp - 0x24], eax
je 0x4a54e3
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a553d
dec eax
je 0x4a5527
dec eax
je 0x4a5522
call fcn.00493223
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00493210
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048c23a
add esp, 0x14
jmp 0x4a5af0
mov dword [ebp - 8], edx
jmp 0x4a5540
test cl, 8
je 0x4a5534
test ecx, 0x70000
jne 0x4a5522
mov dword [ebp - 8], 0x40000000
jmp 0x4a5540
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a5581
sub eax, ecx
je 0x4a5578
sub eax, ecx
je 0x4a556f
sub eax, ecx
je 0x4a5566
sub eax, 0x40
jne 0x4a54fc
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a5584
mov dword [ebp - 0x10], 3
jmp 0x4a5584
mov dword [ebp - 0x10], 2
jmp 0x4a5584
mov dword [ebp - 0x10], 1
jmp 0x4a5584
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 0x4a55d7
je 0x4a55ce
cmp eax, ebx
je 0x4a55ce
cmp eax, edi
je 0x4a55c5
cmp eax, 0x200
je 0x4a564a
cmp eax, 0x300
jne 0x4a54fc
mov dword [ebp - 0x14], 2
jmp 0x4a55f4
mov dword [ebp - 0x14], 4
jmp 0x4a55f4
mov dword [ebp - 0x14], 3
jmp 0x4a55f4
cmp eax, 0x500
je 0x4a55ed
cmp eax, 0x600
je 0x4a564a
cmp eax, edx
jne 0x4a54fc
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a5618
mov ecx, dword [0x4dc0d4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a5618
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a5634
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a5634
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a563d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a5653
or dword [ebp - 0xc], 0x8000000
jmp 0x4a565e
mov dword [ebp - 0x14], 5
jmp 0x4a55f4
test al, 0x10
je 0x4a565e
or dword [ebp - 0xc], 0x10000000
call fcn.0048edeb
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a5684
call fcn.00493223
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00493210
mov dword [eax], 0x18
jmp 0x4a5712
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x4a571e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a56ea
test byte [ebp + 0x10], 1
je 0x4a56ea
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x4a571e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dd340]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493236
pop ecx
call fcn.00493210
mov eax, dword [eax]
jmp 0x4a5bac
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a576f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dd340]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00493236
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a5712
call fcn.00493210
mov dword [eax], 0xd
jmp 0x4a5712
cmp eax, 2
jne 0x4a577a
or byte [ebp - 1], 0x40
jmp 0x4a5783
cmp eax, 3
jne 0x4a5783
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048ebba
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4dd340]
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 + 0x4dd340]
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 0x4a5859
test cl, 0x80
je 0x4a5929
test byte [ebp + 0x10], 2
je 0x4a5859
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004988d8
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a5817
call fcn.00493223
cmp dword [eax], 0x83
je 0x4a5859
push dword [esi]
call fcn.004984b7
jmp 0x4a5711
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004998a1
add esp, 0xc
test eax, eax
jne 0x4a5849
cmp word [ebp - 0x2c], 0x1a
jne 0x4a5849
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048e66e
add esp, 0xc
cmp eax, edi
je 0x4a580b
push ebx
push ebx
push dword [esi]
call fcn.004988d8
add esp, 0xc
cmp eax, edi
je 0x4a580b
test byte [ebp - 1], 0x80
je 0x4a5929
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a5881
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a587e
or dword [ebp + 0x10], edi
jmp 0x4a5881
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a58ce
cmp eax, 0x10000
je 0x4a58ba
cmp eax, 0x14000
je 0x4a58ba
cmp eax, 0x20000
je 0x4a58c8
cmp eax, 0x24000
je 0x4a58c8
cmp eax, 0x40000
je 0x4a58b4
cmp eax, 0x44000
jne 0x4a58d1
mov byte [ebp - 2], 1
jmp 0x4a58d1
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a58d1
mov byte [ebp - 2], 2
jmp 0x4a58d1
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a5929
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a5929
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a5a83
cmp eax, 0x80000000
je 0x4a5a4a
cmp eax, ecx
jne 0x4a5929
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a5929
cmp eax, 2
jbe 0x4a5b2b
cmp eax, 4
jbe 0x4a5a1c
cmp eax, 5
je 0x4a5b2b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd340]
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 + 0x4dd340]
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 0x4a599b
test byte [ebp + 0x10], 8
je 0x4a599b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd340]
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 0x4a5baa
test byte [ebp + 0x10], 1
je 0x4a5baa
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x4a5b93
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493236
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd340]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048ec37
pop ecx
jmp 0x4a5711
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049f115
add esp, 0x10
or eax, edx
je 0x4a5b2b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049f115
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a580b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004998a1
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a580b
cmp eax, 2
je 0x4a5acf
cmp eax, 3
jne 0x4a5b1d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a5acf
mov byte [ebp - 2], 1
jmp 0x4a5929
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a5929
cmp eax, 2
jbe 0x4a5b2b
cmp eax, 4
ja 0x4a5920
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049f115
add esp, 0x10
or eax, edx
je 0x4a5b2b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049f115
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a5929
jmp 0x4a580b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a5af7
push dword [esi]
call fcn.004984b7
pop ecx
call fcn.00493210
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a5bac
cmp eax, 0xfeff
jne 0x4a5b1d
push ebx
push 2
push dword [esi]
call fcn.004988d8
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a580b
mov byte [ebp - 2], 2
jmp 0x4a5929
push ebx
push ebx
push dword [esi]
call fcn.004988d8
add esp, 0xc
jmp 0x4a5ac1
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a5b4b
dec eax
jne 0x4a5929
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a5b59
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.0049ee68
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a5b7f
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a5b59
jmp 0x4a5929
push dword [esi]
call fcn.004984b7
pop ecx
call fcn.00493210
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a5bac
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd340]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret