Function at 0x4aece3
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 0x4aed12
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4aed1c
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004aa63a
test eax, eax
pop ecx
je 0x4aed37
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0049489c
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004994b4
test eax, eax
pop ecx
je 0x4aed52
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0049489c
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4aed6f
test ecx, 0x74000
jne 0x4aed6b
cmp dword [ebp - 0x24], eax
je 0x4aed6f
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4aedc9
dec eax
je 0x4aedb3
dec eax
je 0x4aedae
call fcn.0049e819
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049e806
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00494998
add esp, 0x14
jmp 0x4af37c
mov dword [ebp - 8], edx
jmp 0x4aedcc
test cl, 8
je 0x4aedc0
test ecx, 0x70000
jne 0x4aedae
mov dword [ebp - 8], 0x40000000
jmp 0x4aedcc
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4aee0d
sub eax, ecx
je 0x4aee04
sub eax, ecx
je 0x4aedfb
sub eax, ecx
je 0x4aedf2
sub eax, 0x40
jne 0x4aed88
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4aee10
mov dword [ebp - 0x10], 3
jmp 0x4aee10
mov dword [ebp - 0x10], 2
jmp 0x4aee10
mov dword [ebp - 0x10], 1
jmp 0x4aee10
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x4aee63
je 0x4aee5a
cmp eax, ebx
je 0x4aee5a
cmp eax, edi
je 0x4aee51
cmp eax, 0x200
je 0x4aeed6
cmp eax, 0x300
jne 0x4aed88
mov dword [ebp - 0x14], 2
jmp 0x4aee80
mov dword [ebp - 0x14], 4
jmp 0x4aee80
mov dword [ebp - 0x14], 3
jmp 0x4aee80
cmp eax, 0x500
je 0x4aee79
cmp eax, 0x600
je 0x4aeed6
cmp eax, edx
jne 0x4aed88
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4aeea4
mov ecx, dword [0x51e720]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4aeea4
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4aeec0
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4aeec0
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4aeec9
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4aeedf
or dword [ebp - 0xc], 0x8000000
jmp 0x4aeeea
mov dword [ebp - 0x14], 5
jmp 0x4aee80
test al, 0x10
je 0x4aeeea
or dword [ebp - 0xc], 0x10000000
call fcn.0049a401
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4aef10
call fcn.0049e819
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0049e806
mov dword [eax], 0x18
jmp 0x4aef9e
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 0x4aefaa
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4aef76
test byte [ebp + 0x10], 1
je 0x4aef76
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 0x4aefaa
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5204a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0049e82c
pop ecx
call fcn.0049e806
mov eax, dword [eax]
jmp 0x4af438
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x4aeffb
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5204a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.0049e82c
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x4aef9e
call fcn.0049e806
mov dword [eax], 0xd
jmp 0x4aef9e
cmp eax, 2
jne 0x4af006
or byte [ebp - 1], 0x40
jmp 0x4af00f
cmp eax, 3
jne 0x4af00f
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0049a1d0
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5204a0]
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 + 0x5204a0]
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 0x4af0e5
test cl, 0x80
je 0x4af1b5
test byte [ebp + 0x10], 2
je 0x4af0e5
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004a1055
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4af0a3
call fcn.0049e819
cmp dword [eax], 0x83
je 0x4af0e5
push dword [esi]
call fcn.004a05db
jmp 0x4aef9d
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004a225e
add esp, 0xc
test eax, eax
jne 0x4af0d5
cmp word [ebp - 0x2c], 0x1a
jne 0x4af0d5
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00499cd9
add esp, 0xc
cmp eax, edi
je 0x4af097
push ebx
push ebx
push dword [esi]
call fcn.004a1055
add esp, 0xc
cmp eax, edi
je 0x4af097
test byte [ebp - 1], 0x80
je 0x4af1b5
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4af10d
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4af10a
or dword [ebp + 0x10], edi
jmp 0x4af10d
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4af15a
cmp eax, 0x10000
je 0x4af146
cmp eax, 0x14000
je 0x4af146
cmp eax, 0x20000
je 0x4af154
cmp eax, 0x24000
je 0x4af154
cmp eax, 0x40000
je 0x4af140
cmp eax, 0x44000
jne 0x4af15d
mov byte [ebp - 2], 1
jmp 0x4af15d
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4af15d
mov byte [ebp - 2], 2
jmp 0x4af15d
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4af1b5
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4af1b5
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4af30f
cmp eax, 0x80000000
je 0x4af2d6
cmp eax, ecx
jne 0x4af1b5
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4af1b5
cmp eax, 2
jbe 0x4af3b7
cmp eax, 4
jbe 0x4af2a8
cmp eax, 5
je 0x4af3b7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5204a0]
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 + 0x5204a0]
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 0x4af227
test byte [ebp + 0x10], 8
je 0x4af227
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5204a0]
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 0x4af436
test byte [ebp + 0x10], 1
je 0x4af436
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 0x4af41f
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0049e82c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5204a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0049a24d
pop ecx
jmp 0x4aef9d
push 2
push ebx
push ebx
push dword [esi]
call fcn.004aa66e
add esp, 0x10
or eax, edx
je 0x4af3b7
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004aa66e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4af097
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004a225e
add esp, 0xc
cmp eax, 0xffffffff
je 0x4af097
cmp eax, 2
je 0x4af35b
cmp eax, 3
jne 0x4af3a9
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4af35b
mov byte [ebp - 2], 1
jmp 0x4af1b5
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4af1b5
cmp eax, 2
jbe 0x4af3b7
cmp eax, 4
ja 0x4af1ac
push 2
push ebx
push ebx
push dword [esi]
call fcn.004aa66e
add esp, 0x10
or eax, edx
je 0x4af3b7
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004aa66e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4af1b5
jmp 0x4af097
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4af383
push dword [esi]
call fcn.004a05db
pop ecx
call fcn.0049e806
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4af438
cmp eax, 0xfeff
jne 0x4af3a9
push ebx
push 2
push dword [esi]
call fcn.004a1055
add esp, 0xc
cmp eax, 0xffffffff
je 0x4af097
mov byte [ebp - 2], 2
jmp 0x4af1b5
push ebx
push ebx
push dword [esi]
call fcn.004a1055
add esp, 0xc
jmp 0x4af34d
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4af3d7
dec eax
jne 0x4af1b5
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4af3e5
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.004aa3ba
add esp, 0xc
cmp eax, 0xffffffff
je 0x4af40b
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4af3e5
jmp 0x4af1b5
push dword [esi]
call fcn.004a05db
pop ecx
call fcn.0049e806
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4af438
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5204a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret