Function at 0x4fe6d2
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 0x4fe701
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4fe70b
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00444370
test eax, eax
pop ecx
je 0x4fe726
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042a9b9
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00430094
test eax, eax
pop ecx
je 0x4fe741
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042a9b9
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4fe75e
test ecx, 0x74000
jne 0x4fe75a
cmp dword [ebp - 0x24], eax
je 0x4fe75e
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x4fe7b8
dec eax
je 0x4fe7a2
dec eax
je 0x4fe79d
call fcn.004303d7
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004303c4
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0042aab5
add esp, 0x14
jmp 0x4fed6a
mov dword [ebp - 8], edx
jmp 0x4fe7bb
test cl, 8
je 0x4fe7af
test ecx, 0x70000
jne 0x4fe79d
mov dword [ebp - 8], 0x40000000
jmp 0x4fe7bb
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4fe7fc
sub eax, ecx
je 0x4fe7f3
sub eax, ecx
je 0x4fe7ea
sub eax, ecx
je 0x4fe7e1
sub eax, 0x40
jne 0x4fe777
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4fe7ff
mov dword [ebp - 0x10], 3
jmp 0x4fe7ff
mov dword [ebp - 0x10], 2
jmp 0x4fe7ff
mov dword [ebp - 0x10], 1
jmp 0x4fe7ff
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 0x4fe852
je 0x4fe849
cmp eax, ebx
je 0x4fe849
cmp eax, edi
je 0x4fe840
cmp eax, 0x200
je 0x4fe8c5
cmp eax, 0x300
jne 0x4fe777
mov dword [ebp - 0x14], 2
jmp 0x4fe86f
mov dword [ebp - 0x14], 4
jmp 0x4fe86f
mov dword [ebp - 0x14], 3
jmp 0x4fe86f
cmp eax, 0x500
je 0x4fe868
cmp eax, 0x600
je 0x4fe8c5
cmp eax, edx
jne 0x4fe777
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4fe893
mov ecx, dword [0x574748]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4fe893
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4fe8af
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4fe8af
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4fe8b8
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4fe8ce
or dword [ebp - 0xc], 0x8000000
jmp 0x4fe8d9
mov dword [ebp - 0x14], 5
jmp 0x4fe86f
test al, 0x10
je 0x4fe8d9
or dword [ebp - 0xc], 0x10000000
call fcn.0044238a
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4fe8ff
call fcn.004303d7
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004303c4
mov dword [eax], 0x18
jmp 0x4fe98d
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 0x4fe999
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4fe965
test byte [ebp + 0x10], 1
je 0x4fe965
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 0x4fe999
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x578ac0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004303ea
pop ecx
call fcn.004303c4
mov eax, dword [eax]
jmp 0x4fee26
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4fe9ea
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x578ac0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004303ea
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4fe98d
call fcn.004303c4
mov dword [eax], 0xd
jmp 0x4fe98d
cmp eax, 2
jne 0x4fe9f5
or byte [ebp - 1], 0x40
jmp 0x4fe9fe
cmp eax, 3
jne 0x4fe9fe
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00442159
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x578ac0]
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 + 0x578ac0]
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 0x4fead3
test cl, 0x80
je 0x4feba3
test byte [ebp + 0x10], 2
je 0x4fead3
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043d4a6
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4fea92
call fcn.004303d7
cmp dword [eax], 0x83
je 0x4fead3
push dword [esi]
call fcn.00436296
jmp 0x4fe98c
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0044311d
add esp, 0xc
test eax, eax
jne 0x4feac3
cmp byte [ebp - 4], 0x1a
jne 0x4feac3
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00444100
add esp, 0xc
cmp eax, edi
je 0x4fea86
push ebx
push ebx
push dword [esi]
call fcn.0043d4a6
add esp, 0xc
cmp eax, edi
je 0x4fea86
test byte [ebp - 1], 0x80
je 0x4feba3
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4feafb
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4feaf8
or dword [ebp + 0x10], edi
jmp 0x4feafb
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4feb48
cmp eax, 0x10000
je 0x4feb34
cmp eax, 0x14000
je 0x4feb34
cmp eax, 0x20000
je 0x4feb42
cmp eax, 0x24000
je 0x4feb42
cmp eax, 0x40000
je 0x4feb2e
cmp eax, 0x44000
jne 0x4feb4b
mov byte [ebp - 2], 1
jmp 0x4feb4b
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4feb4b
mov byte [ebp - 2], 2
jmp 0x4feb4b
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4feba3
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4feba3
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4fecfd
cmp eax, 0x80000000
je 0x4fecc4
cmp eax, ecx
jne 0x4feba3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4feba3
cmp eax, 2
jbe 0x4feda5
cmp eax, 4
jbe 0x4fec96
cmp eax, 5
je 0x4feda5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x578ac0]
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 + 0x578ac0]
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 0x4fec15
test byte [ebp + 0x10], 8
je 0x4fec15
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x578ac0]
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 0x4fee24
test byte [ebp + 0x10], 1
je 0x4fee24
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 0x4fee0d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004303ea
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x578ac0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004421d6
pop ecx
jmp 0x4fe98c
push 2
push ebx
push ebx
push dword [esi]
call fcn.00440894
add esp, 0x10
or eax, edx
je 0x4feda5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00440894
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4fea86
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0044311d
add esp, 0xc
cmp eax, 0xffffffff
je 0x4fea86
cmp eax, 2
je 0x4fed49
cmp eax, 3
jne 0x4fed97
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4fed49
mov byte [ebp - 2], 1
jmp 0x4feba3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4feba3
cmp eax, 2
jbe 0x4feda5
cmp eax, 4
ja 0x4feb9a
push 2
push ebx
push ebx
push dword [esi]
call fcn.00440894
add esp, 0x10
or eax, edx
je 0x4feda5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00440894
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4feba3
jmp 0x4fea86
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4fed71
push dword [esi]
call fcn.00436296
pop ecx
call fcn.004303c4
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4fee26
cmp eax, 0xfeff
jne 0x4fed97
push ebx
push 2
push dword [esi]
call fcn.0043d4a6
add esp, 0xc
cmp eax, 0xffffffff
je 0x4fea86
mov byte [ebp - 2], 2
jmp 0x4feba3
push ebx
push ebx
push dword [esi]
call fcn.0043d4a6
add esp, 0xc
jmp 0x4fed3b
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4fedc5
dec eax
jne 0x4feba3
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4fedd3
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.0043618d
add esp, 0xc
cmp eax, 0xffffffff
je 0x4fedf9
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4fedd3
jmp 0x4feba3
push dword [esi]
call fcn.00436296
pop ecx
call fcn.004303c4
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4fee26
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x578ac0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret