Function at 0x40ef47
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 0x40ef76
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x40ef80
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004149e4
test eax, eax
pop ecx
je 0x40ef9b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0041236b
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040e1d5
test eax, eax
pop ecx
je 0x40efb6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0041236b
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x40efd3
test ecx, 0x74000
jne 0x40efcf
cmp dword [ebp - 0x24], eax
je 0x40efd3
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x40f02d
dec eax
je 0x40f017
dec eax
je 0x40f012
call fcn.0040ed7a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040ed67
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00412467
add esp, 0x14
jmp 0x40f5df
mov dword [ebp - 8], edx
jmp 0x40f030
test cl, 8
je 0x40f024
test ecx, 0x70000
jne 0x40f012
mov dword [ebp - 8], 0x40000000
jmp 0x40f030
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x40f071
sub eax, ecx
je 0x40f068
sub eax, ecx
je 0x40f05f
sub eax, ecx
je 0x40f056
sub eax, 0x40
jne 0x40efec
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x40f074
mov dword [ebp - 0x10], 3
jmp 0x40f074
mov dword [ebp - 0x10], 2
jmp 0x40f074
mov dword [ebp - 0x10], 1
jmp 0x40f074
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 0x40f0c7
je 0x40f0be
cmp eax, ebx
je 0x40f0be
cmp eax, edi
je 0x40f0b5
cmp eax, 0x200
je 0x40f13a
cmp eax, 0x300
jne 0x40efec
mov dword [ebp - 0x14], 2
jmp 0x40f0e4
mov dword [ebp - 0x14], 4
jmp 0x40f0e4
mov dword [ebp - 0x14], 3
jmp 0x40f0e4
cmp eax, 0x500
je 0x40f0dd
cmp eax, 0x600
je 0x40f13a
cmp eax, edx
jne 0x40efec
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x40f108
mov ecx, dword [0x428748]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x40f108
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x40f124
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x40f124
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x40f12d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x40f143
or dword [ebp - 0xc], 0x8000000
jmp 0x40f14e
mov dword [ebp - 0x14], 5
jmp 0x40f0e4
test al, 0x10
je 0x40f14e
or dword [ebp - 0xc], 0x10000000
call fcn.0041146e
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x40f174
call fcn.0040ed7a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040ed67
mov dword [eax], 0x18
jmp 0x40f202
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 0x40f20e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x40f1da
test byte [ebp + 0x10], 1
je 0x40f1da
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 0x40f20e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x42a220]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040ed8d
pop ecx
call fcn.0040ed67
mov eax, dword [eax]
jmp 0x40f69b
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x40f25f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x42a220]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0040ed8d
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x40f202
call fcn.0040ed67
mov dword [eax], 0xd
jmp 0x40f202
cmp eax, 2
jne 0x40f26a
or byte [ebp - 1], 0x40
jmp 0x40f273
cmp eax, 3
jne 0x40f273
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0041123d
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x42a220]
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 + 0x42a220]
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 0x40f348
test cl, 0x80
je 0x40f418
test byte [ebp + 0x10], 2
je 0x40f348
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004147da
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x40f307
call fcn.0040ed7a
cmp dword [eax], 0x83
je 0x40f348
push dword [esi]
call fcn.0040e448
jmp 0x40f201
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0041160d
add esp, 0xc
test eax, eax
jne 0x40f338
cmp byte [ebp - 4], 0x1a
jne 0x40f338
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00414626
add esp, 0xc
cmp eax, edi
je 0x40f2fb
push ebx
push ebx
push dword [esi]
call fcn.004147da
add esp, 0xc
cmp eax, edi
je 0x40f2fb
test byte [ebp - 1], 0x80
je 0x40f418
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x40f370
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x40f36d
or dword [ebp + 0x10], edi
jmp 0x40f370
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x40f3bd
cmp eax, 0x10000
je 0x40f3a9
cmp eax, 0x14000
je 0x40f3a9
cmp eax, 0x20000
je 0x40f3b7
cmp eax, 0x24000
je 0x40f3b7
cmp eax, 0x40000
je 0x40f3a3
cmp eax, 0x44000
jne 0x40f3c0
mov byte [ebp - 2], 1
jmp 0x40f3c0
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x40f3c0
mov byte [ebp - 2], 2
jmp 0x40f3c0
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x40f418
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x40f418
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x40f572
cmp eax, 0x80000000
je 0x40f539
cmp eax, ecx
jne 0x40f418
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x40f418
cmp eax, 2
jbe 0x40f61a
cmp eax, 4
jbe 0x40f50b
cmp eax, 5
je 0x40f61a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42a220]
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 + 0x42a220]
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 0x40f48a
test byte [ebp + 0x10], 8
je 0x40f48a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42a220]
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 0x40f699
test byte [ebp + 0x10], 1
je 0x40f699
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 0x40f682
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040ed8d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42a220]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004112ba
pop ecx
jmp 0x40f201
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040edab
add esp, 0x10
or eax, edx
je 0x40f61a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040edab
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x40f2fb
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0041160d
add esp, 0xc
cmp eax, 0xffffffff
je 0x40f2fb
cmp eax, 2
je 0x40f5be
cmp eax, 3
jne 0x40f60c
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x40f5be
mov byte [ebp - 2], 1
jmp 0x40f418
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x40f418
cmp eax, 2
jbe 0x40f61a
cmp eax, 4
ja 0x40f40f
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040edab
add esp, 0x10
or eax, edx
je 0x40f61a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040edab
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x40f418
jmp 0x40f2fb
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x40f5e6
push dword [esi]
call fcn.0040e448
pop ecx
call fcn.0040ed67
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x40f69b
cmp eax, 0xfeff
jne 0x40f60c
push ebx
push 2
push dword [esi]
call fcn.004147da
add esp, 0xc
cmp eax, 0xffffffff
je 0x40f2fb
mov byte [ebp - 2], 2
jmp 0x40f418
push ebx
push ebx
push dword [esi]
call fcn.004147da
add esp, 0xc
jmp 0x40f5b0
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x40f63a
dec eax
jne 0x40f418
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x40f648
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.0040ec50
add esp, 0xc
cmp eax, 0xffffffff
je 0x40f66e
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x40f648
jmp 0x40f418
push dword [esi]
call fcn.0040e448
pop ecx
call fcn.0040ed67
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x40f69b
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x42a220]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret