Function at 0x40c7dc
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 0x40c80b
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x40c815
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00410768
test eax, eax
pop ecx
je 0x40c830
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004034bb
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00407a04
test eax, eax
pop ecx
je 0x40c84b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004034bb
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x40c868
test ecx, 0x74000
jne 0x40c864
cmp dword [ebp - 0x24], eax
je 0x40c868
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x40c8c2
dec eax
je 0x40c8ac
dec eax
je 0x40c8a7
call fcn.00404f47
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00404f34
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004035b7
add esp, 0x14
jmp 0x40ce75
mov dword [ebp - 8], edx
jmp 0x40c8c5
test cl, 8
je 0x40c8b9
test ecx, 0x70000
jne 0x40c8a7
mov dword [ebp - 8], 0x40000000
jmp 0x40c8c5
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x40c906
sub eax, ecx
je 0x40c8fd
sub eax, ecx
je 0x40c8f4
sub eax, ecx
je 0x40c8eb
sub eax, 0x40
jne 0x40c881
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x40c909
mov dword [ebp - 0x10], 3
jmp 0x40c909
mov dword [ebp - 0x10], 2
jmp 0x40c909
mov dword [ebp - 0x10], 1
jmp 0x40c909
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 0x40c95c
je 0x40c953
cmp eax, ebx
je 0x40c953
cmp eax, edi
je 0x40c94a
cmp eax, 0x200
je 0x40c9cf
cmp eax, 0x300
jne 0x40c881
mov dword [ebp - 0x14], 2
jmp 0x40c979
mov dword [ebp - 0x14], 4
jmp 0x40c979
mov dword [ebp - 0x14], 3
jmp 0x40c979
cmp eax, 0x500
je 0x40c972
cmp eax, 0x600
je 0x40c9cf
cmp eax, edx
jne 0x40c881
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x40c99d
mov ecx, dword [0x41a4e0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x40c99d
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x40c9b9
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x40c9b9
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x40c9c2
or dword [ebp - 0xc], edi
test al, 0x20
je 0x40c9d8
or dword [ebp - 0xc], 0x8000000
jmp 0x40c9e3
mov dword [ebp - 0x14], 5
jmp 0x40c979
test al, 0x10
je 0x40c9e3
or dword [ebp - 0xc], 0x10000000
call fcn.0040e13b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x40ca09
call fcn.00404f47
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00404f34
mov dword [eax], 0x18
jmp 0x40ca97
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 0x40caa3
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x40ca6f
test byte [ebp + 0x10], 1
je 0x40ca6f
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 0x40caa3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x41aee0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00404f5a
pop ecx
call fcn.00404f34
mov eax, dword [eax]
jmp 0x40cf31
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x40caf4
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x41aee0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00404f5a
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x40ca97
call fcn.00404f34
mov dword [eax], 0xd
jmp 0x40ca97
cmp eax, 2
jne 0x40caff
or byte [ebp - 1], 0x40
jmp 0x40cb08
cmp eax, 3
jne 0x40cb08
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0040df0a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x41aee0]
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 + 0x41aee0]
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 0x40cbde
test cl, 0x80
je 0x40ccae
test byte [ebp + 0x10], 2
je 0x40cbde
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004089e5
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x40cb9c
call fcn.00404f47
cmp dword [eax], 0x83
je 0x40cbde
push dword [esi]
call fcn.0040631e
jmp 0x40ca96
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00408b33
add esp, 0xc
test eax, eax
jne 0x40cbce
cmp word [ebp - 0x2c], 0x1a
jne 0x40cbce
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004104f8
add esp, 0xc
cmp eax, edi
je 0x40cb90
push ebx
push ebx
push dword [esi]
call fcn.004089e5
add esp, 0xc
cmp eax, edi
je 0x40cb90
test byte [ebp - 1], 0x80
je 0x40ccae
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x40cc06
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x40cc03
or dword [ebp + 0x10], edi
jmp 0x40cc06
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x40cc53
cmp eax, 0x10000
je 0x40cc3f
cmp eax, 0x14000
je 0x40cc3f
cmp eax, 0x20000
je 0x40cc4d
cmp eax, 0x24000
je 0x40cc4d
cmp eax, 0x40000
je 0x40cc39
cmp eax, 0x44000
jne 0x40cc56
mov byte [ebp - 2], 1
jmp 0x40cc56
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x40cc56
mov byte [ebp - 2], 2
jmp 0x40cc56
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x40ccae
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x40ccae
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x40ce08
cmp eax, 0x80000000
je 0x40cdcf
cmp eax, ecx
jne 0x40ccae
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x40ccae
cmp eax, 2
jbe 0x40ceb0
cmp eax, 4
jbe 0x40cda1
cmp eax, 5
je 0x40ceb0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x41aee0]
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 + 0x41aee0]
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 0x40cd20
test byte [ebp + 0x10], 8
je 0x40cd20
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x41aee0]
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 0x40cf2f
test byte [ebp + 0x10], 1
je 0x40cf2f
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 0x40cf18
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00404f5a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x41aee0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0040df87
pop ecx
jmp 0x40ca96
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040b4ec
add esp, 0x10
or eax, edx
je 0x40ceb0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040b4ec
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x40cb90
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00408b33
add esp, 0xc
cmp eax, 0xffffffff
je 0x40cb90
cmp eax, 2
je 0x40ce54
cmp eax, 3
jne 0x40cea2
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x40ce54
mov byte [ebp - 2], 1
jmp 0x40ccae
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x40ccae
cmp eax, 2
jbe 0x40ceb0
cmp eax, 4
ja 0x40cca5
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040b4ec
add esp, 0x10
or eax, edx
je 0x40ceb0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040b4ec
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x40ccae
jmp 0x40cb90
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x40ce7c
push dword [esi]
call fcn.0040631e
pop ecx
call fcn.00404f34
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x40cf31
cmp eax, 0xfeff
jne 0x40cea2
push ebx
push 2
push dword [esi]
call fcn.004089e5
add esp, 0xc
cmp eax, 0xffffffff
je 0x40cb90
mov byte [ebp - 2], 2
jmp 0x40ccae
push ebx
push ebx
push dword [esi]
call fcn.004089e5
add esp, 0xc
jmp 0x40ce46
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x40ced0
dec eax
jne 0x40ccae
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x40cede
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.00406c25
add esp, 0xc
cmp eax, 0xffffffff
je 0x40cf04
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x40cede
jmp 0x40ccae
push dword [esi]
call fcn.0040631e
pop ecx
call fcn.00404f34
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x40cf31
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x41aee0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret