Function at 0x4966c7
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 0x4966f6
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x496700
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004929e6
test eax, eax
pop ecx
je 0x49671b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00480585
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00484fbf
test eax, eax
pop ecx
je 0x496736
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00480585
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x496753
test ecx, 0x74000
jne 0x49674f
cmp dword [ebp - 0x24], eax
je 0x496753
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4967ad
dec eax
je 0x496797
dec eax
je 0x496792
call fcn.00486dbf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00486dac
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00480681
add esp, 0x14
jmp 0x496d5f
mov dword [ebp - 8], edx
jmp 0x4967b0
test cl, 8
je 0x4967a4
test ecx, 0x70000
jne 0x496792
mov dword [ebp - 8], 0x40000000
jmp 0x4967b0
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4967f1
sub eax, ecx
je 0x4967e8
sub eax, ecx
je 0x4967df
sub eax, ecx
je 0x4967d6
sub eax, 0x40
jne 0x49676c
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4967f4
mov dword [ebp - 0x10], 3
jmp 0x4967f4
mov dword [ebp - 0x10], 2
jmp 0x4967f4
mov dword [ebp - 0x10], 1
jmp 0x4967f4
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 0x496847
je 0x49683e
cmp eax, ebx
je 0x49683e
cmp eax, edi
je 0x496835
cmp eax, 0x200
je 0x4968ba
cmp eax, 0x300
jne 0x49676c
mov dword [ebp - 0x14], 2
jmp 0x496864
mov dword [ebp - 0x14], 4
jmp 0x496864
mov dword [ebp - 0x14], 3
jmp 0x496864
cmp eax, 0x500
je 0x49685d
cmp eax, 0x600
je 0x4968ba
cmp eax, edx
jne 0x49676c
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x496888
mov ecx, dword [0x5003e8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x496888
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4968a4
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4968a4
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4968ad
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4968c3
or dword [ebp - 0xc], 0x8000000
jmp 0x4968ce
mov dword [ebp - 0x14], 5
jmp 0x496864
test al, 0x10
je 0x4968ce
or dword [ebp - 0xc], 0x10000000
call fcn.0048320c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4968f4
call fcn.00486dbf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00486dac
mov dword [eax], 0x18
jmp 0x496982
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 0x49698e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49695a
test byte [ebp + 0x10], 1
je 0x49695a
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 0x49698e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x502000]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00486dd2
pop ecx
call fcn.00486dac
mov eax, dword [eax]
jmp 0x496e1b
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4969df
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x502000]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00486dd2
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x496982
call fcn.00486dac
mov dword [eax], 0xd
jmp 0x496982
cmp eax, 2
jne 0x4969ea
or byte [ebp - 1], 0x40
jmp 0x4969f3
cmp eax, 3
jne 0x4969f3
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00482fdb
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x502000]
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 + 0x502000]
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 0x496ac8
test cl, 0x80
je 0x496b98
test byte [ebp + 0x10], 2
je 0x496ac8
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0048b80c
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x496a87
call fcn.00486dbf
cmp dword [eax], 0x83
je 0x496ac8
push dword [esi]
call fcn.0048b677
jmp 0x496981
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0048c7d5
add esp, 0xc
test eax, eax
jne 0x496ab8
cmp byte [ebp - 4], 0x1a
jne 0x496ab8
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00482a8f
add esp, 0xc
cmp eax, edi
je 0x496a7b
push ebx
push ebx
push dword [esi]
call fcn.0048b80c
add esp, 0xc
cmp eax, edi
je 0x496a7b
test byte [ebp - 1], 0x80
je 0x496b98
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x496af0
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x496aed
or dword [ebp + 0x10], edi
jmp 0x496af0
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x496b3d
cmp eax, 0x10000
je 0x496b29
cmp eax, 0x14000
je 0x496b29
cmp eax, 0x20000
je 0x496b37
cmp eax, 0x24000
je 0x496b37
cmp eax, 0x40000
je 0x496b23
cmp eax, 0x44000
jne 0x496b40
mov byte [ebp - 2], 1
jmp 0x496b40
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x496b40
mov byte [ebp - 2], 2
jmp 0x496b40
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x496b98
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x496b98
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x496cf2
cmp eax, 0x80000000
je 0x496cb9
cmp eax, ecx
jne 0x496b98
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x496b98
cmp eax, 2
jbe 0x496d9a
cmp eax, 4
jbe 0x496c8b
cmp eax, 5
je 0x496d9a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x502000]
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 + 0x502000]
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 0x496c0a
test byte [ebp + 0x10], 8
je 0x496c0a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x502000]
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 0x496e19
test byte [ebp + 0x10], 1
je 0x496e19
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 0x496e02
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00486dd2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x502000]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00483058
pop ecx
jmp 0x496981
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492a1a
add esp, 0x10
or eax, edx
je 0x496d9a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492a1a
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x496a7b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048c7d5
add esp, 0xc
cmp eax, 0xffffffff
je 0x496a7b
cmp eax, 2
je 0x496d3e
cmp eax, 3
jne 0x496d8c
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x496d3e
mov byte [ebp - 2], 1
jmp 0x496b98
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x496b98
cmp eax, 2
jbe 0x496d9a
cmp eax, 4
ja 0x496b8f
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492a1a
add esp, 0x10
or eax, edx
je 0x496d9a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492a1a
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x496b98
jmp 0x496a7b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x496d66
push dword [esi]
call fcn.0048b677
pop ecx
call fcn.00486dac
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x496e1b
cmp eax, 0xfeff
jne 0x496d8c
push ebx
push 2
push dword [esi]
call fcn.0048b80c
add esp, 0xc
cmp eax, 0xffffffff
je 0x496a7b
mov byte [ebp - 2], 2
jmp 0x496b98
push ebx
push ebx
push dword [esi]
call fcn.0048b80c
add esp, 0xc
jmp 0x496d30
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x496dba
dec eax
jne 0x496b98
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x496dc8
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.0049276d
add esp, 0xc
cmp eax, 0xffffffff
je 0x496dee
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x496dc8
jmp 0x496b98
push dword [esi]
call fcn.0048b677
pop ecx
call fcn.00486dac
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x496e1b
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x502000]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret