Function at 0x497755
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 0x497784
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x49778e
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004a0984
test eax, eax
pop ecx
je 0x4977a9
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00483d64
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004865a7
test eax, eax
pop ecx
je 0x4977c4
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00483d64
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4977e1
test ecx, 0x74000
jne 0x4977dd
cmp dword [ebp - 0x24], eax
je 0x4977e1
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x49783b
dec eax
je 0x497825
dec eax
je 0x497820
call fcn.00486d73
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00486d60
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00483e98
add esp, 0x14
jmp 0x497ded
mov dword [ebp - 8], edx
jmp 0x49783e
test cl, 8
je 0x497832
test ecx, 0x70000
jne 0x497820
mov dword [ebp - 8], 0x40000000
jmp 0x49783e
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49787f
sub eax, ecx
je 0x497876
sub eax, ecx
je 0x49786d
sub eax, ecx
je 0x497864
sub eax, 0x40
jne 0x4977fa
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x497882
mov dword [ebp - 0x10], 3
jmp 0x497882
mov dword [ebp - 0x10], 2
jmp 0x497882
mov dword [ebp - 0x10], 1
jmp 0x497882
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 0x4978d5
je 0x4978cc
cmp eax, ebx
je 0x4978cc
cmp eax, edi
je 0x4978c3
cmp eax, 0x200
je 0x497948
cmp eax, 0x300
jne 0x4977fa
mov dword [ebp - 0x14], 2
jmp 0x4978f2
mov dword [ebp - 0x14], 4
jmp 0x4978f2
mov dword [ebp - 0x14], 3
jmp 0x4978f2
cmp eax, 0x500
je 0x4978eb
cmp eax, 0x600
je 0x497948
cmp eax, edx
jne 0x4977fa
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x497916
mov ecx, dword [0x4d1c88]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x497916
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x497932
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x497932
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49793b
or dword [ebp - 0xc], edi
test al, 0x20
je 0x497951
or dword [ebp - 0xc], 0x8000000
jmp 0x49795c
mov dword [ebp - 0x14], 5
jmp 0x4978f2
test al, 0x10
je 0x49795c
or dword [ebp - 0xc], 0x10000000
call fcn.00498794
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x497982
call fcn.00486d73
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00486d60
mov dword [eax], 0x18
jmp 0x497a10
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 0x497a1c
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4979e8
test byte [ebp + 0x10], 1
je 0x4979e8
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 0x497a1c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5175e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00486d86
pop ecx
call fcn.00486d60
mov eax, dword [eax]
jmp 0x497ea9
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x497a6d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5175e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00486d86
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x497a10
call fcn.00486d60
mov dword [eax], 0xd
jmp 0x497a10
cmp eax, 2
jne 0x497a78
or byte [ebp - 1], 0x40
jmp 0x497a81
cmp eax, 3
jne 0x497a81
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00498563
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5175e0]
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 + 0x5175e0]
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 0x497b56
test cl, 0x80
je 0x497c26
test byte [ebp + 0x10], 2
je 0x497b56
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004a0734
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x497b15
call fcn.00486d73
cmp dword [eax], 0x83
je 0x497b56
push dword [esi]
call fcn.0048aca5
jmp 0x497a0f
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004a0076
add esp, 0xc
test eax, eax
jne 0x497b46
cmp byte [ebp - 4], 0x1a
jne 0x497b46
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049fdbd
add esp, 0xc
cmp eax, edi
je 0x497b09
push ebx
push ebx
push dword [esi]
call fcn.004a0734
add esp, 0xc
cmp eax, edi
je 0x497b09
test byte [ebp - 1], 0x80
je 0x497c26
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x497b7e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x497b7b
or dword [ebp + 0x10], edi
jmp 0x497b7e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x497bcb
cmp eax, 0x10000
je 0x497bb7
cmp eax, 0x14000
je 0x497bb7
cmp eax, 0x20000
je 0x497bc5
cmp eax, 0x24000
je 0x497bc5
cmp eax, 0x40000
je 0x497bb1
cmp eax, 0x44000
jne 0x497bce
mov byte [ebp - 2], 1
jmp 0x497bce
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x497bce
mov byte [ebp - 2], 2
jmp 0x497bce
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x497c26
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x497c26
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x497d80
cmp eax, 0x80000000
je 0x497d47
cmp eax, ecx
jne 0x497c26
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497c26
cmp eax, 2
jbe 0x497e28
cmp eax, 4
jbe 0x497d19
cmp eax, 5
je 0x497e28
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5175e0]
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 + 0x5175e0]
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 0x497c98
test byte [ebp + 0x10], 8
je 0x497c98
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5175e0]
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 0x497ea7
test byte [ebp + 0x10], 1
je 0x497ea7
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 0x497e90
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00486d86
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5175e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004985e0
pop ecx
jmp 0x497a0f
push 2
push ebx
push ebx
push dword [esi]
call fcn.00496822
add esp, 0x10
or eax, edx
je 0x497e28
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00496822
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x497b09
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004a0076
add esp, 0xc
cmp eax, 0xffffffff
je 0x497b09
cmp eax, 2
je 0x497dcc
cmp eax, 3
jne 0x497e1a
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x497dcc
mov byte [ebp - 2], 1
jmp 0x497c26
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497c26
cmp eax, 2
jbe 0x497e28
cmp eax, 4
ja 0x497c1d
push 2
push ebx
push ebx
push dword [esi]
call fcn.00496822
add esp, 0x10
or eax, edx
je 0x497e28
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00496822
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x497c26
jmp 0x497b09
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x497df4
push dword [esi]
call fcn.0048aca5
pop ecx
call fcn.00486d60
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x497ea9
cmp eax, 0xfeff
jne 0x497e1a
push ebx
push 2
push dword [esi]
call fcn.004a0734
add esp, 0xc
cmp eax, 0xffffffff
je 0x497b09
mov byte [ebp - 2], 2
jmp 0x497c26
push ebx
push ebx
push dword [esi]
call fcn.004a0734
add esp, 0xc
jmp 0x497dbe
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x497e48
dec eax
jne 0x497c26
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x497e56
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.00496f84
add esp, 0xc
cmp eax, 0xffffffff
je 0x497e7c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x497e56
jmp 0x497c26
push dword [esi]
call fcn.0048aca5
pop ecx
call fcn.00486d60
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x497ea9
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5175e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret