Function at 0x45b0e6
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 0x45b115
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x45b11f
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0045ecc1
test eax, eax
pop ecx
je 0x45b13a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00442ad2
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00446f5b
test eax, eax
pop ecx
je 0x45b155
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00442ad2
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x45b172
test ecx, 0x74000
jne 0x45b16e
cmp dword [ebp - 0x24], eax
je 0x45b172
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x45b1cc
dec eax
je 0x45b1b6
dec eax
je 0x45b1b1
call fcn.004480c3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004480b0
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00442bce
add esp, 0x14
jmp 0x45b77f
mov dword [ebp - 8], edx
jmp 0x45b1cf
test cl, 8
je 0x45b1c3
test ecx, 0x70000
jne 0x45b1b1
mov dword [ebp - 8], 0x40000000
jmp 0x45b1cf
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x45b210
sub eax, ecx
je 0x45b207
sub eax, ecx
je 0x45b1fe
sub eax, ecx
je 0x45b1f5
sub eax, 0x40
jne 0x45b18b
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x45b213
mov dword [ebp - 0x10], 3
jmp 0x45b213
mov dword [ebp - 0x10], 2
jmp 0x45b213
mov dword [ebp - 0x10], 1
jmp 0x45b213
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 0x45b266
je 0x45b25d
cmp eax, ebx
je 0x45b25d
cmp eax, edi
je 0x45b254
cmp eax, 0x200
je 0x45b2d9
cmp eax, 0x300
jne 0x45b18b
mov dword [ebp - 0x14], 2
jmp 0x45b283
mov dword [ebp - 0x14], 4
jmp 0x45b283
mov dword [ebp - 0x14], 3
jmp 0x45b283
cmp eax, 0x500
je 0x45b27c
cmp eax, 0x600
je 0x45b2d9
cmp eax, edx
jne 0x45b18b
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x45b2a7
mov ecx, dword [0x48753c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x45b2a7
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x45b2c3
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x45b2c3
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x45b2cc
or dword [ebp - 0xc], edi
test al, 0x20
je 0x45b2e2
or dword [ebp - 0xc], 0x8000000
jmp 0x45b2ed
mov dword [ebp - 0x14], 5
jmp 0x45b283
test al, 0x10
je 0x45b2ed
or dword [ebp - 0xc], 0x10000000
call fcn.0045af47
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x45b313
call fcn.004480c3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004480b0
mov dword [eax], 0x18
jmp 0x45b3a1
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 0x45b3ad
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x45b379
test byte [ebp + 0x10], 1
je 0x45b379
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 0x45b3ad
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x489920]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.004480d6
pop ecx
call fcn.004480b0
mov eax, dword [eax]
jmp 0x45b83b
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x45b3fe
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x489920]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.004480d6
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x45b3a1
call fcn.004480b0
mov dword [eax], 0xd
jmp 0x45b3a1
cmp eax, 2
jne 0x45b409
or byte [ebp - 1], 0x40
jmp 0x45b412
cmp eax, 3
jne 0x45b412
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0045ad16
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x489920]
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 + 0x489920]
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 0x45b4e8
test cl, 0x80
je 0x45b5b8
test byte [ebp + 0x10], 2
je 0x45b4e8
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0045328f
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x45b4a6
call fcn.004480c3
cmp dword [eax], 0x83
je 0x45b4e8
push dword [esi]
call fcn.004520f5
jmp 0x45b3a0
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004533dd
add esp, 0xc
test eax, eax
jne 0x45b4d8
cmp word [ebp - 0x2c], 0x1a
jne 0x45b4d8
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045ea51
add esp, 0xc
cmp eax, edi
je 0x45b49a
push ebx
push ebx
push dword [esi]
call fcn.0045328f
add esp, 0xc
cmp eax, edi
je 0x45b49a
test byte [ebp - 1], 0x80
je 0x45b5b8
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x45b510
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x45b50d
or dword [ebp + 0x10], edi
jmp 0x45b510
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x45b55d
cmp eax, 0x10000
je 0x45b549
cmp eax, 0x14000
je 0x45b549
cmp eax, 0x20000
je 0x45b557
cmp eax, 0x24000
je 0x45b557
cmp eax, 0x40000
je 0x45b543
cmp eax, 0x44000
jne 0x45b560
mov byte [ebp - 2], 1
jmp 0x45b560
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x45b560
mov byte [ebp - 2], 2
jmp 0x45b560
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x45b5b8
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x45b5b8
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x45b712
cmp eax, 0x80000000
je 0x45b6d9
cmp eax, ecx
jne 0x45b5b8
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45b5b8
cmp eax, 2
jbe 0x45b7ba
cmp eax, 4
jbe 0x45b6ab
cmp eax, 5
je 0x45b7ba
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x489920]
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 + 0x489920]
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 0x45b62a
test byte [ebp + 0x10], 8
je 0x45b62a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x489920]
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 0x45b839
test byte [ebp + 0x10], 1
je 0x45b839
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 0x45b822
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.004480d6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x489920]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0045ad93
pop ecx
jmp 0x45b3a0
push 2
push ebx
push ebx
push dword [esi]
call fcn.00459d16
add esp, 0x10
or eax, edx
je 0x45b7ba
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00459d16
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x45b49a
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004533dd
add esp, 0xc
cmp eax, 0xffffffff
je 0x45b49a
cmp eax, 2
je 0x45b75e
cmp eax, 3
jne 0x45b7ac
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x45b75e
mov byte [ebp - 2], 1
jmp 0x45b5b8
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45b5b8
cmp eax, 2
jbe 0x45b7ba
cmp eax, 4
ja 0x45b5af
push 2
push ebx
push ebx
push dword [esi]
call fcn.00459d16
add esp, 0x10
or eax, edx
je 0x45b7ba
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00459d16
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x45b5b8
jmp 0x45b49a
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x45b786
push dword [esi]
call fcn.004520f5
pop ecx
call fcn.004480b0
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x45b83b
cmp eax, 0xfeff
jne 0x45b7ac
push ebx
push 2
push dword [esi]
call fcn.0045328f
add esp, 0xc
cmp eax, 0xffffffff
je 0x45b49a
mov byte [ebp - 2], 2
jmp 0x45b5b8
push ebx
push ebx
push dword [esi]
call fcn.0045328f
add esp, 0xc
jmp 0x45b750
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x45b7da
dec eax
jne 0x45b5b8
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x45b7e8
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.00451f0b
add esp, 0xc
cmp eax, 0xffffffff
je 0x45b80e
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x45b7e8
jmp 0x45b5b8
push dword [esi]
call fcn.004520f5
pop ecx
call fcn.004480b0
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x45b83b
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x489920]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret