Function at 0x49ad04
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 0x49ad33
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x49ad3d
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049d696
test eax, eax
pop ecx
je 0x49ad58
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047bd0e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047d37d
test eax, eax
pop ecx
je 0x49ad73
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047bd0e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49ad90
test ecx, 0x74000
jne 0x49ad8c
cmp dword [ebp - 0x24], eax
je 0x49ad90
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x49adea
dec eax
je 0x49add4
dec eax
je 0x49adcf
call fcn.00482bab
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00482b98
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047be0a
add esp, 0x14
jmp 0x49b39d
mov dword [ebp - 8], edx
jmp 0x49aded
test cl, 8
je 0x49ade1
test ecx, 0x70000
jne 0x49adcf
mov dword [ebp - 8], 0x40000000
jmp 0x49aded
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49ae2e
sub eax, ecx
je 0x49ae25
sub eax, ecx
je 0x49ae1c
sub eax, ecx
je 0x49ae13
sub eax, 0x40
jne 0x49ada9
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49ae31
mov dword [ebp - 0x10], 3
jmp 0x49ae31
mov dword [ebp - 0x10], 2
jmp 0x49ae31
mov dword [ebp - 0x10], 1
jmp 0x49ae31
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 0x49ae84
je 0x49ae7b
cmp eax, ebx
je 0x49ae7b
cmp eax, edi
je 0x49ae72
cmp eax, 0x200
je 0x49aef7
cmp eax, 0x300
jne 0x49ada9
mov dword [ebp - 0x14], 2
jmp 0x49aea1
mov dword [ebp - 0x14], 4
jmp 0x49aea1
mov dword [ebp - 0x14], 3
jmp 0x49aea1
cmp eax, 0x500
je 0x49ae9a
cmp eax, 0x600
je 0x49aef7
cmp eax, edx
jne 0x49ada9
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x49aec5
mov ecx, dword [0x4f5a9c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x49aec5
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49aee1
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49aee1
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49aeea
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49af00
or dword [ebp - 0xc], 0x8000000
jmp 0x49af0b
mov dword [ebp - 0x14], 5
jmp 0x49aea1
test al, 0x10
je 0x49af0b
or dword [ebp - 0xc], 0x10000000
call fcn.00483efe
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49af31
call fcn.00482bab
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00482b98
mov dword [eax], 0x18
jmp 0x49afbf
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 0x49afcb
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49af97
test byte [ebp + 0x10], 1
je 0x49af97
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 0x49afcb
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x507020]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00482bbe
pop ecx
call fcn.00482b98
mov eax, dword [eax]
jmp 0x49b459
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49b01c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x507020]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00482bbe
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49afbf
call fcn.00482b98
mov dword [eax], 0xd
jmp 0x49afbf
cmp eax, 2
jne 0x49b027
or byte [ebp - 1], 0x40
jmp 0x49b030
cmp eax, 3
jne 0x49b030
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00483ccd
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x507020]
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 + 0x507020]
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 0x49b106
test cl, 0x80
je 0x49b1d6
test byte [ebp + 0x10], 2
je 0x49b106
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0048aaba
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49b0c4
call fcn.00482bab
cmp dword [eax], 0x83
je 0x49b106
push dword [esi]
call fcn.004899a6
jmp 0x49afbe
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0048c532
add esp, 0xc
test eax, eax
jne 0x49b0f6
cmp word [ebp - 0x2c], 0x1a
jne 0x49b0f6
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049d426
add esp, 0xc
cmp eax, edi
je 0x49b0b8
push ebx
push ebx
push dword [esi]
call fcn.0048aaba
add esp, 0xc
cmp eax, edi
je 0x49b0b8
test byte [ebp - 1], 0x80
je 0x49b1d6
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x49b12e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49b12b
or dword [ebp + 0x10], edi
jmp 0x49b12e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49b17b
cmp eax, 0x10000
je 0x49b167
cmp eax, 0x14000
je 0x49b167
cmp eax, 0x20000
je 0x49b175
cmp eax, 0x24000
je 0x49b175
cmp eax, 0x40000
je 0x49b161
cmp eax, 0x44000
jne 0x49b17e
mov byte [ebp - 2], 1
jmp 0x49b17e
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x49b17e
mov byte [ebp - 2], 2
jmp 0x49b17e
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x49b1d6
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x49b1d6
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49b330
cmp eax, 0x80000000
je 0x49b2f7
cmp eax, ecx
jne 0x49b1d6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49b1d6
cmp eax, 2
jbe 0x49b3d8
cmp eax, 4
jbe 0x49b2c9
cmp eax, 5
je 0x49b3d8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x507020]
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 + 0x507020]
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 0x49b248
test byte [ebp + 0x10], 8
je 0x49b248
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x507020]
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 0x49b457
test byte [ebp + 0x10], 1
je 0x49b457
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 0x49b440
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00482bbe
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x507020]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00483d4a
pop ecx
jmp 0x49afbe
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492116
add esp, 0x10
or eax, edx
je 0x49b3d8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492116
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x49b0b8
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048c532
add esp, 0xc
cmp eax, 0xffffffff
je 0x49b0b8
cmp eax, 2
je 0x49b37c
cmp eax, 3
jne 0x49b3ca
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49b37c
mov byte [ebp - 2], 1
jmp 0x49b1d6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49b1d6
cmp eax, 2
jbe 0x49b3d8
cmp eax, 4
ja 0x49b1cd
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492116
add esp, 0x10
or eax, edx
je 0x49b3d8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492116
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x49b1d6
jmp 0x49b0b8
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49b3a4
push dword [esi]
call fcn.004899a6
pop ecx
call fcn.00482b98
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49b459
cmp eax, 0xfeff
jne 0x49b3ca
push ebx
push 2
push dword [esi]
call fcn.0048aaba
add esp, 0xc
cmp eax, 0xffffffff
je 0x49b0b8
mov byte [ebp - 2], 2
jmp 0x49b1d6
push ebx
push ebx
push dword [esi]
call fcn.0048aaba
add esp, 0xc
jmp 0x49b36e
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49b3f8
dec eax
jne 0x49b1d6
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49b406
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.0048a73c
add esp, 0xc
cmp eax, 0xffffffff
je 0x49b42c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49b406
jmp 0x49b1d6
push dword [esi]
call fcn.004899a6
pop ecx
call fcn.00482b98
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49b459
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x507020]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret