Function at 0x49b7b2
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 0x49b7e1
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x49b7eb
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049c492
test eax, eax
pop ecx
je 0x49b806
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047eb9f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00483523
test eax, eax
pop ecx
je 0x49b821
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047eb9f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49b83e
test ecx, 0x74000
jne 0x49b83a
cmp dword [ebp - 0x24], eax
je 0x49b83e
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x49b898
dec eax
je 0x49b882
dec eax
je 0x49b87d
call fcn.004817f3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004817e0
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047ec9b
add esp, 0x14
jmp 0x49be4a
mov dword [ebp - 8], edx
jmp 0x49b89b
test cl, 8
je 0x49b88f
test ecx, 0x70000
jne 0x49b87d
mov dword [ebp - 8], 0x40000000
jmp 0x49b89b
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49b8dc
sub eax, ecx
je 0x49b8d3
sub eax, ecx
je 0x49b8ca
sub eax, ecx
je 0x49b8c1
sub eax, 0x40
jne 0x49b857
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49b8df
mov dword [ebp - 0x10], 3
jmp 0x49b8df
mov dword [ebp - 0x10], 2
jmp 0x49b8df
mov dword [ebp - 0x10], 1
jmp 0x49b8df
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x49b932
je 0x49b929
cmp eax, ebx
je 0x49b929
cmp eax, edi
je 0x49b920
cmp eax, 0x200
je 0x49b9a5
cmp eax, 0x300
jne 0x49b857
mov dword [ebp - 0x14], 2
jmp 0x49b94f
mov dword [ebp - 0x14], 4
jmp 0x49b94f
mov dword [ebp - 0x14], 3
jmp 0x49b94f
cmp eax, 0x500
je 0x49b948
cmp eax, 0x600
je 0x49b9a5
cmp eax, edx
jne 0x49b857
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x49b973
mov ecx, dword [0x4cd780]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x49b973
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49b98f
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49b98f
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49b998
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49b9ae
or dword [ebp - 0xc], 0x8000000
jmp 0x49b9b9
mov dword [ebp - 0x14], 5
jmp 0x49b94f
test al, 0x10
je 0x49b9b9
or dword [ebp - 0xc], 0x10000000
call fcn.004845cd
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49b9df
call fcn.004817f3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004817e0
mov dword [eax], 0x18
jmp 0x49ba6d
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 0x49ba79
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49ba45
test byte [ebp + 0x10], 1
je 0x49ba45
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 0x49ba79
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d0ca0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00481806
pop ecx
call fcn.004817e0
mov eax, dword [eax]
jmp 0x49bf06
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49baca
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d0ca0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00481806
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49ba6d
call fcn.004817e0
mov dword [eax], 0xd
jmp 0x49ba6d
cmp eax, 2
jne 0x49bad5
or byte [ebp - 1], 0x40
jmp 0x49bade
cmp eax, 3
jne 0x49bade
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048439c
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4d0ca0]
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 + 0x4d0ca0]
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 0x49bbb3
test cl, 0x80
je 0x49bc83
test byte [ebp + 0x10], 2
je 0x49bbb3
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0048f214
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49bb72
call fcn.004817f3
cmp dword [eax], 0x83
je 0x49bbb3
push dword [esi]
call fcn.0048e207
jmp 0x49ba6c
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0048e4b4
add esp, 0xc
test eax, eax
jne 0x49bba3
cmp byte [ebp - 4], 0x1a
jne 0x49bba3
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049c222
add esp, 0xc
cmp eax, edi
je 0x49bb66
push ebx
push ebx
push dword [esi]
call fcn.0048f214
add esp, 0xc
cmp eax, edi
je 0x49bb66
test byte [ebp - 1], 0x80
je 0x49bc83
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x49bbdb
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49bbd8
or dword [ebp + 0x10], edi
jmp 0x49bbdb
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49bc28
cmp eax, 0x10000
je 0x49bc14
cmp eax, 0x14000
je 0x49bc14
cmp eax, 0x20000
je 0x49bc22
cmp eax, 0x24000
je 0x49bc22
cmp eax, 0x40000
je 0x49bc0e
cmp eax, 0x44000
jne 0x49bc2b
mov byte [ebp - 2], 1
jmp 0x49bc2b
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x49bc2b
mov byte [ebp - 2], 2
jmp 0x49bc2b
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x49bc83
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x49bc83
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49bddd
cmp eax, 0x80000000
je 0x49bda4
cmp eax, ecx
jne 0x49bc83
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49bc83
cmp eax, 2
jbe 0x49be85
cmp eax, 4
jbe 0x49bd76
cmp eax, 5
je 0x49be85
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d0ca0]
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 + 0x4d0ca0]
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 0x49bcf5
test byte [ebp + 0x10], 8
je 0x49bcf5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d0ca0]
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 0x49bf04
test byte [ebp + 0x10], 1
je 0x49bf04
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 0x49beed
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00481806
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d0ca0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00484419
pop ecx
jmp 0x49ba6c
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048f443
add esp, 0x10
or eax, edx
je 0x49be85
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048f443
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x49bb66
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048e4b4
add esp, 0xc
cmp eax, 0xffffffff
je 0x49bb66
cmp eax, 2
je 0x49be29
cmp eax, 3
jne 0x49be77
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49be29
mov byte [ebp - 2], 1
jmp 0x49bc83
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49bc83
cmp eax, 2
jbe 0x49be85
cmp eax, 4
ja 0x49bc7a
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048f443
add esp, 0x10
or eax, edx
je 0x49be85
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048f443
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x49bc83
jmp 0x49bb66
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49be51
push dword [esi]
call fcn.0048e207
pop ecx
call fcn.004817e0
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49bf06
cmp eax, 0xfeff
jne 0x49be77
push ebx
push 2
push dword [esi]
call fcn.0048f214
add esp, 0xc
cmp eax, 0xffffffff
je 0x49bb66
mov byte [ebp - 2], 2
jmp 0x49bc83
push ebx
push ebx
push dword [esi]
call fcn.0048f214
add esp, 0xc
jmp 0x49be1b
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49bea5
dec eax
jne 0x49bc83
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49beb3
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.0048f138
add esp, 0xc
cmp eax, 0xffffffff
je 0x49bed9
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49beb3
jmp 0x49bc83
push dword [esi]
call fcn.0048e207
pop ecx
call fcn.004817e0
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49bf06
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d0ca0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret