Function at 0x49d78c
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 0x49d7bb
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x49d7c5
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00498475
test eax, eax
pop ecx
je 0x49d7e0
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00484335
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048d493
test eax, eax
pop ecx
je 0x49d7fb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00484335
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49d818
test ecx, 0x74000
jne 0x49d814
cmp dword [ebp - 0x24], eax
je 0x49d818
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x49d872
dec eax
je 0x49d85c
dec eax
je 0x49d857
call fcn.0048d3b9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048d3a6
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00484431
add esp, 0x14
jmp 0x49de25
mov dword [ebp - 8], edx
jmp 0x49d875
test cl, 8
je 0x49d869
test ecx, 0x70000
jne 0x49d857
mov dword [ebp - 8], 0x40000000
jmp 0x49d875
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49d8b6
sub eax, ecx
je 0x49d8ad
sub eax, ecx
je 0x49d8a4
sub eax, ecx
je 0x49d89b
sub eax, 0x40
jne 0x49d831
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49d8b9
mov dword [ebp - 0x10], 3
jmp 0x49d8b9
mov dword [ebp - 0x10], 2
jmp 0x49d8b9
mov dword [ebp - 0x10], 1
jmp 0x49d8b9
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 0x49d90c
je 0x49d903
cmp eax, ebx
je 0x49d903
cmp eax, edi
je 0x49d8fa
cmp eax, 0x200
je 0x49d97f
cmp eax, 0x300
jne 0x49d831
mov dword [ebp - 0x14], 2
jmp 0x49d929
mov dword [ebp - 0x14], 4
jmp 0x49d929
mov dword [ebp - 0x14], 3
jmp 0x49d929
cmp eax, 0x500
je 0x49d922
cmp eax, 0x600
je 0x49d97f
cmp eax, edx
jne 0x49d831
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x49d94d
mov ecx, dword [0x4ea660]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x49d94d
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49d969
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49d969
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49d972
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49d988
or dword [ebp - 0xc], 0x8000000
jmp 0x49d993
mov dword [ebp - 0x14], 5
jmp 0x49d929
test al, 0x10
je 0x49d993
or dword [ebp - 0xc], 0x10000000
call fcn.004892ff
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49d9b9
call fcn.0048d3b9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048d3a6
mov dword [eax], 0x18
jmp 0x49da47
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 0x49da53
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49da1f
test byte [ebp + 0x10], 1
je 0x49da1f
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 0x49da53
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ec780]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048d3cc
pop ecx
call fcn.0048d3a6
mov eax, dword [eax]
jmp 0x49dee1
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49daa4
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ec780]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0048d3cc
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49da47
call fcn.0048d3a6
mov dword [eax], 0xd
jmp 0x49da47
cmp eax, 2
jne 0x49daaf
or byte [ebp - 1], 0x40
jmp 0x49dab8
cmp eax, 3
jne 0x49dab8
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004890ce
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4ec780]
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 + 0x4ec780]
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 0x49db8e
test cl, 0x80
je 0x49dc5e
test byte [ebp + 0x10], 2
je 0x49db8e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0049585d
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49db4c
call fcn.0048d3b9
cmp dword [eax], 0x83
je 0x49db8e
push dword [esi]
call fcn.004949b5
jmp 0x49da46
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004942f7
add esp, 0xc
test eax, eax
jne 0x49db7e
cmp word [ebp - 0x2c], 0x1a
jne 0x49db7e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00488b04
add esp, 0xc
cmp eax, edi
je 0x49db40
push ebx
push ebx
push dword [esi]
call fcn.0049585d
add esp, 0xc
cmp eax, edi
je 0x49db40
test byte [ebp - 1], 0x80
je 0x49dc5e
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x49dbb6
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49dbb3
or dword [ebp + 0x10], edi
jmp 0x49dbb6
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49dc03
cmp eax, 0x10000
je 0x49dbef
cmp eax, 0x14000
je 0x49dbef
cmp eax, 0x20000
je 0x49dbfd
cmp eax, 0x24000
je 0x49dbfd
cmp eax, 0x40000
je 0x49dbe9
cmp eax, 0x44000
jne 0x49dc06
mov byte [ebp - 2], 1
jmp 0x49dc06
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x49dc06
mov byte [ebp - 2], 2
jmp 0x49dc06
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x49dc5e
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x49dc5e
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49ddb8
cmp eax, 0x80000000
je 0x49dd7f
cmp eax, ecx
jne 0x49dc5e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49dc5e
cmp eax, 2
jbe 0x49de60
cmp eax, 4
jbe 0x49dd51
cmp eax, 5
je 0x49de60
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ec780]
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 + 0x4ec780]
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 0x49dcd0
test byte [ebp + 0x10], 8
je 0x49dcd0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ec780]
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 0x49dedf
test byte [ebp + 0x10], 1
je 0x49dedf
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 0x49dec8
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048d3cc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ec780]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048914b
pop ecx
jmp 0x49da46
push 2
push ebx
push ebx
push dword [esi]
call fcn.004984a9
add esp, 0x10
or eax, edx
je 0x49de60
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004984a9
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x49db40
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004942f7
add esp, 0xc
cmp eax, 0xffffffff
je 0x49db40
cmp eax, 2
je 0x49de04
cmp eax, 3
jne 0x49de52
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49de04
mov byte [ebp - 2], 1
jmp 0x49dc5e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49dc5e
cmp eax, 2
jbe 0x49de60
cmp eax, 4
ja 0x49dc55
push 2
push ebx
push ebx
push dword [esi]
call fcn.004984a9
add esp, 0x10
or eax, edx
je 0x49de60
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004984a9
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x49dc5e
jmp 0x49db40
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49de2c
push dword [esi]
call fcn.004949b5
pop ecx
call fcn.0048d3a6
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49dee1
cmp eax, 0xfeff
jne 0x49de52
push ebx
push 2
push dword [esi]
call fcn.0049585d
add esp, 0xc
cmp eax, 0xffffffff
je 0x49db40
mov byte [ebp - 2], 2
jmp 0x49dc5e
push ebx
push ebx
push dword [esi]
call fcn.0049585d
add esp, 0xc
jmp 0x49ddf6
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49de80
dec eax
jne 0x49dc5e
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49de8e
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.004981fc
add esp, 0xc
cmp eax, 0xffffffff
je 0x49deb4
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49de8e
jmp 0x49dc5e
push dword [esi]
call fcn.004949b5
pop ecx
call fcn.0048d3a6
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49dee1
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ec780]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret