Function at 0x48ffaf
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 0x48ffde
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x48ffe8
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00492da1
test eax, eax
pop ecx
je 0x490003
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00486886
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048549f
test eax, eax
pop ecx
je 0x49001e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00486886
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49003b
test ecx, 0x74000
jne 0x490037
cmp dword [ebp - 0x24], eax
je 0x49003b
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x490095
dec eax
je 0x49007f
dec eax
je 0x49007a
call fcn.00483aed
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00483ada
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00486982
add esp, 0x14
jmp 0x490647
mov dword [ebp - 8], edx
jmp 0x490098
test cl, 8
je 0x49008c
test ecx, 0x70000
jne 0x49007a
mov dword [ebp - 8], 0x40000000
jmp 0x490098
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4900d9
sub eax, ecx
je 0x4900d0
sub eax, ecx
je 0x4900c7
sub eax, ecx
je 0x4900be
sub eax, 0x40
jne 0x490054
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4900dc
mov dword [ebp - 0x10], 3
jmp 0x4900dc
mov dword [ebp - 0x10], 2
jmp 0x4900dc
mov dword [ebp - 0x10], 1
jmp 0x4900dc
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 0x49012f
je 0x490126
cmp eax, ebx
je 0x490126
cmp eax, edi
je 0x49011d
cmp eax, 0x200
je 0x4901a2
cmp eax, 0x300
jne 0x490054
mov dword [ebp - 0x14], 2
jmp 0x49014c
mov dword [ebp - 0x14], 4
jmp 0x49014c
mov dword [ebp - 0x14], 3
jmp 0x49014c
cmp eax, 0x500
je 0x490145
cmp eax, 0x600
je 0x4901a2
cmp eax, edx
jne 0x490054
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x490170
mov ecx, dword [0x4cdee0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x490170
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49018c
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49018c
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x490195
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4901ab
or dword [ebp - 0xc], 0x8000000
jmp 0x4901b6
mov dword [ebp - 0x14], 5
jmp 0x49014c
test al, 0x10
je 0x4901b6
or dword [ebp - 0xc], 0x10000000
call fcn.0048fc90
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4901dc
call fcn.00483aed
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00483ada
mov dword [eax], 0x18
jmp 0x49026a
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 0x490276
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x490242
test byte [ebp + 0x10], 1
je 0x490242
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 0x490276
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4cea40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00483b00
pop ecx
call fcn.00483ada
mov eax, dword [eax]
jmp 0x490703
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4902c7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4cea40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00483b00
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49026a
call fcn.00483ada
mov dword [eax], 0xd
jmp 0x49026a
cmp eax, 2
jne 0x4902d2
or byte [ebp - 1], 0x40
jmp 0x4902db
cmp eax, 3
jne 0x4902db
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048fa5f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4cea40]
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 + 0x4cea40]
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 0x4903b0
test cl, 0x80
je 0x490480
test byte [ebp + 0x10], 2
je 0x4903b0
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0048dae1
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49036f
call fcn.00483aed
cmp dword [eax], 0x83
je 0x4903b0
push dword [esi]
call fcn.00488aec
jmp 0x490269
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0048dc73
add esp, 0xc
test eax, eax
jne 0x4903a0
cmp byte [ebp - 4], 0x1a
jne 0x4903a0
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00492b31
add esp, 0xc
cmp eax, edi
je 0x490363
push ebx
push ebx
push dword [esi]
call fcn.0048dae1
add esp, 0xc
cmp eax, edi
je 0x490363
test byte [ebp - 1], 0x80
je 0x490480
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4903d8
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4903d5
or dword [ebp + 0x10], edi
jmp 0x4903d8
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x490425
cmp eax, 0x10000
je 0x490411
cmp eax, 0x14000
je 0x490411
cmp eax, 0x20000
je 0x49041f
cmp eax, 0x24000
je 0x49041f
cmp eax, 0x40000
je 0x49040b
cmp eax, 0x44000
jne 0x490428
mov byte [ebp - 2], 1
jmp 0x490428
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x490428
mov byte [ebp - 2], 2
jmp 0x490428
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x490480
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x490480
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4905da
cmp eax, 0x80000000
je 0x4905a1
cmp eax, ecx
jne 0x490480
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x490480
cmp eax, 2
jbe 0x490682
cmp eax, 4
jbe 0x490573
cmp eax, 5
je 0x490682
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cea40]
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 + 0x4cea40]
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 0x4904f2
test byte [ebp + 0x10], 8
je 0x4904f2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cea40]
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 0x490701
test byte [ebp + 0x10], 1
je 0x490701
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 0x4906ea
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00483b00
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cea40]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048fadc
pop ecx
jmp 0x490269
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048f38a
add esp, 0x10
or eax, edx
je 0x490682
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048f38a
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x490363
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048dc73
add esp, 0xc
cmp eax, 0xffffffff
je 0x490363
cmp eax, 2
je 0x490626
cmp eax, 3
jne 0x490674
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x490626
mov byte [ebp - 2], 1
jmp 0x490480
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x490480
cmp eax, 2
jbe 0x490682
cmp eax, 4
ja 0x490477
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048f38a
add esp, 0x10
or eax, edx
je 0x490682
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048f38a
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x490480
jmp 0x490363
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49064e
push dword [esi]
call fcn.00488aec
pop ecx
call fcn.00483ada
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x490703
cmp eax, 0xfeff
jne 0x490674
push ebx
push 2
push dword [esi]
call fcn.0048dae1
add esp, 0xc
cmp eax, 0xffffffff
je 0x490363
mov byte [ebp - 2], 2
jmp 0x490480
push ebx
push ebx
push dword [esi]
call fcn.0048dae1
add esp, 0xc
jmp 0x490618
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4906a2
dec eax
jne 0x490480
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4906b0
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.0048da05
add esp, 0xc
cmp eax, 0xffffffff
je 0x4906d6
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4906b0
jmp 0x490480
push dword [esi]
call fcn.00488aec
pop ecx
call fcn.00483ada
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x490703
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cea40]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret