Function at 0x489e79
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 0x489ea8
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x489eb2
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048cfc5
test eax, eax
pop ecx
je 0x489ecd
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0046f67c
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004761e2
test eax, eax
pop ecx
je 0x489ee8
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0046f67c
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x489f05
test ecx, 0x74000
jne 0x489f01
cmp dword [ebp - 0x24], eax
je 0x489f05
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x489f5f
dec eax
je 0x489f49
dec eax
je 0x489f44
call fcn.00474ea4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00474e91
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0046f778
add esp, 0x14
jmp 0x48a511
mov dword [ebp - 8], edx
jmp 0x489f62
test cl, 8
je 0x489f56
test ecx, 0x70000
jne 0x489f44
mov dword [ebp - 8], 0x40000000
jmp 0x489f62
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x489fa3
sub eax, ecx
je 0x489f9a
sub eax, ecx
je 0x489f91
sub eax, ecx
je 0x489f88
sub eax, 0x40
jne 0x489f1e
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x489fa6
mov dword [ebp - 0x10], 3
jmp 0x489fa6
mov dword [ebp - 0x10], 2
jmp 0x489fa6
mov dword [ebp - 0x10], 1
jmp 0x489fa6
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 0x489ff9
je 0x489ff0
cmp eax, ebx
je 0x489ff0
cmp eax, edi
je 0x489fe7
cmp eax, 0x200
je 0x48a06c
cmp eax, 0x300
jne 0x489f1e
mov dword [ebp - 0x14], 2
jmp 0x48a016
mov dword [ebp - 0x14], 4
jmp 0x48a016
mov dword [ebp - 0x14], 3
jmp 0x48a016
cmp eax, 0x500
je 0x48a00f
cmp eax, 0x600
je 0x48a06c
cmp eax, edx
jne 0x489f1e
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48a03a
mov ecx, dword [0x4f1970]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48a03a
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48a056
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48a056
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48a05f
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48a075
or dword [ebp - 0xc], 0x8000000
jmp 0x48a080
mov dword [ebp - 0x14], 5
jmp 0x48a016
test al, 0x10
je 0x48a080
or dword [ebp - 0xc], 0x10000000
call fcn.00488932
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48a0a6
call fcn.00474ea4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00474e91
mov dword [eax], 0x18
jmp 0x48a134
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 0x48a140
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48a10c
test byte [ebp + 0x10], 1
je 0x48a10c
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 0x48a140
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4f63c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00474eb7
pop ecx
call fcn.00474e91
mov eax, dword [eax]
jmp 0x48a5cd
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48a191
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4f63c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00474eb7
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48a134
call fcn.00474e91
mov dword [eax], 0xd
jmp 0x48a134
cmp eax, 2
jne 0x48a19c
or byte [ebp - 1], 0x40
jmp 0x48a1a5
cmp eax, 3
jne 0x48a1a5
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00488701
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4f63c0]
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 + 0x4f63c0]
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 0x48a27a
test cl, 0x80
je 0x48a34a
test byte [ebp + 0x10], 2
je 0x48a27a
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0047dfb7
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48a239
call fcn.00474ea4
cmp dword [eax], 0x83
je 0x48a27a
push dword [esi]
call fcn.0047de2a
jmp 0x48a133
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0047cfe6
add esp, 0xc
test eax, eax
jne 0x48a26a
cmp byte [ebp - 4], 0x1a
jne 0x48a26a
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048cd55
add esp, 0xc
cmp eax, edi
je 0x48a22d
push ebx
push ebx
push dword [esi]
call fcn.0047dfb7
add esp, 0xc
cmp eax, edi
je 0x48a22d
test byte [ebp - 1], 0x80
je 0x48a34a
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48a2a2
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48a29f
or dword [ebp + 0x10], edi
jmp 0x48a2a2
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48a2ef
cmp eax, 0x10000
je 0x48a2db
cmp eax, 0x14000
je 0x48a2db
cmp eax, 0x20000
je 0x48a2e9
cmp eax, 0x24000
je 0x48a2e9
cmp eax, 0x40000
je 0x48a2d5
cmp eax, 0x44000
jne 0x48a2f2
mov byte [ebp - 2], 1
jmp 0x48a2f2
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48a2f2
mov byte [ebp - 2], 2
jmp 0x48a2f2
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48a34a
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48a34a
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48a4a4
cmp eax, 0x80000000
je 0x48a46b
cmp eax, ecx
jne 0x48a34a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48a34a
cmp eax, 2
jbe 0x48a54c
cmp eax, 4
jbe 0x48a43d
cmp eax, 5
je 0x48a54c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f63c0]
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 + 0x4f63c0]
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 0x48a3bc
test byte [ebp + 0x10], 8
je 0x48a3bc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f63c0]
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 0x48a5cb
test byte [ebp + 0x10], 1
je 0x48a5cb
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 0x48a5b4
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00474eb7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f63c0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048877e
pop ecx
jmp 0x48a133
push 2
push ebx
push ebx
push dword [esi]
call fcn.00483272
add esp, 0x10
or eax, edx
je 0x48a54c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00483272
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48a22d
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0047cfe6
add esp, 0xc
cmp eax, 0xffffffff
je 0x48a22d
cmp eax, 2
je 0x48a4f0
cmp eax, 3
jne 0x48a53e
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48a4f0
mov byte [ebp - 2], 1
jmp 0x48a34a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48a34a
cmp eax, 2
jbe 0x48a54c
cmp eax, 4
ja 0x48a341
push 2
push ebx
push ebx
push dword [esi]
call fcn.00483272
add esp, 0x10
or eax, edx
je 0x48a54c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00483272
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48a34a
jmp 0x48a22d
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48a518
push dword [esi]
call fcn.0047de2a
pop ecx
call fcn.00474e91
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48a5cd
cmp eax, 0xfeff
jne 0x48a53e
push ebx
push 2
push dword [esi]
call fcn.0047dfb7
add esp, 0xc
cmp eax, 0xffffffff
je 0x48a22d
mov byte [ebp - 2], 2
jmp 0x48a34a
push ebx
push ebx
push dword [esi]
call fcn.0047dfb7
add esp, 0xc
jmp 0x48a4e2
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48a56c
dec eax
jne 0x48a34a
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48a57a
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.004839d4
add esp, 0xc
cmp eax, 0xffffffff
je 0x48a5a0
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48a57a
jmp 0x48a34a
push dword [esi]
call fcn.0047de2a
pop ecx
call fcn.00474e91
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48a5cd
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f63c0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret