Function at 0x4a9163
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 0x4a9192
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a919c
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004a28e3
test eax, eax
pop ecx
je 0x4a91b7
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048f45f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00496f71
test eax, eax
pop ecx
je 0x4a91d2
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048f45f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a91ef
test ecx, 0x74000
jne 0x4a91eb
cmp dword [ebp - 0x24], eax
je 0x4a91ef
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a9249
dec eax
je 0x4a9233
dec eax
je 0x4a922e
call fcn.00496e97
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00496e84
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048f55b
add esp, 0x14
jmp 0x4a97fb
mov dword [ebp - 8], edx
jmp 0x4a924c
test cl, 8
je 0x4a9240
test ecx, 0x70000
jne 0x4a922e
mov dword [ebp - 8], 0x40000000
jmp 0x4a924c
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a928d
sub eax, ecx
je 0x4a9284
sub eax, ecx
je 0x4a927b
sub eax, ecx
je 0x4a9272
sub eax, 0x40
jne 0x4a9208
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a9290
mov dword [ebp - 0x10], 3
jmp 0x4a9290
mov dword [ebp - 0x10], 2
jmp 0x4a9290
mov dword [ebp - 0x10], 1
jmp 0x4a9290
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 0x4a92e3
je 0x4a92da
cmp eax, ebx
je 0x4a92da
cmp eax, edi
je 0x4a92d1
cmp eax, 0x200
je 0x4a9356
cmp eax, 0x300
jne 0x4a9208
mov dword [ebp - 0x14], 2
jmp 0x4a9300
mov dword [ebp - 0x14], 4
jmp 0x4a9300
mov dword [ebp - 0x14], 3
jmp 0x4a9300
cmp eax, 0x500
je 0x4a92f9
cmp eax, 0x600
je 0x4a9356
cmp eax, edx
jne 0x4a9208
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a9324
mov ecx, dword [0x4df3ec]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a9324
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a9340
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a9340
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a9349
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a935f
or dword [ebp - 0xc], 0x8000000
jmp 0x4a936a
mov dword [ebp - 0x14], 5
jmp 0x4a9300
test al, 0x10
je 0x4a936a
or dword [ebp - 0xc], 0x10000000
call fcn.00492baf
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a9390
call fcn.00496e97
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00496e84
mov dword [eax], 0x18
jmp 0x4a941e
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 0x4a942a
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a93f6
test byte [ebp + 0x10], 1
je 0x4a93f6
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 0x4a942a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4e14a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00496eaa
pop ecx
call fcn.00496e84
mov eax, dword [eax]
jmp 0x4a98b7
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a947b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4e14a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00496eaa
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a941e
call fcn.00496e84
mov dword [eax], 0xd
jmp 0x4a941e
cmp eax, 2
jne 0x4a9486
or byte [ebp - 1], 0x40
jmp 0x4a948f
cmp eax, 3
jne 0x4a948f
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0049297e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4e14a0]
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 + 0x4e14a0]
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 0x4a9564
test cl, 0x80
je 0x4a9634
test byte [ebp + 0x10], 2
je 0x4a9564
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0049f708
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a9523
call fcn.00496e97
cmp dword [eax], 0x83
je 0x4a9564
push dword [esi]
call fcn.0049f225
jmp 0x4a941d
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0049eb67
add esp, 0xc
test eax, eax
jne 0x4a9554
cmp byte [ebp - 4], 0x1a
jne 0x4a9554
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00492595
add esp, 0xc
cmp eax, edi
je 0x4a9517
push ebx
push ebx
push dword [esi]
call fcn.0049f708
add esp, 0xc
cmp eax, edi
je 0x4a9517
test byte [ebp - 1], 0x80
je 0x4a9634
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a958c
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a9589
or dword [ebp + 0x10], edi
jmp 0x4a958c
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a95d9
cmp eax, 0x10000
je 0x4a95c5
cmp eax, 0x14000
je 0x4a95c5
cmp eax, 0x20000
je 0x4a95d3
cmp eax, 0x24000
je 0x4a95d3
cmp eax, 0x40000
je 0x4a95bf
cmp eax, 0x44000
jne 0x4a95dc
mov byte [ebp - 2], 1
jmp 0x4a95dc
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a95dc
mov byte [ebp - 2], 2
jmp 0x4a95dc
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a9634
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a9634
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a978e
cmp eax, 0x80000000
je 0x4a9755
cmp eax, ecx
jne 0x4a9634
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a9634
cmp eax, 2
jbe 0x4a9836
cmp eax, 4
jbe 0x4a9727
cmp eax, 5
je 0x4a9836
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e14a0]
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 + 0x4e14a0]
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 0x4a96a6
test byte [ebp + 0x10], 8
je 0x4a96a6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e14a0]
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 0x4a98b5
test byte [ebp + 0x10], 1
je 0x4a98b5
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 0x4a989e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00496eaa
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e14a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004929fb
pop ecx
jmp 0x4a941d
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a2917
add esp, 0x10
or eax, edx
je 0x4a9836
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a2917
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a9517
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0049eb67
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a9517
cmp eax, 2
je 0x4a97da
cmp eax, 3
jne 0x4a9828
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a97da
mov byte [ebp - 2], 1
jmp 0x4a9634
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a9634
cmp eax, 2
jbe 0x4a9836
cmp eax, 4
ja 0x4a962b
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a2917
add esp, 0x10
or eax, edx
je 0x4a9836
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a2917
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a9634
jmp 0x4a9517
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a9802
push dword [esi]
call fcn.0049f225
pop ecx
call fcn.00496e84
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a98b7
cmp eax, 0xfeff
jne 0x4a9828
push ebx
push 2
push dword [esi]
call fcn.0049f708
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a9517
mov byte [ebp - 2], 2
jmp 0x4a9634
push ebx
push ebx
push dword [esi]
call fcn.0049f708
add esp, 0xc
jmp 0x4a97cc
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a9856
dec eax
jne 0x4a9634
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a9864
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.004a2218
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a988a
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a9864
jmp 0x4a9634
push dword [esi]
call fcn.0049f225
pop ecx
call fcn.00496e84
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a98b7
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e14a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret