Function at 0x4a6d20
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 0x4a6d4f
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a6d59
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004a839f
test eax, eax
pop ecx
je 0x4a6d74
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048a586
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00498ae5
test eax, eax
pop ecx
je 0x4a6d8f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048a586
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a6dac
test ecx, 0x74000
jne 0x4a6da8
cmp dword [ebp - 0x24], eax
je 0x4a6dac
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a6e06
dec eax
je 0x4a6df0
dec eax
je 0x4a6deb
call fcn.0048d98e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048d97b
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048a682
add esp, 0x14
jmp 0x4a73b8
mov dword [ebp - 8], edx
jmp 0x4a6e09
test cl, 8
je 0x4a6dfd
test ecx, 0x70000
jne 0x4a6deb
mov dword [ebp - 8], 0x40000000
jmp 0x4a6e09
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a6e4a
sub eax, ecx
je 0x4a6e41
sub eax, ecx
je 0x4a6e38
sub eax, ecx
je 0x4a6e2f
sub eax, 0x40
jne 0x4a6dc5
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a6e4d
mov dword [ebp - 0x10], 3
jmp 0x4a6e4d
mov dword [ebp - 0x10], 2
jmp 0x4a6e4d
mov dword [ebp - 0x10], 1
jmp 0x4a6e4d
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 0x4a6ea0
je 0x4a6e97
cmp eax, ebx
je 0x4a6e97
cmp eax, edi
je 0x4a6e8e
cmp eax, 0x200
je 0x4a6f13
cmp eax, 0x300
jne 0x4a6dc5
mov dword [ebp - 0x14], 2
jmp 0x4a6ebd
mov dword [ebp - 0x14], 4
jmp 0x4a6ebd
mov dword [ebp - 0x14], 3
jmp 0x4a6ebd
cmp eax, 0x500
je 0x4a6eb6
cmp eax, 0x600
je 0x4a6f13
cmp eax, edx
jne 0x4a6dc5
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a6ee1
mov ecx, dword [0x4db8f4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a6ee1
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a6efd
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a6efd
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a6f06
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a6f1c
or dword [ebp - 0xc], 0x8000000
jmp 0x4a6f27
mov dword [ebp - 0x14], 5
jmp 0x4a6ebd
test al, 0x10
je 0x4a6f27
or dword [ebp - 0xc], 0x10000000
call fcn.004a5cc0
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a6f4d
call fcn.0048d98e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048d97b
mov dword [eax], 0x18
jmp 0x4a6fdb
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 0x4a6fe7
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a6fb3
test byte [ebp + 0x10], 1
je 0x4a6fb3
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 0x4a6fe7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dd140]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0048d9a1
pop ecx
call fcn.0048d97b
mov eax, dword [eax]
jmp 0x4a7474
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x4a7038
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dd140]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.0048d9a1
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x4a6fdb
call fcn.0048d97b
mov dword [eax], 0xd
jmp 0x4a6fdb
cmp eax, 2
jne 0x4a7043
or byte [ebp - 1], 0x40
jmp 0x4a704c
cmp eax, 3
jne 0x4a704c
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004a5a8f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4dd140]
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 + 0x4dd140]
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 0x4a7121
test cl, 0x80
je 0x4a71f1
test byte [ebp + 0x10], 2
je 0x4a7121
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0049f989
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a70e0
call fcn.0048d98e
cmp dword [eax], 0x83
je 0x4a7121
push dword [esi]
call fcn.0049dc6e
jmp 0x4a6fda
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0049d583
add esp, 0xc
test eax, eax
jne 0x4a7111
cmp byte [ebp - 4], 0x1a
jne 0x4a7111
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004a812f
add esp, 0xc
cmp eax, edi
je 0x4a70d4
push ebx
push ebx
push dword [esi]
call fcn.0049f989
add esp, 0xc
cmp eax, edi
je 0x4a70d4
test byte [ebp - 1], 0x80
je 0x4a71f1
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a7149
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a7146
or dword [ebp + 0x10], edi
jmp 0x4a7149
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a7196
cmp eax, 0x10000
je 0x4a7182
cmp eax, 0x14000
je 0x4a7182
cmp eax, 0x20000
je 0x4a7190
cmp eax, 0x24000
je 0x4a7190
cmp eax, 0x40000
je 0x4a717c
cmp eax, 0x44000
jne 0x4a7199
mov byte [ebp - 2], 1
jmp 0x4a7199
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a7199
mov byte [ebp - 2], 2
jmp 0x4a7199
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a71f1
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a71f1
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a734b
cmp eax, 0x80000000
je 0x4a7312
cmp eax, ecx
jne 0x4a71f1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a71f1
cmp eax, 2
jbe 0x4a73f3
cmp eax, 4
jbe 0x4a72e4
cmp eax, 5
je 0x4a73f3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd140]
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 + 0x4dd140]
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 0x4a7263
test byte [ebp + 0x10], 8
je 0x4a7263
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd140]
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 0x4a7472
test byte [ebp + 0x10], 1
je 0x4a7472
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 0x4a745b
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0048d9a1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd140]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004a5b0c
pop ecx
jmp 0x4a6fda
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a2a8c
add esp, 0x10
or eax, edx
je 0x4a73f3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a2a8c
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a70d4
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0049d583
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a70d4
cmp eax, 2
je 0x4a7397
cmp eax, 3
jne 0x4a73e5
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a7397
mov byte [ebp - 2], 1
jmp 0x4a71f1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a71f1
cmp eax, 2
jbe 0x4a73f3
cmp eax, 4
ja 0x4a71e8
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a2a8c
add esp, 0x10
or eax, edx
je 0x4a73f3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a2a8c
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a71f1
jmp 0x4a70d4
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a73bf
push dword [esi]
call fcn.0049dc6e
pop ecx
call fcn.0048d97b
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a7474
cmp eax, 0xfeff
jne 0x4a73e5
push ebx
push 2
push dword [esi]
call fcn.0049f989
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a70d4
mov byte [ebp - 2], 2
jmp 0x4a71f1
push ebx
push ebx
push dword [esi]
call fcn.0049f989
add esp, 0xc
jmp 0x4a7389
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a7413
dec eax
jne 0x4a71f1
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a7421
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.004a0da7
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a7447
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a7421
jmp 0x4a71f1
push dword [esi]
call fcn.0049dc6e
pop ecx
call fcn.0048d97b
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a7474
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd140]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret