Function at 0x4a686b
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 0x4a689a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a68a4
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004a0ff1
test eax, eax
pop ecx
je 0x4a68bf
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048e04e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00493c3d
test eax, eax
pop ecx
je 0x4a68da
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048e04e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a68f7
test ecx, 0x74000
jne 0x4a68f3
cmp dword [ebp - 0x24], eax
je 0x4a68f7
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a6951
dec eax
je 0x4a693b
dec eax
je 0x4a6936
call fcn.00495133
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00495120
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048e14a
add esp, 0x14
jmp 0x4a6f03
mov dword [ebp - 8], edx
jmp 0x4a6954
test cl, 8
je 0x4a6948
test ecx, 0x70000
jne 0x4a6936
mov dword [ebp - 8], 0x40000000
jmp 0x4a6954
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a6995
sub eax, ecx
je 0x4a698c
sub eax, ecx
je 0x4a6983
sub eax, ecx
je 0x4a697a
sub eax, 0x40
jne 0x4a6910
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a6998
mov dword [ebp - 0x10], 3
jmp 0x4a6998
mov dword [ebp - 0x10], 2
jmp 0x4a6998
mov dword [ebp - 0x10], 1
jmp 0x4a6998
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 0x4a69eb
je 0x4a69e2
cmp eax, ebx
je 0x4a69e2
cmp eax, edi
je 0x4a69d9
cmp eax, 0x200
je 0x4a6a5e
cmp eax, 0x300
jne 0x4a6910
mov dword [ebp - 0x14], 2
jmp 0x4a6a08
mov dword [ebp - 0x14], 4
jmp 0x4a6a08
mov dword [ebp - 0x14], 3
jmp 0x4a6a08
cmp eax, 0x500
je 0x4a6a01
cmp eax, 0x600
je 0x4a6a5e
cmp eax, edx
jne 0x4a6910
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a6a2c
mov ecx, dword [0x4de2f4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a6a2c
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a6a48
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a6a48
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a6a51
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a6a67
or dword [ebp - 0xc], 0x8000000
jmp 0x4a6a72
mov dword [ebp - 0x14], 5
jmp 0x4a6a08
test al, 0x10
je 0x4a6a72
or dword [ebp - 0xc], 0x10000000
call fcn.00490d4b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a6a98
call fcn.00495133
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00495120
mov dword [eax], 0x18
jmp 0x4a6b26
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 0x4a6b32
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a6afe
test byte [ebp + 0x10], 1
je 0x4a6afe
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 0x4a6b32
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4df580]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00495146
pop ecx
call fcn.00495120
mov eax, dword [eax]
jmp 0x4a6fbf
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a6b83
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4df580]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00495146
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a6b26
call fcn.00495120
mov dword [eax], 0xd
jmp 0x4a6b26
cmp eax, 2
jne 0x4a6b8e
or byte [ebp - 1], 0x40
jmp 0x4a6b97
cmp eax, 3
jne 0x4a6b97
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00490b1a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4df580]
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 + 0x4df580]
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 0x4a6c6c
test cl, 0x80
je 0x4a6d3c
test byte [ebp + 0x10], 2
je 0x4a6c6c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0049a7e8
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a6c2b
call fcn.00495133
cmp dword [eax], 0x83
je 0x4a6c6c
push dword [esi]
call fcn.0049a3c7
jmp 0x4a6b25
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0049b7b1
add esp, 0xc
test eax, eax
jne 0x4a6c5c
cmp byte [ebp - 4], 0x1a
jne 0x4a6c5c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004905ce
add esp, 0xc
cmp eax, edi
je 0x4a6c1f
push ebx
push ebx
push dword [esi]
call fcn.0049a7e8
add esp, 0xc
cmp eax, edi
je 0x4a6c1f
test byte [ebp - 1], 0x80
je 0x4a6d3c
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a6c94
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a6c91
or dword [ebp + 0x10], edi
jmp 0x4a6c94
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a6ce1
cmp eax, 0x10000
je 0x4a6ccd
cmp eax, 0x14000
je 0x4a6ccd
cmp eax, 0x20000
je 0x4a6cdb
cmp eax, 0x24000
je 0x4a6cdb
cmp eax, 0x40000
je 0x4a6cc7
cmp eax, 0x44000
jne 0x4a6ce4
mov byte [ebp - 2], 1
jmp 0x4a6ce4
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a6ce4
mov byte [ebp - 2], 2
jmp 0x4a6ce4
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a6d3c
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a6d3c
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a6e96
cmp eax, 0x80000000
je 0x4a6e5d
cmp eax, ecx
jne 0x4a6d3c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a6d3c
cmp eax, 2
jbe 0x4a6f3e
cmp eax, 4
jbe 0x4a6e2f
cmp eax, 5
je 0x4a6f3e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4df580]
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 + 0x4df580]
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 0x4a6dae
test byte [ebp + 0x10], 8
je 0x4a6dae
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4df580]
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 0x4a6fbd
test byte [ebp + 0x10], 1
je 0x4a6fbd
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 0x4a6fa6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00495146
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4df580]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00490b97
pop ecx
jmp 0x4a6b25
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a1025
add esp, 0x10
or eax, edx
je 0x4a6f3e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a1025
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a6c1f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0049b7b1
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a6c1f
cmp eax, 2
je 0x4a6ee2
cmp eax, 3
jne 0x4a6f30
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a6ee2
mov byte [ebp - 2], 1
jmp 0x4a6d3c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a6d3c
cmp eax, 2
jbe 0x4a6f3e
cmp eax, 4
ja 0x4a6d33
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a1025
add esp, 0x10
or eax, edx
je 0x4a6f3e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a1025
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a6d3c
jmp 0x4a6c1f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a6f0a
push dword [esi]
call fcn.0049a3c7
pop ecx
call fcn.00495120
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a6fbf
cmp eax, 0xfeff
jne 0x4a6f30
push ebx
push 2
push dword [esi]
call fcn.0049a7e8
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a6c1f
mov byte [ebp - 2], 2
jmp 0x4a6d3c
push ebx
push ebx
push dword [esi]
call fcn.0049a7e8
add esp, 0xc
jmp 0x4a6ed4
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a6f5e
dec eax
jne 0x4a6d3c
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a6f6c
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.004a0d78
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a6f92
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a6f6c
jmp 0x4a6d3c
push dword [esi]
call fcn.0049a3c7
pop ecx
call fcn.00495120
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a6fbf
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4df580]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret