Function at 0x56aaec
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 0x56ab1b
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x56ab25
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.005457f3
test eax, eax
pop ecx
je 0x56ab40
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00541595
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0054c580
test eax, eax
pop ecx
je 0x56ab5b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00541595
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x56ab78
test ecx, 0x74000
jne 0x56ab74
cmp dword [ebp - 0x24], eax
je 0x56ab78
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x56abd2
dec eax
je 0x56abbc
dec eax
je 0x56abb7
call fcn.0054b6c6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0054b6b3
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.005416c9
add esp, 0x14
jmp 0x56b184
mov dword [ebp - 8], edx
jmp 0x56abd5
test cl, 8
je 0x56abc9
test ecx, 0x70000
jne 0x56abb7
mov dword [ebp - 8], 0x40000000
jmp 0x56abd5
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x56ac16
sub eax, ecx
je 0x56ac0d
sub eax, ecx
je 0x56ac04
sub eax, ecx
je 0x56abfb
sub eax, 0x40
jne 0x56ab91
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x56ac19
mov dword [ebp - 0x10], 3
jmp 0x56ac19
mov dword [ebp - 0x10], 2
jmp 0x56ac19
mov dword [ebp - 0x10], 1
jmp 0x56ac19
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 0x56ac6c
je 0x56ac63
cmp eax, ebx
je 0x56ac63
cmp eax, edi
je 0x56ac5a
cmp eax, 0x200
je 0x56acdf
cmp eax, 0x300
jne 0x56ab91
mov dword [ebp - 0x14], 2
jmp 0x56ac89
mov dword [ebp - 0x14], 4
jmp 0x56ac89
mov dword [ebp - 0x14], 3
jmp 0x56ac89
cmp eax, 0x500
je 0x56ac82
cmp eax, 0x600
je 0x56acdf
cmp eax, edx
jne 0x56ab91
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x56acad
mov ecx, dword [0x611090]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x56acad
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x56acc9
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x56acc9
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x56acd2
or dword [ebp - 0xc], edi
test al, 0x20
je 0x56ace8
or dword [ebp - 0xc], 0x8000000
jmp 0x56acf3
mov dword [ebp - 0x14], 5
jmp 0x56ac89
test al, 0x10
je 0x56acf3
or dword [ebp - 0xc], 0x10000000
call fcn.0054bf05
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x56ad19
call fcn.0054b6c6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0054b6b3
mov dword [eax], 0x18
jmp 0x56ada7
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 0x56adb3
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x56ad7f
test byte [ebp + 0x10], 1
je 0x56ad7f
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 0x56adb3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x611e00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0054b6d9
pop ecx
call fcn.0054b6b3
mov eax, dword [eax]
jmp 0x56b240
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x56ae04
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x611e00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0054b6d9
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x56ada7
call fcn.0054b6b3
mov dword [eax], 0xd
jmp 0x56ada7
cmp eax, 2
jne 0x56ae0f
or byte [ebp - 1], 0x40
jmp 0x56ae18
cmp eax, 3
jne 0x56ae18
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0054bcd4
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x611e00]
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 + 0x611e00]
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 0x56aeed
test cl, 0x80
je 0x56afbd
test byte [ebp + 0x10], 2
je 0x56aeed
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0055e13d
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x56aeac
call fcn.0054b6c6
cmp dword [eax], 0x83
je 0x56aeed
push dword [esi]
call fcn.00556747
jmp 0x56ada6
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00557177
add esp, 0xc
test eax, eax
jne 0x56aedd
cmp byte [ebp - 4], 0x1a
jne 0x56aedd
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0057201d
add esp, 0xc
cmp eax, edi
je 0x56aea0
push ebx
push ebx
push dword [esi]
call fcn.0055e13d
add esp, 0xc
cmp eax, edi
je 0x56aea0
test byte [ebp - 1], 0x80
je 0x56afbd
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x56af15
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x56af12
or dword [ebp + 0x10], edi
jmp 0x56af15
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x56af62
cmp eax, 0x10000
je 0x56af4e
cmp eax, 0x14000
je 0x56af4e
cmp eax, 0x20000
je 0x56af5c
cmp eax, 0x24000
je 0x56af5c
cmp eax, 0x40000
je 0x56af48
cmp eax, 0x44000
jne 0x56af65
mov byte [ebp - 2], 1
jmp 0x56af65
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x56af65
mov byte [ebp - 2], 2
jmp 0x56af65
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x56afbd
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x56afbd
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x56b117
cmp eax, 0x80000000
je 0x56b0de
cmp eax, ecx
jne 0x56afbd
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x56afbd
cmp eax, 2
jbe 0x56b1bf
cmp eax, 4
jbe 0x56b0b0
cmp eax, 5
je 0x56b1bf
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x611e00]
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 + 0x611e00]
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 0x56b02f
test byte [ebp + 0x10], 8
je 0x56b02f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x611e00]
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 0x56b23e
test byte [ebp + 0x10], 1
je 0x56b23e
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 0x56b227
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0054b6d9
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x611e00]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0054bd51
pop ecx
jmp 0x56ada6
push 2
push ebx
push ebx
push dword [esi]
call fcn.0056989d
add esp, 0x10
or eax, edx
je 0x56b1bf
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0056989d
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x56aea0
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00557177
add esp, 0xc
cmp eax, 0xffffffff
je 0x56aea0
cmp eax, 2
je 0x56b163
cmp eax, 3
jne 0x56b1b1
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x56b163
mov byte [ebp - 2], 1
jmp 0x56afbd
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x56afbd
cmp eax, 2
jbe 0x56b1bf
cmp eax, 4
ja 0x56afb4
push 2
push ebx
push ebx
push dword [esi]
call fcn.0056989d
add esp, 0x10
or eax, edx
je 0x56b1bf
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0056989d
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x56afbd
jmp 0x56aea0
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x56b18b
push dword [esi]
call fcn.00556747
pop ecx
call fcn.0054b6b3
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x56b240
cmp eax, 0xfeff
jne 0x56b1b1
push ebx
push 2
push dword [esi]
call fcn.0055e13d
add esp, 0xc
cmp eax, 0xffffffff
je 0x56aea0
mov byte [ebp - 2], 2
jmp 0x56afbd
push ebx
push ebx
push dword [esi]
call fcn.0055e13d
add esp, 0xc
jmp 0x56b155
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x56b1df
dec eax
jne 0x56afbd
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x56b1ed
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.00556e9a
add esp, 0xc
cmp eax, 0xffffffff
je 0x56b213
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x56b1ed
jmp 0x56afbd
push dword [esi]
call fcn.00556747
pop ecx
call fcn.0054b6b3
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x56b240
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x611e00]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret