Function at 0x678f00
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 0x678f2f
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x678f39
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0067f347
test eax, eax
pop ecx
je 0x678f54
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00654cba
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.006597a4
test eax, eax
pop ecx
je 0x678f6f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00654cba
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x678f8c
test ecx, 0x74000
jne 0x678f88
cmp dword [ebp - 0x24], eax
je 0x678f8c
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, bind
je 0x678fe6
dec eax
je 0x678fd0
dec eax
je 0x678fcb
call fcn.0065dbce
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0065dbbb
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00654dee
add esp, 0x14
jmp 0x679598
mov dword [ebp - 8], edx
jmp 0x678fe9
test cl, 8
je 0x678fdd
test ecx, 0x70000
jne 0x678fcb
mov dword [ebp - 8], 0x40000000
jmp 0x678fe9
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x67902a
sub eax, ecx
je 0x679021
sub eax, ecx
je 0x679018
sub eax, ecx
je 0x67900f
sub eax, 0x40
jne 0x678fa5
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x67902d
mov dword [ebp - 0x10], 3
jmp 0x67902d
mov dword [ebp - 0x10], 2
jmp 0x67902d
mov dword [ebp - 0x10], 1
jmp 0x67902d
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 0x679080
je 0x679077
cmp eax, ebx
je 0x679077
cmp eax, edi
je 0x67906e
cmp eax, 0x200
je 0x6790f3
cmp eax, 0x300
jne 0x678fa5
mov dword [ebp - 0x14], 2
jmp 0x67909d
mov dword [ebp - 0x14], 4
jmp 0x67909d
mov dword [ebp - 0x14], 3
jmp 0x67909d
cmp eax, 0x500
je 0x679096
cmp eax, 0x600
je 0x6790f3
cmp eax, edx
jne 0x678fa5
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x6790c1
mov ecx, dword [0x7d2d3c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x6790c1
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x6790dd
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x6790dd
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x6790e6
or dword [ebp - 0xc], edi
test al, 0x20
je 0x6790fc
or dword [ebp - 0xc], 0x8000000
jmp 0x679107
mov dword [ebp - 0x14], 5
jmp 0x67909d
test al, 0x10
je 0x679107
or dword [ebp - 0xc], 0x10000000
call fcn.00656551
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x67912d
call fcn.0065dbce
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0065dbbb
mov dword [eax], 0x18
jmp 0x6791bb
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 0x6791c7
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x679193
test byte [ebp + 0x10], 1
je 0x679193
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 0x6791c7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x7d3880]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0065dbe1
pop ecx
call fcn.0065dbbb
mov eax, dword [eax]
jmp 0x679654
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x679218
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x7d3880]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0065dbe1
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x6791bb
call fcn.0065dbbb
mov dword [eax], 0xd
jmp 0x6791bb
cmp eax, 2
jne 0x679223
or byte [ebp - 1], 0x40
jmp 0x67922c
cmp eax, 3
jne 0x67922c
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00656320
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x7d3880]
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 + 0x7d3880]
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 0x679301
test cl, 0x80
je 0x6793d1
test byte [ebp + 0x10], 2
je 0x679301
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00667b3b
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x6792c0
call fcn.0065dbce
cmp dword [eax], 0x83
je 0x679301
push dword [esi]
call fcn.00664183
jmp 0x6791ba
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00679bd6
add esp, 0xc
test eax, eax
jne 0x6792f1
cmp byte [ebp - 4], 0x1a
jne 0x6792f1
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0067ef8c
add esp, 0xc
cmp eax, edi
je 0x6792b4
push ebx
push ebx
push dword [esi]
call fcn.00667b3b
add esp, 0xc
cmp eax, edi
je 0x6792b4
test byte [ebp - 1], 0x80
je 0x6793d1
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x679329
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x679326
or dword [ebp + 0x10], edi
jmp 0x679329
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x679376
cmp eax, 0x10000
je 0x679362
cmp eax, 0x14000
je 0x679362
cmp eax, 0x20000
je 0x679370
cmp eax, 0x24000
je 0x679370
cmp eax, 0x40000
je 0x67935c
cmp eax, 0x44000
jne 0x679379
mov byte [ebp - 2], 1
jmp 0x679379
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x679379
mov byte [ebp - 2], 2
jmp 0x679379
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x6793d1
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x6793d1
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x67952b
cmp eax, 0x80000000
je 0x6794f2
cmp eax, ecx
jne 0x6793d1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x6793d1
cmp eax, 2
jbe 0x6795d3
cmp eax, 4
jbe 0x6794c4
cmp eax, 5
je 0x6795d3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x7d3880]
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 + 0x7d3880]
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 0x679443
test byte [ebp + 0x10], 8
je 0x679443
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x7d3880]
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 0x679652
test byte [ebp + 0x10], 1
je 0x679652
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 0x67963b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0065dbe1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x7d3880]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0065639d
pop ecx
jmp 0x6791ba
push 2
push ebx
push ebx
push dword [esi]
call fcn.006775b7
add esp, 0x10
or eax, edx
je 0x6795d3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.006775b7
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x6792b4
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00679bd6
add esp, 0xc
cmp eax, 0xffffffff
je 0x6792b4
cmp eax, 2
je 0x679577
cmp eax, 3
jne 0x6795c5
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x679577
mov byte [ebp - 2], 1
jmp 0x6793d1
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x6793d1
cmp eax, 2
jbe 0x6795d3
cmp eax, 4
ja 0x6793c8
push 2
push ebx
push ebx
push dword [esi]
call fcn.006775b7
add esp, 0x10
or eax, edx
je 0x6795d3
push ebx
push ebx
push ebx
push dword [esi]
call fcn.006775b7
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x6793d1
jmp 0x6792b4
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x67959f
push dword [esi]
call fcn.00664183
pop ecx
call fcn.0065dbbb
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x679654
cmp eax, 0xfeff
jne 0x6795c5
push ebx
push 2
push dword [esi]
call fcn.00667b3b
add esp, 0xc
cmp eax, 0xffffffff
je 0x6792b4
mov byte [ebp - 2], 2
jmp 0x6793d1
push ebx
push ebx
push dword [esi]
call fcn.00667b3b
add esp, 0xc
jmp 0x679569
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x6795f3
dec eax
jne 0x6793d1
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x679601
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.00661d35
add esp, 0xc
cmp eax, 0xffffffff
je 0x679627
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x679601
jmp 0x6793d1
push dword [esi]
call fcn.00664183
pop ecx
call fcn.0065dbbb
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x679654
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x7d3880]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret