Since yesterday’s challenge seems to have been a bit on the hard side, we’re adding a small musical innuendo to relax.
My friend Chris from Florida sent me this score. Enjoy! Is this what you call postmodern?…
On the sixth day of Christmas my true love sent to me…
six valid QRs,
five potential scrambles,
four orientation bottom and right,
and the rest has been said previously.
a printer
selbmarcs
Since I am not that much into rubik cubes, I tried the brute force method.…
Santa has thousands of Christmas balls in stock. They all look the same, but he can still tell them apart. Can you see the difference?
The first attempt so solving the challenge was to load the images into an editor and inspect them visually.…
One of the elves has unfortunately added a password to the last presents delivery and we cannot open it. The elf has taken a few days off after all the stress of the last weeks and is not available.…
I’ve received this note from a friend, who is a Chinese CTF player:
恭喜！收旗爲：ＨＶ２０｛獭慬氭敬敧慮琭扵瑴敲晬礭汯癥猭杲慳猭浵搭桯牳ｅ｝
Unfortunately, Google Translate wasn’t of much help:
I suspect the data has somehow been messed up while transmitting it.
Sadly, I can’t ask my friend about more details.
Welcome to this year’s HACKvent.
Attached you can find the “Official” invitation to the HackVent.
One of my very young Cyber Elves cut some parts of the card with his alpha scissors.
Have a great HACKvent,
– Santa
Those alpha scissors are clearly a hint.…
On the third day of christmas my true love sent to me…
three caesar salads,
two to (the) six basic arguments,
one quick response.
Sbopb 3 alkb! Lcc tfqe vlr! Dbq yxzh ql tloh!HACKVent is hacking-labs advent calendar, with a hacking (or “capture the flag”) challenge a day.
The challenges in the beginning are rather easy, but get more complicated and time consuming each day.
Since the CTF-challenges are still in progress, our write-ups will only be released after HACKVent ends, so don’t expect the links to work before January 1st, possibly later.…
For years I have used the “Open Calculator”-button on my keyboard as a hotkey to open KeePass. When I set up my new laptop, I wanted to configure KeePass to use my hotkey again – but it didn’t work anymore.
Read More »Use Unsupported Hotkeys in KeePassThe Microsoft Exchange Server 2010 writes all processes – before it enters them into its database – in “transaction logs”. From these logs, the entire database can therefore be reconstructed in the event of damage. But I don’t want to go into this in detail – if you are interested in this, you can read more about it here: link. The real problem is that these logs can eat a lot of memory over time. Read here how to free it.
Read More »Exchange 2010 Logs Eating Up Storage Space