Collaborate Disseminate
I need to write a Python script to occasionally encrypt some small text files (~10 Kb)
in order to store them in an insecure environment.
Each file will be encrypted via unique symmetric key and AES 256 CTR cipher.
The key and CTR nonce wi… Continue reading File encryption with Python and AES
I’m a junior penetration tester and recently went into the client’s office in order to test an internal server of theirs.
They gave me their laptop with Windows installed that is connected to the AD domain and the laptop had… Continue reading Setting up a virtual machine in a client’s environment
I’ve recently started working as a security auditor and my mentor gave me some homework to write an Ubuntu security audit script so that I’ll get to learn to use batch scripting and understand auditing in depth.
I got to the… Continue reading Security auditing – disabling IP forwarding and ICMP packets redirects
I just started my job as a penetration tester.
Me and my mentor got to the client’s office and our first order of business was to bypass the NAC system.
Searching for a printer or other similar devices was our first priority… Continue reading NAC bypass with MAC spoofing
Lately, there is a start up company in Israel called Initiative Q and currently it gives out coins (that are similar to bitcoin but they don’t run on Blockchain technology) in order to advertise their services. (afterwards, t… Continue reading Can I get malicious malware in my computer or any kinds of virus by registering through Google/Facebook to a specifc site?
List of user:hash published? Same password for web and local (os…)?
Phishing?
Continue reading What are the most frequent ways someone’s password "leaks"? [on hold]
If I understood well its functioning, the card send an ID (NFC tag) if it has received a correct encryption key.
Probably by the reader?
So it must be possible to attack the reader instead of the card, wouldn’t it?
Continue reading Is there a way to clone Mifare DESfire EV1 key sent by a NFC reader?
I have a task to extract watermark itself from a highly complex image. Below there is an example. We have, say this image:
Then we have some watermark like this one which is either transparent or white(black added for vis… Continue reading How to extract watermark from an image