Attacks against NTLMv1

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A while ago I saw a nice Tweet on how to create QR codes from the command shell. There using the command qrencode.

This command can be used to display a WiFi Password. With an iPhone or Android (10) you’re able to scan QR code and connect to Wifi.It is more comfortable than entering the password on a phone.

The string that will be placed within the QRcode needs to follow a specific format, here is an example for this:

qrencode -o - 'WIFI:T:WPA;S:MyNetworkName;P:ThisIsMyPassword;; ' |display

The command will generate the following QR code that can be used by a mobile device. Scanning it with the camera app will ask you to connect to the given Wifi:

Come up with excuses for why your company was breached

Home of the EICAR malware testfile

At Black Hat USA 2015 this summer (2015), I spoke about the danger in having Kerberos Unconstrained Delegation configured in the environment. When Active Directory was first released with Windows 2000 Server, Microsoft had to provide a simple mechanism to support scenarios where a user authenticates to a Web Server via Kerberos and needs to ...

“Basically the perfect ending to cybersecurity in 2021 is a 90s style Java vulnerability in an open source module, written by two volunteers with no funding, used by large cybersecurity vendors, undetected until Minecraft chat got pwned, where nobody knows how to respond properly.”