Backdoor

recreating known universal windows password backdoors with Frida

23 April 2019 ~15 min By Leon Jacobs
Backdoor Frida Lsass Windows Password
I have been actively using Frida for little over a year now, but primarily on mobile devices while building the objection toolkit. My interest in using it on other platforms has been growing, and I decided to play with it on Windows to get a feel. I needed an objective, and decided to try port a well-known local Windows password backdoor to Frida. This post is mostly about the process…

USaBUSe Linux updates

10 March 2017 ~5 min By Rogan Dawes
Abuse Backdoor Build-It Conferences Empire Exploit Hardware Internals Linux Metasploit Programming Real-World Research Shells Tunnelling
(If you’re new to this project, read the intro first) For the past few months, I’ve been working on porting the USaBUSe stack from the custom hardware (AVR+ESP8266) to the Linux USB gadget stack. I wanted to make the techniques more accessible to people unfamiliar with embedded development, and I also wanted to take advantage of the variety of possibilities inherent in having a fully featured Linux environment to work…

Something about sudo, Kingcope and re-inventing the wheel

27 May 2013 ~4 min By george
Backdoor Fun Howto Infrastructure Internals Linux Local Post-Exploitation Shells Silly-Yammerings Tricks
Willems and I are currently on an internal assessment and have popped a couple hundred (thousand?) RHEL machines, which was trivial since they are all imaged. Anyhoo – long story short, we have a user which is allowed to make use of sudo for a few commands, such as reboot and service. I immediately thought it would be nice to turn this into a local root somehow. Service seemed promising…