1. Background A couple of months ago we had the opportunity to take a closer look at a FireEye AX 5400 malware analysis appliance. The systems of FireEye are famous for catching targeted attacks that tend to evade traditional security systems, so we were really excited to find out more...
2014-07-28 — 3 minute readWe worked for a big company in Hungary and there were some HP-UX targets. I got local user access easily to the servers but the operating system was HP-UX 11.31 without public privilege escalation sploit. This is not a big deal, this happens very often. I checked the backups, the...
2014-06-25 — 2 minute readAnalyzing the security of security software is one of my favorite research areas: it is always ironic to see software originally meant to protect your systems open a gaping door for the attackers. Earlier this year I stumbled upon the OfficeScan security suite by Trend Micro, a probably lesser known...
2014-06-06 — 11 minute readDuring a VPN testing project we looked a bit deeper into the security vulnerability caused by ISAKMP aggressive mode. To put things simple, the important fact for us is that assuming pre-shared key authentication and possession of a valid userid makes it possible to obtain the valid encrypted PSK. During...
2014-04-17 — 3 minute readLast week I had an Android application that I wanted to test in the Android emulator (the official one included in the SDK). I had the application installed from Play Store on a physical device, and as I’ve done many times, I just grabbed it using Drozer and issued the...
2014-04-04 — 4 minute readOWASP Top 10 doesn’t need an introduction: it’s certainly the most well-known project of the Open Web Application Security Project (OWASP), referenced by every single presentation, paper, brochure and blog post that is at least slightly related to web application security. But unfortunately, according to my experiences, most of the...
2014-03-31 — 6 minute readDuring one of our internal network penetration testings, I focused on the network devices. The customer had 3Com/HP switches. Little portscan with NSE revealed that the switches used default SNMP community strings (public and private)! I checked SNMP problems affecting 3Com/HP switches; there was a really interesting issue: 3Com, HP,...
2014-03-14 — 1 minute readSanitizing input (as in trying to remove a subset of user input so that the remaining parts become “safe”) is hard to get right in itself. However, many developers doom their protection in the first place by choosing the wrong tool to get it done, in this case, regular expressions...
2014-03-07 — 6 minute read