Compass Security Blog

Offensive Defense

Year: 2014 (page 1 of 2)

Vom Domäne Benutzer zum Domäne Administrator (exploit MS14-068)

Der von Microsoft publizierte “out-of-band” Patch MS14-068 [1] (Vulnerability in Kerberos Could Allow Elevation of Privilege – 3011780) behebt eine Schwachstelle in Kerberos, welche es einem normalen Benutzer erlaubt, administrative Privilegien in der Windows Domäne zu erlangen. Die ersten öffentlichen Artikel [2] mutmassten, dass die Kerberos Services den CRC32 Algorithmus als gütlige Signatur auf Tickets […]

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Presentation at BSidesVienna

On the last Saturday the 22nd of November, I attended BSidesVienna 2014 to deliver a talk about BurpSentinel. This tool is a Burp Suite extension giving better control over semi-automated requests sent to a given web application page. The presentation also covered aspects on automated Cross-Site Scripting and SQL injection detection. Despite talking early in the day (10 am), […]

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Keep your secrets really secret

Nowadays, we all relentlessly use search engines and developers extensively use version and source code control systems to keep track of their source code. Services such as Google or GitHub are great to search and retrieve information they gathered and stored. But when it comes to public indexing services, one big problem raises up: your whole […]

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Challenges in Log Management

Recently, SANS Institute has published the 9th log management survey (2014). The paper identifies strengths and weaknesses in log management systems and practices. It further provides advice to improve visibility across systems with proper log collection, normalization and analysis. Log management is very important to Compass as it heavily influences forensic investigations. Evidently, accurate information […]

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Forensic Investigation Kurs in Bern

Die Teilnehmer lernen die Grundlagen der forensichen Untersuchungen anhand eines fiktiven Hacker-Angriffs. Dazu startet das Seminar mit einem Szenario, welches Schritt für Schritt aufgeklärt werden soll. Dabei werden verschiedene Übungen mit unterschiedlichen Technologien und Systemen gemacht. Diesen November führt Compass Security das erste Mal in Bern den Forensic Investigation Kurs durch. Sind Sie an Computer […]

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Security Advisories for SAP BusinessObjects Explorer and neuroML

Compass Security employees identify and report on a regular basis security vulnerabilities as part of their daily assessments (or just out curiosity). Stefan Horlacher identified and reported back in June 2013 several flaws in SAP BusinessObjects Explorer. We’re happy to publish today the details as the flaws have been patched and a reasonable grace period […]

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Disabling Viewstate’s MAC: why you deserve having now a broken ASP.NET web application

Lots of things happened since my first (and unique) blog post about ASP.NET Viewstate and its related weakness. This blog post will not yet disclose all the details or contain tools to exploit applications, but give some ideas why it’s really mandatory to both correct your web applications and install the ASP.NET patch. Back in […]

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APT Detection Engine based on Splunk

Compass Security is working on an APT Detection Engine based on Splunk within the Hacking-Lab environment. Hacking-Lab is a remote training lab for cyber specialists, used by more then 22’000 users world-wide, run by Security Competence GmbH. An advanced persistent threat (APT) is a network attack in which an unauthorized person gains access to a network […]

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BurpSentinel on Darknet

Compass Security is developing security tools on regular basis. I for myself created a plugin/extension for Burp Intercepting Proxy called BurpSentinel. It can makes some tedious manual testing more automated, and helps identifying security vulnerabilities in web applications like XSS weaknesses or SQL injections. Compared to fully automated scanners (like the one already integrated into Burp), it has […]

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Blackhat and DEF CON USA 2014

Black Hat USA in Las Vegas is one of the biggest IT security conferences in the world. Every year, thousands of security-interested people attend the conference that is held in the infamous Mandala Bay, in the heart of Las Vegas. And as every year, two security analysts of Compass have participated the conference to learn […]

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