Recent Posts



ICMP Tunnels – A Case Study

October 15, 2015

On a recent Pen Test project, we encountered a situation where the outbound traffic on the server was not allowed. Only ICMP (and DNS) traffic was allowed. In this blog post Shyam discusses how we manage to ex-filtrate the data over an ICMP tunnel. Just to set the scene, the… Read More

Remote code execution via PHP [Unserialize]

September 24, 2015

At NotSoSecure, we conduct Pen Test/ Code Reviews on a day-to-day basis and we recently came across an interesting piece of PHP code that could lead to RCE, but the exploitation was bit tricky. After spending some sleepless nights trying to break this code, we identified that both application and… Read More

How Cross-Site WebSocket Hijacking could lead to full Session Compromise

November 27, 2014

WebSockets is an HTML5 feature providing full-duplex communications channel over a single TCP connection. This enables building real-time applications by creating a persistent connection between the browser and the server. The most common use case for Websockets is when adding a chat functionality to a web application. This image below… Read More

Malware Analysis

October 16, 2014

Issue System Administrator finds a suspicious dll running named as “COM APPLICATION SUPPORT.DLL” and raises a security concern. Static Analysis We started the analysis by loading the file to check for any known packers. The output of the tool suggested against any such packers as shown below. Loading the file… Read More

Abusing Oracle's CREATE DATABASE LINK privilege for fun and profit!

July 8, 2014

Oracle database (like any other database) offers functionality to create a database link via which you can connect to a remote database. You can then run a SQL Query on the remote database and get the results. This is exactly like the Openrowset/Openquery feature of MS-SQL. CREATE DATABASE LINK local… Read More