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Metasploit Meterpreter and NAT
Professional pentesters typically use a host that is connected directly to the internet, has a public IP address, and is not hindered by any firewalls or NAT devices to perform their audit. Hacking “naked” is considered to be the easiest way to perform a penetration test that involves getting shells back. Not everyone has the […]
A chain is only as strong as its weakest link – DNS Hijack Monitoring
It doesn’t really matter how much time your developers have spent writing secure code and how many layers of security you have implemented to protect your website from being hacked and defaced. Recent incidents have demonstrated that the bad guys will simply look for and find an easier way to hurt your business. Instead of […]
Using DBI for solving Reverse Engineering 101 – Newbie Contest from eLearnSecurity
Introduction Last weekend I had some time so I wanted to have a look at a reversing challenge which you can find here: https://www.ethicalhacker.net/features/special-events/reverse-engineering-101-newbie-contest-webcast-elearnsecurity Reverse Engineering 101 Contest Steps Get the exe to be hacked Break it open and start exploring. The only rule for the challenge is that it has to be solved by […]
Zabbix SQL Injection/RCE – CVE-2013-5743
Table of ContentsIntroductionDisclosure Timeline:Vendor DetailsVulnerability DetailsThe patch Leveraging SQL InjectionCool! We got Admin, now what?Code Execution Further Exploitation? Introduction First off, please do not throw a tomato at me since this is not the typical Windows binary exploit article that is posted on Corelan! During a recent a penetration test, I encountered a host running Zabbix, an […]
Corelan Logo Contest – The submissions
Hi all, As announced a couple of weeks ago, the Corelan Logo contest is now closed, which means we are no longer accepting new submissions. 3 people have submitted one or more designs: Design 1 Design 2 Design 3 Design 4 Design 5 Design 6 […]
Corelan Logo contest – Derbycon 2013
For the third year in a row, I’ll be teaching the Corelan Exploit Dev Bootcamp at Derbycon. If you were able to grab a ticket to the course, you can expect a true bootcamp-style, very hands-on course, spanning 2 (very long) days. I hope you are as excited about it as I am. For the […]
Root Cause Analysis – Integer Overflows
Table of ContentsForewordIntroductionAnalyzing the Crash DataIdentifying the Cause of ExceptionPage heapInitial analysisReversing the Faulty FunctionDetermining ExploitabilityChallengesPrerequisitesHeap BasicsLookaside ListsFreelistsPreventative Security MeasuresSafe-UnlinkingHeap CookiesApplication Specific ExploitationThoughts on This AttackGeneric Exploitation MethodsLookaside List OverwriteOverviewApplication Specific TechniqueWhy Not?Brett Moore: Wrecking Freelist[0] Since 2005Freelist[0] Insert AttackOverviewApplication Specific TechniqueWhy Not?Freelist[0] Searching AttackOverviewApplication Specific TechniqueWhy Not?ConclusionRecommended Reading Foreword Over the past few years, […]
BlackHatEU2013 – Day2 – DropSmack: How cloud synchronization services render your corporate firewall worthless
Jake Williams (@malwareJake) from CSR Group has more than a decade of experience with systems engineering, network defines, malware reverse engineering, penetration testing and forensics. He spent some good time looking at Cloud synchronization services and is presenting some findings in this talks. First of all, think of Dropbox (or any similar tools) as a […]
BlackHatEU2013 – Day2 – Advanced Heap Manipulation in Windows 8
Good afternoon everyone, The next talk I will be covering today is presented by Zhenhua ‘Eric’ Liu, Senior Security researcher at Fortinet. Why doing this type of research. Facts : Exploiting memory corruption vulnerabilities are more difficult today, because of OS security improvements and Sandboxing techniques implemented into various applications. Bypassing sandboxes often rely […]
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