Archive | March, 2011

Dutch Court Rules Wi-Fi Hacking Legal In Holland

Keep on Guard!


Interesting case and a very interesting interpretation of the laws of Holland which lead to this decision which means the Dutch can hack in Wireless routers legally.

We published a story about the ethics of jacking open Wi-Fi connections way back in 2006, when a supposed ethics expert said it was ok: Jacking Wifi is ‘OK’ say Ethics Expert.

The main differentiation being that a router isn’t a computer and as long as the intruder doesn’t access any of the computers on the internal network – he’s within the law.

A Dutch court has ruled that hacking into Wi-Fi connections is not a crime providing any connected computers remain untouched. However Wi-Fi freeloaders would still lay themselves open to civil proceedings.

The unusual ruling came in the case of a student who threatened a shooting rampage against staff at students at Maerlant College in The Hague. The threat was posted on 4chan, the notoriously anarchic internet image board, after the student broke into a secure Wi-Fi connection. The unnamed student was caught and convicted of posting the message but acquitted on the hacking charge. The miscreant was sentenced to 120 hours of community service.

It seems like somehow 4chan was involved in this case and perhaps the Anonymous bunch too.

The interesting part for me is their definition of a computer and the part where the router falls down, they define it as a machine involved in the “storage, processing and transmission of data”. That sounds like a definition of a router to me, but for them – the router only stores the data in a transient matter as long as it needs to carry out its current task.


Reports are vague on how the student hacker was tracked down, but it may well be that the denizens of 4chan got the ball rolling by reporting the threats to police, something that happened in a similar school massacre threat case in Michigan back in February.

The Netherlands has a computer hacking law that dates from the early 1990s and defines a computer as a machine involved in the “storage, processing and transmission of data”. Since a router is not used to store data, a judge reasoned, it fails to qualify as a computer – and thus the computer hacking law isn’t applicable. The ruling, which surprised legal observers in The Netherlands, means that piggy-backing (or leeching) open wireless networks is not a crime: though civil proceedings against leechers would still be possible, so a free-for-all is unlikely.

Most countries have laws the apply to hacking into computer networks as well as computers but not, it would seem, The Netherlands. The Dutch attorney general has decided to appeal the verdict in the case, a process that may take several months.

Of course any wannabe Wi-Fi hackers in Holland are still open to civil proceedings from jacking connections, that’s if the person can show some negative effect to their livelihood or business.

And yah I also find it odd that the Dutch laws only cover computers and not networks or networking equipment. It means you’re pretty much open to hack anything you like as long as it’s not a computer (printers, telephones, faxes, routers, firewalls, proxies etc).

Source: The Register

Posted in: Legal Issues, Wireless Hacking

Topic: Legal Issues, Wireless Hacking


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Wophcrack – Web Based Interface For Ophcrack Password Cracking Tool

Keep on Guard!


I’m assuming everyone reading already knows about Ophcrack – the awesome time/memory trade-off password cracker.

Well here is a nifty web-based interface for it. Rainbow Tables are really useful when cracking password hashes, but one major disadvantage of these tables is their size which can be hundreds of gigs for complex tables. The author thought it would be extremely useful to have a personal web interface for your rainbow tables which you can access from anywhere on the web anywhere without having to carry the large tables with you everywhere you go. And well here we are, Wophcrack (Web)Ophcrack.

Wophcrack - Web Interface for Ophcrack

When cracking LM or NTLM hashes Ophcrack is a great tool as we discussed recently, it provides both a GUI and CLI options along with some free and paid tables. The author basically wrote a quick and dirty PHP based web frontend for Ophcrack.

Wophcrack was designed to work on Backtrack 4 R2, Although it can be install on any Linux distribution with some small adjustments, Wophcrack can also easily edited to support Rainbow Crack.

You can download Wophcrack here:

wophcrack.zip

Or read more here.

Posted in: Hacking Tools, Password Cracking

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Web Hacking Incident Database Shows DoS Attacks On The Rise

Outsmart Malicious Hackers


It seems like the formidable Anonymous army has managed to change the weighting of stats collected by the Web Hacking Incident Database (WHID) with it’s vast array of DDoS attacks.

We’ve reported on a couple of them like back in December when the WikiLeaks Attacks Caused Rival DDoS Retaliation. There have been a whole lot of other attack types going as usual though with SQL Injection and XSS (Cross Site Scripting) making up the to the top 3 with DDoS Attacks.

But if you haven’t worried about it before, perhaps now is the time to look into prevention/protection against denial-of-service attacks.

Driven by the hacktivism of the loose-knit Anonymous group, denial-of-service attacks surged to the top of the list of Web incidents, outpacing SQL injection and cross-site scripting, according to a survey of publicly disclosed attacks.

The ongoing survey, known as the Web Hacking Incident Database, categorized 222 incidents in 2010 and found that attackers aimed to take down the Web sites in a third of the incidents, while defacement accounted for 15 percent of attacks and stealing information was the goal in 13 percent of incidents. Unsurprisingly, the popular goal of causing downtime meant that denial-of-service attacks accounted for about a third of attack types, followed by SQL injection (21 percent) and cross-site scripting (9 percent).

In many industry reports, denial-of-service is not even on the list, but companies should worry about such brute-force tactics, says Ryan Barnett, a senior security researchers with security firm Trustwave’s SpiderLabs, who manages the WHID project. “You need to re-prioritize because Web servers are actively being targeted with denial-of-service attacks,” says Barnett.

Simple tools like Slowloris can give even the most robust web sites a big headache. Of course you also have to make sure you are secured against SQL Injection and any other kind of web attacks that can comprise your up-time or data.

According to the data different industries need to be prepared for different kinds of attacks, obviously skilled attackers will focus different ways of compromising hosts in different sectors.


Yet, different industries should also worry about different types of attacks, he says. Attackers focus on stealing money from financial firms using stolen credentials, according to the WHID data. They also tend to focus on defacing government sites and stealing credit-card numbers from retailers, using SQL injection in both cases, according to the WHID. The latter two relationships are weaker, however: While those are the most popular goals for attackers, each only accounts for a bit more than a quarter of attacks against the particular vertical. Money is the goal in two-thirds of attacks against financials.

“The outcomes and attacks and weaknesses are different, so depending on what market you are in, we have a pool of attacks that worked,” says Barnett. “So CSOs should pick out examples in their market because those are most applicable to them.”

Attackers’ focus on downtime means that corporate CSOs need to make sure that they can handle Web-specific denial-of-service attacks. Many times such attack focus on flooding the Web servers, but low-and-slow attacks are becoming more popular and require a different defense.

“Many of these organizations foolishly think that the network security gear that they have to handle the lower level DOSing floods will take care of this and it won’t,” Barnett says. “The overall amount of traffic that you have to send to take down the Web server is a lot less, and it looks legitimate.”

Downtime has gotta be one of the worst types of attack, especially for e-tailers or online vendors. Yah theft of credentials is bad, but honestly – most of the time those attacks aren’t even disclosed and no-one knows about them.

And from what I’ve seen most companies seem to think sticking a mid-range firewall in front of whatever they are doing is the be all and end all of security – it’ll protect their applications, their data, their organisation…and so on.

How misguided they are.

Source: Network World

Posted in: Networking Hacking, Privacy

Topic: Networking Hacking, Privacy


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Ophcrack 3.3.1 & LiveCD – Free Rainbow Table Password Cracking Tool

Keep on Guard!


Ophcrack is a free Windows password cracker based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. It comes with a Graphical User Interface and runs on multiple platforms. It works based on a time-memory trade-off using rainbow tables. This is a new variant of Hellman’s original trade-off, with better performance. It recovers 99.9% of alphanumeric passwords in seconds.

We mentioned it in our RainbowCrack and Rainbow Tables article, definitely one of the best free options for Rainbow Cracking.

Features

  • Runs on Windows, Linux/Unix, Mac OS X
  • Cracks LM and NTLM hashes.
  • Free tables available for Windows XP and Vista.
  • Brute-force module for simple passwords.
  • Audit mode and CSV export.
  • Real-time graphs to analyze the passwords.
  • LiveCD available to simplify the cracking.
  • Loads hashes from encrypted SAM recovered from a Windows partition, Vista included.
  • Free and open source software (GPL).

You can find the various tables they offer here (mostly free with some paid):

Ophcrack Rainbow Tables

And of course our own collection of Free Rainbow Tables and other software here.

You can download Ophcrack 3.3.1 here:

Windows – ophcrack-win32-installer-3.3.1.exe
Source – ophcrack-3.3.1.tar.bz2

Or download the LiveCD here:

To crack XP hashes – ophcrack-xp-livecd-2.3.1.iso
To crack Vista hashes – ophcrack-vista-livecd-2.3.1.iso

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Posted in: Hacking Tools, Password Cracking

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Adobe Promises Patch For Flash 0-day Being Used In Targeted Attacks

Outsmart Malicious Hackers


With all the new vulnerabilities with working exploits pouring out of Pwn2Own, I can’t say I expected to see another 0-day in Adobe Flash outside of the contest.

It wasn’t that long ago (back in October 2010) when there was another Critical 0-day Vulnerability In Adobe Flash Player, Reader & Acrobat and Adobe were scrambling to fix it.

They are promising an out of band patch for this vulnerability as it’s marked as critical and has apparently been seen in the wild, but only in a few targeted attacks according to this blog post by Adobe:

Background on APSA11-01 Patch Schedule

Adobe Systems plans to release emergency patches for its Flash and Reader applications after learning a critical vulnerability is being exploited to install malware on vulnerable machines.

The out-of-cycle patches for Adobe Flash Player 10 and Acrobat and Reader versions 9, 10, and X will arrive during the week March 21, the company said on Monday. The updates will cover all versions of those programs except for Reader X for Windows, which ships with a security sandbox that blocks the exploits Adobe has observed so far.

The announcement comes after members of Adobe’s security team received reports of targeted attacks aimed “at a very small number of organizations and limited in scope” that “install persistent malware on the victim’s machine,” the company said in an advisory. The exploits wield a booby-trapped Flash file hidden inside a Microsoft Excel file attached to an email.

The attacks exploit an unspecified flaw in Flash Player for the Windows, Mac, Linux, Solaris and Android operating systems. Adobe security members are unaware of other types of attacks, such as those that plant the malicious Flash file in documents using the the PDF, or portable document format, specification.

It’s a pretty tricky attack with multiple layers, it seems like the Flash exploit itself is embedded in an Excel file attached to e-mails. It looks like corporate users of Reader X will be out of luck as there is no patch for that version. But then Adobe states as Reader X comes with a sandbox the exploit won’t actually function anyway.

The patch is slated to come out next week sometime, there are no specifics as of yet – I guess it depends how long it takes them to fix the problem reliably. They are looking to rush the patch out though rather than waiting for the next cycle.


“However, attackers have leveraged these type [sic] of Flash Player vulnerabilities in the past via .pdf files to attack the embedded authplay.dll component shipping with Adobe Reader and Acrobat v9,” Brad Arkin, Adobe’s senior director of product security and privacy, wrote. “Out of a preponderance of caution we took the decision to ship out-of-cycle updates for Adobe Reader and Acrobat v9, and Acrobat X to mitigate the risk of attackers shifting the attack from an .xls container to a .pdf container.”

The unscheduled patch won’t cover Reader X for Windows, because that recently released version of the program contains a Sandbox that isolates remotely supplied payloads from the OS’s core functions. As a result, the exploits Adobe has seen to date aren’t able to successfully execute on machines that run it. Many Reader users, particularly those in corporate settings, still run versions 10 or 9 of Reader, meaning they will remain vulnerable until the emergency patch is installed.

Excluding Reader X for Windows from the out-of-cycle release will allow Adobe engineers to publish it more quickly than it otherwise could. The fix for that version will be released on June 14, during Adobe’s next scheduled quarterly update.

The Security Bulletin from Adobe is here:

Security Advisory for Adobe Flash Player, Adobe Reader and Acrobat

It has been assigned the CVE Number: CVE-2011-0609

Source: The Register

Posted in: Exploits/Vulnerabilities

Topic: Exploits/Vulnerabilities


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Agnitio v1.2 – Manual Security Code Review Tool

Keep on Guard!


Agnitio is a tool to help developers and security professionals conduct manual security code reviews in a consistent and repeatable way. Agnitio aims to replace the adhoc nature of manual security code review documentation, create an audit trail and reporting.

v1.2 of Agnitio includes a new application metrics section to give better visibility of the security code review process and allows you to monitor trends etc across multiple reviews of an application.

More details about the changes and plans for upcoming v2.0 here:

Agnitio v1.2 released today

You can download Agnitio v1.2 here:


Agnitiov1_2.zip

Or read more here.

Posted in: Countermeasures, Secure Coding, Security Software

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