Archive | April, 2008

WifiZoo v1.3 Released – Passive Info Gathering for Wifi

Outsmart Malicious Hackers


WifiZoo is a tool to gather wifi information passively. It is created to be helpful in wifi pentesting and was inspired by ‘Ferret‘ from Errata Security.

The tool is intended to get all possible info from open wifi networks (and possibly encrypted also in the future, at least with WEP) without joining any network, and covering all wifi channels.

WifiZoo does the following:

  • gathers bssid->ssid information from beacons and probe responses
  • gathers list of unique SSIDS found on probe requests
  • gathers the list and graphs which SSIDS are being probed from what sources
  • gathers bssid->clients information and outputs it in a file that you can later use with graphviz and get a graph with “802.11 bssids->clients”.
  • gathers ‘useful’ information from unencrypted wifi traffic (ala Ferret,and dsniff, etc); like pop3 credentials, smtp traffic, http cookies/authinfo, msn messages,ftp credentials, telnet network traffic, nbt, etc.

You can download WifiZoo v1.3 here:

wifizoo_v1.3.tgz

Or read more here.

Posted in: Hacking Tools, Privacy, Wireless Hacking

Topic: Hacking Tools, Privacy, Wireless Hacking


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Shelling our way up

Outsmart Malicious Hackers


Everybody has a favorite shell; not so many under Windows as there are under Linux, but anyway…

As most will tell you there favorite shell under Linux would be bash, as under Windows not really having what to chose from they would say cmd.exe (ok, bash can be used under Windows via cygwin, if I remember well).

But if you remeber well I wrote an article a while back about PowerShell, and so it seems that nowadays Windows users have a brand new shell which at some points can be quite impresive…

Anyway this article was ment to compare bash – PowerShell, but rather than doing that I would advice you to take a look on Wikipedia Comparison of computer Shells; this way you can decide which shell is the best (suitable) for you…

P.S. PowerShell being a freshly developed shell may have some glitches, as I found one some time ago NetCat & PowerShell -> disaster

Posted in: Hacking News

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Microsoft Opens the Gates to Hack Their Web Services

Outsmart Malicious Hackers


It seems like Microsoft are starting to get serious about security, in a very progressive move they have said they are ok with ethical hackers finding security flaws in their online services.

It’s been fairly ok so far to hack away at software installed on your own hardware, but hitting remotely hosted applications has been a big no-no with individuals facing legal action even when they were just trying to help.

In a first for a major company, Microsoft has publicly pledged not to sue or press charges against ethical hackers who responsibly find security flaws in its online services.

The promise, extended Saturday at the ToorCon security conference in Seattle, is a bold and significant move. While researchers are generally free to attack legally acquired software running on their own hardware, they can face severe penalties for probing websites that run on servers belonging to others. In some cases, organizations have pursued legal action against researchers who did nothing more than discover and responsibly report serious online vulnerabilities.

Personally I welcome such a move and hope more companies act in a foreword thinking and ethically just manner. There are many good guys finding flaws, and sadly then don’t report them for fear or litigation. In turn the bad guys find the same flaws and exploit them for gain.

Actions by more big companies to ‘ok’ ethical hacking would make things a little more secure for everybody.

As things stand, researchers frequently turn a blind eye to gaping security holes on websites for fear of suffering a fate similar to that of Eric McCarty. The prospective student at the University of Southern California found a flaw in the school’s online application system that gave him access to other applicants’ records. In 2006, he was charged with computer intrusion after producing proof of his finding.

“There’s definitely a lot of trepidation among legitimate researchers to find flaws in public-facing web applications because you never know how [companies] are going to react,” said Alex Stamos, a founding partner at iSEC Partners, a firm that provides penetration-testing services. “That hurts us because the only people finding these flaws are the bad guys.”

For once I’m praising Microsoft, I know it’s an odd and rare occurrence but they are doing the right thing!

I’m sure you guys have a lot to say about this one..

Source: The Register

Posted in: Hacking News, Legal Issues, Web Hacking

Topic: Hacking News, Legal Issues, Web Hacking


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HDIV – Java Web Application Security Framework

Keep on Guard!


HDIV (HTTP Data Integrity Validator) is a Java Web Application Security Framework. HDIV extends web applications’ behaviour by adding Security functionalities, maintaining the API and the framework specification. This implies that we can use HDIV in applications developed in Struts 1.x, Struts 2.x, Spring MVC and JSTL in a transparent way to the programmer and without adding any complexity to the application development. It is possible to use HDIV in applications that don’t use Struts 1.x, Struts 2.x, Spring MVC or JSTL, but in this case it is necessary to modify the application (JSP pages).

Functionality

INTEGRITY: HDIV guarantees integrity (no data modification) of all the data generated by the server which should not be modified by the client (links, hidden fields, combo values, radio buttons, destiny pages, etc.). Thanks to this property HDIV helps to eliminate most of the vulnerabilities based on the parameter tampering.

EDITABLE DATA VALIDATION: HDIV eliminates to a large extent the risk originated by attacks of type Cross-site scripting (XSS) and SQL Injection using generic validations of the editable data (text and textarea).

CONFIDENTIALITY: HDIV guarantees the confidentiality of the non editable data as well. Usually lots of the data sent to the client has key information for the attackers such as database registry identifiers, column or table names, web directories, etc.

ANTI-CROSS SITE REQUEST FORGERY (CSRF) TOKEN: Random string called a token is placed in each form and link of the HTML response, ensuring that this value will be submitted with the next request. This random string provides protection because not only does the compromised site need to know the URL of the target site and a valid request format for the target site, it also must know the random string which changes for each visited page.

You can download HDIV here:

hdiv 2.0.4

Or read more here.

Posted in: Countermeasures, Web Hacking

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Hackers Could Become The Hacked?

Outsmart Malicious Hackers


It looks like someone is going after the bad guys in a new way, by hacking them back! It’s no news to us that many hacking tools and script kiddy trojan kits are badly programmed..a lot of them have back-doors and the client-side tools have easy exploits that enable you to take over the ‘hackers’ machine.

It’s certainly an interesting approach.

Eriksson, a researcher at the Swedish security firm Bitsec, uses reverse-engineering tools to find remotely exploitable security holes in hacking software. In particular, he targets the client-side applications intruders use to control Trojan horses from afar, finding vulnerabilities that would let him upload his own rogue software to intruders’ machines.

He demoed the technique publicly for the first time at the RSA conference Friday.

“Most malware authors are not the most careful programmers,” Eriksson said. “They may be good, but they are not the most careful about security.”

He’s turned his attention to quite a few of the more popular pieces of mass-distributed malware and found holes in all of them. Those labeled as Remote Administration Tools (RATs) were extremely popular back in the days when Back Orifice, Netbus and Deepthroat first hit the scene. They are still used nowadays but there are newer variants.

Eriksson first attempted the technique in 2006 with Bifrost 1.1, a piece of free hackware released publicly in 2005. Like many so-called remote administration tools, or RATs, the package includes a server component that turns a compromised machine into a marionette, and a convenient GUI client that the hacker runs on his own computer to pull the hacked PC’s strings.

Pcshare_2Using traditional software attack tools, Eriksson first figured out how to make the GUI software crash by sending it random commands, and then found a heap overflow bug that allowed him to install his own software on the hacker’s machine.

The Bifrost hack was particularly simple since the client software trusted that any communication to it from a host was a response to a request the client had made. When version 1.2 came out in 2007, the hole seemed to be patched, but Eriksson soon discovered it was just slightly hidden.

It’ll be interesting to see what else he comes up with and if he can break into any of the big botnets like Storm or Kraken using this method.

That would certainly herald some interesting news.

Source: Wired Blog and thanks to Pantagruel for the heads up.

Posted in: Exploits/Vulnerabilities, Malware

Topic: Exploits/Vulnerabilities, Malware


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sqlninja 0.2.2 Released for Download – SQL Injection Tool

Outsmart Malicious Hackers


Sqlninja is a tool to exploit SQL Injection vulnerabilities on a web application that uses Microsoft SQL Server as its back-end. Its main goal is to provide a remote shell on the vulnerable DB server, even in a very hostile environment. It should be used by penetration testers to help and automate the process of taking over a DB Server when a SQL Injection vulnerability has been discovered.

It is written in Perl, it is released under the GPLv2 and so far has been successfully tested on:

  • Linux
  • FreeBSD
  • Mac OS X

Features

  • Fingerprint of the remote SQL Server (version, user performing the queries, user privileges, xp_cmdshell availability, authentication mode)
  • Bruteforce of ‘sa’ password, both dictionary-based and incremental
  • Privilege escalation to ‘sa’ if its password has been found
  • Creation of a custom xp_cmdshell if the original one has been disabled
  • Upload of netcat.exe (or any other executable) using only 100% ASCII GET/POST requests, so no need for FTP connections
  • TCP/UDP portscan from the target SQL Server to the attacking machine, in order to find a port that is allowed by the firewall of the target network and use it for a reverse shell
  • Direct and reverse bindshell, both TCP and UDP
  • DNS-tunneled pseudo-shell, when no TCP/UDP ports are available for a direct/reverse shell, but the DB server can resolve external hostnames

What’s new

  • Evasion techniques, in order to obfuscate the injected code and confuse/bypass signature-based IPS and application firewalls
  • A more sophisticated upload module
  • A new ‘blind execution’ attack mode, useful to issue commands and performs diagnostics when other modes fail
  • Automatic URL-encoding now is performed only on sqlninja generated SQL code, giving the user a more granular control on the exploit strings

You can download Sqlninja 0.2.2 here:

sqlninja-0.2.2.tgz

Or read more here.

Posted in: Database Hacking, Hacking Tools

Topic: Database Hacking, Hacking Tools


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