Archive | April, 2006

Gary McKinnon Busted Because he Forgot the Time Difference

The New Acunetix V12 Engine


It turns out Gary McKinnon got sloppy, that’s why he got busted. He forgot the computers he was comprimising were in a completely different time zone, and as he was using remote control software, the person in the office saw their mouse moving around. We have reported about this guy before, when he was fearing being exported and chucked in Guantanamo.

A British computer hacker facing extradition for breaking into United States military computers said today that computer administrators fail to take easy steps that deter unwanted intrusions.

Gary McKinnon, who spoke on a panel at Infosec Europe 2006 here, made a critical miscalculation when poking around one of his targets that started an international investigation.

“I got caught because I was using a graphical remote control tool, and I forgot what time zone I was in,” McKinnon said. “Somebody was in the office when I was moving the mouse around.”

McKinnon’s probes occurred when computers were left on but employees were gone. Simply shutting down computers at night reduces the risk, he said.

Sloppy mistake though.

He makes some good points in the interview too, weak passwords generally are the weakest link, it’s quite common to find blank admin passwords and the C$ still enabled giving you full access to a Windows machine. Users really are the weakest link.

Passwords are a consistent weak point. McKinnon was able to hack a few unguarded passwords that gave him access; stronger passwords are recommended, he said. Misconfiguration by administrators made it easier, as some password protection was simply not enabled, he said.

Source: Yahoo News

Posted in: Legal Issues

Topic: Legal Issues


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Trojan Writers Coding for Money – Freezes PC for Ransom

The New Acunetix V12 Engine


A new term has been coined, yes indeed..

Ransomeware

That’s what they are calling this new threat, infects your PC then freezes it until you send some people some money.

A new kind of malware circulating on the Internet freezes a computer and then asks for a ransom paid through the Western Union Holdings money transfer service.

A sample of the Trojan horse virus was sent to Sophos, a security vendor, said Graham Cluley, senior technology consultant. The malware, which Sophos named Troj/Ransom-A, is one of only a few viruses so far that have asked for a ransom in exchange for releasing control of a computer, Cluley said.

Pretty dodgy really, what with being able to buy a Spyware creation kit for $15, now people are coding trojans to make money..

Once run, the Trojan freezes the computer, displaying a message saying files are being deleted every 30 minutes. It then gives instructions on how to send $10.99 via Western Union to free the computer.

Hitting the control, alt, and delete keys will not affect the bug, the virus writer warns. Sophos provides further details at its Web site.

Pretty tight rein, it just shows how sloppy Windows is…and how powerful the API’s are…and how dumb it is to let non-computer literate people using Internet Exploder to run as Administrator..

There was a case similar to this recently.

Last month, a Trojan emerged that encrypts a user’s documents and then leaves a file demanding $300 in exchange for the password to access the information. Victims were instructed to send money to one of 99 accounts run by e-gold, a company that runs a money transfer site.

The password, however, was contained on the infected computer. Sophos cracked it and publicly released it.

I guess they will get more advanced (sadly) as time goes on.

Posted in: Malware

Topic: Malware


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Paros Proxy 3.2.11 Released – MITM HTTP and HTTPS Proxy

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Paros 3.2.11 has been released. This version is a maintenance release with a useful feature requested by various users. All users are recommended to upgrade to this version.

One of my favourite proxy options, along side the Burp Proxy (evolved into Burp Suite).

Paros labels itself as MITM Proxy + Spider + Scanner plus anything else you want it to be, it is a pretty neat piece of software.

It’s particularly useful for testing web applications and things such as insecure sessions.

Paros is free of charge and completely written in Java. Through Paros’s proxy nature, all HTTP and HTTPS data between server and client, including cookies and form fields, can be intercepted and modified.

A Java based HTTP/HTTPS proxy for assessing web application vulnerability. It supports editing/viewing HTTP messages on-the-fly. Other featuers include spiders, client certificate, proxy-chaining, intelligent scanning for XSS and SQL injections etc.

These proxies have a different purpose than those personal type proxies like Proxomitron which are intended to protect you, clean adverts, block spyware and so on. Proxies like Paros and Burp are meant for examining the security of applications and web application auditing.

You do need Java Run Time Enviroment (JRE) 1.4 (or above) to install Paros.

You can download the latest version of Paros Here.

3.2.11 Release Notes

Posted in: Hacking Tools, Web Hacking

Topic: Hacking Tools, Web Hacking


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Oracle Releases a Default Password Scanner

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Oracle is getting serious with security? Again..?

Oracle Corp. has published a collection of software patches that address security vulnerabilities in a range of the company’s products, including its database and application server software. As part of this update, it also released a tool designed to ferret out commonly used default passwords that theoretically could be misused by hackers.

Earlier versions of Oracle’s database software included well-known default passwords and user names, for example “scott / tiger”. These accounts are also known to have been created by other software, such as application servers, that interact with the database, said Oracle Security Alerts Manager Darius Wiles

The ‘scanner’ is actually an SQL script.

The password scanner is a SQL (Structured Query Language) script that scans the database and then prints out the names of these well-known accounts if they are unlocked, Wiles said. “This tool is designed to catch those instances and then explain to customers the right thing to do to secure their systems.”

Source: Computerworld

Oracle default passwords have been quite a problem in the past, there is a whole page dedicated to them here.

This page is the home for the Oracle default password list that we have collated. The list can also be thought of as a list of Oracle default password hashes.

The full details of the release can be found from Oracle Here (Oracle Critical Patch Update – April 2006).

Subscribers to MetaLink can find more information on the Default Password Scanner in MetaLink Note 361482.1.

You can also check out Cain & Abel which has Oracle hash specific functions.

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Posted in: Database Hacking, Hacking Tools, Password Cracking

Topic: Database Hacking, Hacking Tools, Password Cracking


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MS and the new IE vulnerability – Object Tag

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Can you see the irony?
Just after 2 weeks that M$ released the Internet Explorer security makeover, Michal Zalewski came up with a highly critical exploit, as called by Secunia… based on a mishandling of the OBJECT tag….

Security alerts aggregator Secunia flagged the issue as “highly critical” and stressed that it can be exploited to corrupt memory by tricking a user into visiting a malicious Web site. “Successful exploitation allows execution of arbitrary code,” Secunia warned.

Of course M$ didn’t just sit around… they blamed Michal Zalewski for publishing the vulnerability prior of noticing M$ so they could launch a patch [again?] for it…

Microsoft chided Zalewski for jumping the gun and posting his findings before a comprehensive patch could be created, but the researcher is unapologetic.

And how expected Zalewski striked back:

[They] often attempt to downplay threats; they don’t participate in the vulnerability research community in a meaningful way; and they routinely use false pretenses when communicating their expectations to the media (for example, expressing concern for the customer and blaming the researcher where the chief risk for the customer arises from the fact that an extremely wealthy and profitable software giant severely underfunds the task of fixing critical defects in their software)

Researchers at Websense Security Labs said there are no published proof-of-concepts demonstrating a remote code execution attack vector but made it clear that browser crash vulnerabilities often lead to remote code execution exploits.
But a quick search on SecurityFocus proved something else:
http://www.securityfocus.com/archive/1/431796/30/30/threaded

Source: Microsoft Rocked by New IE Zero-Day Flaw Warning

Posted in: Exploits/Vulnerabilities

Topic: Exploits/Vulnerabilities


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Alternatives to FrSIRT – Where to Download Exploits?

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Since FrSIRT closed it’s public archives and starting charging for access (blaming it on French laws…), people have been wondering where they can their dose of Exploits..For legitimate purposes obviously.

Security Forest

The most comprehensive collection in my opinion comes from SecurityForest. They also have a BETA exploitation framework in development, something like a Metasploit, but with a much larger range of exploits.

The part of SecurityForest you need to look at is the Exploit Tree.

I love the way it works, as it’s based on CVS, so you just download whatever you don’t have everytime you update.

The ExploitTree is a categorized collection of ALL available exploit code. ExploitTree’s ambition is to become the most organized, rich and up-to-date exploit repository on the internet. The ExploitTree is based on CVS (Concurrent Versioning System) and therefore allows the user to keep an up-to-date offline mirror of the repository on their hard drive. When an ExploitTree Administrator updates their local copy with a new/updated exploit, it updates the repository and keeps everyone else up-to-date. Furthermore, a web interface for web browsing is available.

It is a really impressive collection and very well categorised. It works fine on both Windows and *nix based systems. You can also browse online here.

milw0rm

milw0rm is less mainstream and started out as a personal site, but has grown into a comprehensive and well organised archive of exploits.

It can be organised various ways, by platform, by port, for PHP, for ASP etc.

Securiteam

Securiteam is quite commercial, but has an archive of verified exploits – going back to 1998, verified by their own team of ‘experts’. Note however Securiteam isn’t greatly liked on lists such as Full Disclosure (mostly for spamming their blog).

Securiteam Exploits Archive.

SecuriTeam™ is a group within Beyond Security® dedicated to bringing you the latest news and utilities in computer security.

Having experience as Security Specialists, Programmers and System Administrators we appreciate your need for a “Security Portal” – A central Security web site containing all the newest security information from various mailing lists, hacker channels and our own tools and knowledge.

Packetstorm

Packetstorm is one of the oldest sites, and has a reasonbly good archive of exploits.

Packetstorm Exploits

It goes back to about 1998 too.

Packet Storm offers an abundant resource of up-to-date and historical security tools, exploits, and advisories. We are a non-profit organization comprised of security professionals that are dedicated to providing the information necessary to secure networks on a global scale. We accomplish this goal by publishing new security information on a global network of websites.

Others

You can also check out:

Government Security Archive
Secwatch
Hackers Playground

Various

You can find the odd private archives online too, but they tend to go up and down, and sometimes when you have something specific in mind, it’s just best to hit Google and Google Groups to mine it out.

Don’t forget the good stuff like Google Hacking too.

Plus the Security and Hacking LiveCD’s have quite a lot of compiled & working exploits inside too.

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Posted in: Exploits/Vulnerabilities, Hacking Tools

Topic: Exploits/Vulnerabilities, Hacking Tools


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