Archive | September, 2006

Using the capture command in a Cisco Systems PIX firewall.

Outsmart Malicious Hackers


This is an excellent article you might find useful covering the use of the capture command in Cisco PIX firewalls.

A vital tool to use when troubleshooting computer networking problems and monitoring computer networks is a packet sniffer. That being said, one of the best methods to use when troubleshooting connection problems or monitoring suspicious network activity in a Cisco Systems PIX firewall is by using the capture command. Many times Cisco TAC will request captures from a PIX in PCAP format for open problem tickets associated with unusual problems or activity associated with the PIX and the network.

Cisco kit can be a bit daunting for a newcomer, but very well featured, it’s important to learn what your PIX can do!

The capture command was first introduced to the PIX OS in version 6.2 and has the ability to capture all data that passes through the PIX device. You can use access-lists to specify the type of traffic that you wish to capture, along with the source and destination addresses and ports. Multiple capture statements can be used to attach the capture command to multiple interfaces. You can even copy the raw header and hexadecimal data in PCAP format to a tftp server and open it with TCPDUMP or Ethereal.

NOTE: You must be in privileged mode to invoke the capture command.

Full article here.

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Posted in: Countermeasures, Hardware Hacking, Networking Hacking

Topic: Countermeasures, Hardware Hacking, Networking Hacking

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Moving Ahead in the War Against Botnets

Keep on Guard!


This effort started quite a long time ago, I was just checking up to see how they were getting on, but there’s not much news of their progress.

perating under the theory that if you kill the head, the body will follow, a group of high-profile security researchers is ramping up efforts to find and disable the command-and-control infrastructure that powers millions of zombie drone machines, or bots, hijacked by malicious hackers.

The idea is to open up a new reporting mechanism for ISPs and IT administrators to report botnet activity, especially the C&C (command-and-control) system that remotely sends instructions to botnets.

A botnet, which is short for “robot network,” is a collection of broadband-enabled computers that have been commandeered by hackers for use in spam runs, distributed denial-of-service attacks or malware installation.

Botnets are often used in script kiddy DDoS wars or more commonly nowadays for Eastern block extortion scandals. “Pay us $xxxx or we will take down your site” this of course is especially effective against sites such as online Casinos which do their business solely through their websites.

Evron, who serves as the Israeli CERT manager and is a leader in many global Internet security efforts, said the group includes representatives from anti-virus vendors, ISPs, law enforcement, educational institutions and dynamic DNS providers internationally.

Over the last year, the group has done its work quietly on closed, invite-only mailing lists. Now, Evron has launched a public, open mailing list to enlist the general public to help report botnet C&C servers.

The new mailing list will serve as a place to discuss detection techniques, report botnets, pass information to the relevant private groups and automatically notify the relevant ISPs of command-and-control sightings.

It is true hackers code for cash nowdays, not for anarchy or chaos, money can be made being an online hitman and extortion has moved from physical beatings to online terrorism.

Websense’s Hubbard agrees there’s no silver bullet to solve the problem. “We’re seeing a major crossover,” he said. “Bots are now coming with keyloggers. We’re seeing botnets being used in conjunction with phishing attacks. The effort has to get buy-in from everyone, including law enforcement authorities, ISPs, dynamic DNS providers and the general public.

“I don’t think we’ll ever shut down botnets. The problem is just going to change with time,” Hubbard added. “The techniques are becoming better and more sophisticated as we come out with new defense techniques. We’re just trying to slow them down, really.”

I do agree, but it’s good to see efforts being made, the main counter of course is always education, remove the ignorance of PC owners and OS developers and there will be no botnets any more..but well that would be an ideal world wouldn’t it?

Botnets mailing list

Darknet also reported on Shadowserver Battling the Botnets.

Source: Eweek

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LCP – A Good FREE Alternative to L0phtcrack (LC5)

Keep on Guard!


Since Symantec stopped development of L0phtcrack many people have been looking for alternatives.

So don’t forget..

Jack the Ripper is still king
Medusa is good
Ophcrack for Rainbow Tables

And now one more, introducting LCP, which we have talked about before in the article Password Cracking with Rainbowcrack and Rainbow Tables.

LCP is freeware!

The main purpose of LCP program is user account passwords auditing and recovery in Windows NT/2000/XP/2003. General features of this product:

Accounts information import:

  • import from local computer;
  • import from remote computer;
  • import from SAM file;
  • import from .LC file;
  • import from .LCS file;
  • import from PwDump file;
  • import from Sniff file;

Passwords recovery:

  • dictionary attack;
  • hybrid of dictionary and brute force attacks;
  • brute force attack;

Brute force session distribution:

  • sessions distribution;
  • sessions combining;

Hashes computing:

  • LM and NT hashes computing by password;
  • LM and NT response computing by password and server challenge.

You can download LCP here.

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What Responsibility do Anti-Spyware Researchers Have?

Keep on Guard!


Ethical debates are always interesting, and people have gotten in trouble lately for reverse engineering and various other branches of research.

This is a fairly old topic, but as I’m clearing out some old drafts, I still find it an interesting one.

There’s been an ongoing debate in security circles concerning how security researchers should disclose vulnerabilities for a long time, Darknet is of course in the Full Disclosure school of thinking. The common viewpoint is that the researchers should disclose the vulnerabilities to the company, giving them some time to fix the problem.

Typically, however, if nothing is done to fix the vulnerability, then researchers eventually will disclose it publicly. That’s where a lot of the conflict occurs, and there are even some questionable laws that might get you in trouble for publicly discussing a vulnerability. However, does this apply to spyware research as well?

The main question is, should the vulnerabilities ever be posted publically? I of course say yes, as if I’m using that software, I have the right to know there’s something wrong with it and take remedial measures, even if there’s no patch (that’s the beauty of open source, you can patch it yourself!).

There was a lot of conversation during the 180solution period about responsible disclosure and disclosing the affiliates used to install spyware, someone 180 always manage to spin it into a self-serving press release about how they triumphed over evil.

Ah ethics, always an interesting topic.

The whole thing became a virtual war between a high profile security researcher and the spammy 180solution folks.

The sniping between a controversial adware company and a prominent anti-spyware researcher continued Thursday as 180solutions defended its practices and called critic Ben Edelman “irresponsible.”

Earlier this week, Bellevue, Wash.-based 180 solutions, which distributes software that delivers ads to users’ computers, blasted Edelman, a Harvard researcher, for improperly disclosing a hack into the company’s installation software. Last week, Edelman had posted an analysis of an illegal download of 180’s Zango software by an affiliate Web site of 180’s advertising network.

You can read more here.

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Posted in: Legal Issues, Malware

Topic: Legal Issues, Malware

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Hacking Still Can’t Outdo Stupidity for Data Leaks

Outsmart Malicious Hackers


Can you believe this the provincial government in British Columbia has managed to auction off a set of data tapes containing people’s social insurance numbers, dates of birth and medical records among other information.

The provincial government has auctioned off computer tapes containing thousands of highly sensitive records, including information about people’s medical conditions, their social insurance numbers and their dates of birth.

Sold for $300 along with various other pieces of equipment, the 41 high-capacity data tapes were auctioned in mid-2005 at a site in Surrey that routinely sells government surplus items to the public.

Included among the files were records showing certain people’s medical status — including whether they have a mental illness, HIV or a substance-abuse problem — details of applications for social assistance, and whether or not people are fit to work.

Stupidity knows no bounds really. Do people not understand SENSITIVE, or CONFIDENTIAL or PRIVATE?


In an interview Friday afternoon, Labour Minister Mike de Jong, whose ministry oversees the auction process, said he has ordered an immediate investigation to determine how the breach took place.

“It is completely unacceptable for information like this to be unsecured in the way this clearly is,” he said.

“People deserve to know [this] type of information . . . is secure and kept private,” he added, offering an apology. “I can think of no excuse for information of this sort finding its way into the public domain.”

Well yes I totally agree. And well..this is not the first time is it? And I’m damn sure it wont be the last.

Source: Canada.com

*Clearing out some old articles*

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Brutus Password Cracker – Download brutus-aet2.zip AET2

Outsmart Malicious Hackers


If you don’t know, Brutus Password Cracker is one of the fastest, most flexible remote password crackers you can get your hands on – it’s also free to download Brutus. It is available for Windows 9x, NT and 2000, there is no UN*X version available although it is a possibility at some point in the future.

Brutus was first made publicly available in October 1998 and since that time there have been at least 70,000 downloads and over 1.6 Million visitors to this page. Development continues so new releases will be available in the near future.

Brutus Password Cracker - Download Brutus brutus-aet2.zip AET2


What is Brutus Password Cracker For?

In cryptanalysis and computer security, password cracking is the process of recovering passwords from data that have been stored in or transmitted by a computer system. A common approach (brute-force attack) is to try guesses repeatedly for the password and check them against an available cryptographic hash of the password.

Read more here.

Brutus was written originally to help me check routers etc. for default and common passwords.

Features

Brutus version AET2 is the current release and includes the following authentication types:

  • HTTP (Basic Authentication)
  • HTTP (HTML Form/CGI)
  • POP3
  • FTP
  • SMB
  • Telnet

Other types such as IMAP, NNTP, NetBus etc are freely downloadable from this site and simply imported into your copy of Brutus. You can create your own types or use other peoples.


The current brutus password release includes the following functionality :

  • Multi-stage authentication engine
  • 60 simultaneous target connections
  • No username, single username and multiple username modes
  • Password list, combo (user/password) list and configurable brute force modes
  • Highly customisable authentication sequences
  • Load and resume position
  • Import and Export custom authentication types as BAD files seamlessly
  • SOCKS proxy support for all authentication types
  • User and password list generation and manipulation functionality
  • HTML Form interpretation for HTML Form/CGI authentication types
  • Error handling and recovery capability inc. resume after crash/failure.

There are other options to check out too such as:

JTR (Password Cracking) – John the Ripper 1.7 Released – FINALLY
Bruter 1.0 Released – Parallel Windows Password Brute Forcing Tool

Brutus Password Cracker download here (the password is darknet123):

brutus-aet2.zip Brutus AET2

Learn about Hacking Tools



Posted in: Hacking Tools, Networking Hacking, Password Cracking, Windows Hacking

Topic: Hacking Tools, Networking Hacking, Password Cracking, Windows Hacking

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