Archive | May, 2007

Google Launches Online Security & Malware Blog


Another to add to your list and your RSS feedreader, Google Online Security Blog.

Google Security Blog

Online security is an important topic for Google, our users, and anyone who uses the Internet. The related issues are complex and dynamic and we’ve been looking for a way to foster discussion on the topic and keep users informed. Thus, we’ve started this blog where we hope to periodically provide updates on recent trends, interesting findings, and efforts related to online security. Among the issues we’ll tackle is malware, which is the subject of our inaugural post.

You can find the RSS feed here:

Google Online Security Blog Feed

Posted in: Hacking News

Topic: Hacking News


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Nemesis – Packet Injection Suite


Nemesis is a command-line network packet crafting and injection utility for UNIX-like and Windows systems. Nemesis, is well suited for testing Network Intrusion Detection Systems, firewalls, IP stacks and a variety of other tasks. As a command-line driven utility, Nemesis is perfect for automation and scripting.

Nemesis can natively craft and inject packets for:

  • ARP
  • DNS
  • ETHERNET
  • ICMP
  • IGMP
  • IP
  • OSPF
  • RIP
  • TCP
  • UDP

Using the IP and the Ethernet injection modes, almost any custom packet can be crafted and injected.

Unix-like systems require: libnet-1.0.2a, and a C compiler (GCC)
Windows systems require: libnetNT-1.0.2g and WinPcap

Download it here:

Source code: nemesis-1.4.tar.gz (Build 26)
Windows binary: nemesis-1.4.zip (Build 26) (includes LibnetNT)

You can read more here:

Nemisis at Sourceforge

Posted in: Hacking Tools, Linux Hacking, Networking Hacking Tools, Windows Hacking

Topic: Hacking Tools, Linux Hacking, Networking Hacking Tools, Windows Hacking


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Cisco IOS FTP Backdoor Ripe for Hackers


Another flaw in Cisco’s IOS, this time a problem with FTP, the mechanism used to update the firmware on Cisco devices (routers & switches mostly).

You really don’t want someone playing around with your configuration files on your router do you?

IOS FTP, which comes disabled by default in IOS, is used to upload IOS software images and other software to routers and switches remotely. However, Cisco says attackers could exploit a vulnerability in the FTP server to gain access to the file system of an IOS-based router or switch and affect configuration settings.

“Unauthorized users could retrieve the device’s startup-config file from the filesystem,” Cisco says.”This file may contain information that could allow the attacker to gain escalated privileges.”

You can shutdown the FTP service on the IOS for the moment to be safe, and wait for the update.

The command is detailed below:

You could also setup an access control list to limit access to FTP.

In the meantime, Cisco says users should shut down IOS FTP if they are running the server on an affected system. (The command to do this is ‘ftp-server enable’.) The company says users can upload software to IOS devices through other methods, such as the ‘Secure Copy’ feature in the software. Users can also set up access control lists to restrict FTP access to a router or switch, Cisco adds.

The affected IOS versions are: 11.3, 12.0, 12.1, 12.2, 12.3 and 12.4. Cisco’s IOS XR is not vulnerable, and non-IOS Cisco devices are also safe.

So be careful if you are using Cisco kit, this is quite a bad hole.

Source: Network World

Posted in: Exploits/Vulnerabilities, Networking Hacking Tools

Topic: Exploits/Vulnerabilities, Networking Hacking Tools


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pwdump6 1.5.0 as well as fgdump 1.5.0 Released for Download


A while ago some updates of pwdump and fgdump were released, namely pwdump6 1.5.0 as well as fgdump 1.5.0.

Version 1.5.0 of both programs takes advantage of some changes which makes them less likely to be detected by antivirus, at least as of today. This will be particularly helpful to those of you dealing with recent, more aggressive AV solutions. The README file for pwdump6 has also been updated to give some examples, as it seems some folks were having a hard time figuring out how to get started with it.

If you don’t know what pwdump and fgdump are..

pwdump6 is an updated version of the classic Windows password hash dumper pwdump3e. It has been updated to circumvent DEP which caused crashes on newer operating systems, and has also had several features added to make it more usable.

fgdump is a more powerful version of pwdump6 that performs cached credential dumps of a target host as well as stopping several brands of antivirus while the dumps are running. It is also fully multi-threaded and supports several means of targeting large numbers of hosts.

We at Darknet highly recommend using fgdump for most pen-test activities, very effective indeed.

Get pwdump here

Get fgdump here

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

Topic: Hacking Tools, Password Cracking Tools, Windows Hacking


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ISIC – IP Stack Integrity & Stability Checker


ISIC is a suite of utilities to exercise the stability of an IP Stack and its component stacks (TCP, UDP, ICMP et. al.) It generates piles of pseudo random packets of the target protocol. The packets be given tendencies to conform to. Ie 50% of the packets generated can have IP Options. 25% of the packets can be IP fragments… But the percentages are arbitrary and most of the packet fields have a configurable tendency.

The packets are then sent against the target machine to either penetrate its firewall rules or find bugs in the IP stack.

ISIC also contains a utility generate raw ether frames to examine hardware implementations.

Other novel uses people have found for ISIC include IDS testing, stack fingerprinting, breaking sniffers and barraging the IRC kiddie.

Warning:

ISIC may break shit, melt your network, knock out your firewall, or singe the fur off your cat

You can read more and download ISIC from Packet Factory here:

http://www.packetfactory.net/Projects/ISIC/ (Direct download)

Posted in: Hacking Tools, Networking Hacking Tools, Secure Coding

Topic: Hacking Tools, Networking Hacking Tools, Secure Coding


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Comprehensive SQL Injection Cheat Sheet


A reader e-mailed me a while ago about a fairly comprehensive SQL Injection Cheat Sheet they had created and posted up.

Comprehensive SQL Injection Cheat Sheet


I compared it to the other ones I had bookmarked, and it was different enough to be worth posting.

Currently only for MySQL and Microsoft SQL Server, some ORACLE and some PostgreSQL. Most of samples are not correct for every single situation. Most of the real world environments may change because of parenthesis, different code bases and unexpected, strange SQL sentences.

Samples are provided to allow reader to get basic idea of a potential attack and almost every section includes a brief information about itself.

SQL Injection Cheat Sheet

It’s worthy resource to save on your hacking pen-drive and bookmark in your portable Firefox.

https://www.netsparker.com/blog/web-security/sql-injection-cheat-sheet/

Posted in: Database Hacking

Topic: Database Hacking


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