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WEP Cracking Tools BackTrack The folks over at remote-exploit have released "Backtrack" a tool which makes it ridiculously easy to access any network secured by WEP encryption. BACKTRACK is a bootable live cd with a myriad of wireless and tcp/ip networking tools. Read the Article Weplab Weplab is a tool to review the security of WEP encryption in wireless networks from an educational point of view. Several attacks are available so it can be measured the efectiveness and minimun requirements of each one. Read the Article AirCrack 802.11 sniffer and WEP/WPA key cracker. Read the Article AirSnort AirSnort is a wireless LAN (WLAN) tool which recovers encryption keys. AirSnort operates by passively monitoring transmissions, computing the encryption key when enough packets have been gathered. 802.11b, using the Wired Equivalent Protocol (WEP), is crippled with numerous security flaws. Most damning of these is the weakness described in " Weaknesses in the Key Scheduling Algorithm of RC4 " by Scott Fluhrer, Itsik Mantin and Adi Shamir. Adam Stubblefield was the first to implement this attack, but he has not made his software public. AirSnort, along with WEPCrack, which was released about the same time as AirSnort, are the first publicly available implementaions of this attack. Read the Article dweputils dweputils is a set of utilities that allows you to fully audit and secure a wep encrypted network. it consists of a packet collection tool called dwepdump, which allows you to collect wep encrypted packets using a prism2 card, as well as dwepcrack which allows you to recover wep keys using any of the commonly used methods, and dwepkeygen a secure 40-bit key generator that creates keys that aren't vulnerable to the Tim Newsham 2^21 attack using a variable length seed. Read the Article WEPCrack WEPCrack is an open source tool for breaking 802.11 WEP secret keys. This tool is is an implementation of the attack described by Fluhrer, Mantin, and Shamir in the paper "Weaknesses in the Key Scheduling Algorithm of RC4" While Airsnort has captured the media attention, WEPCrack was the first publically available code that demonstrated the above attack. We released code and announced to bugtraq on Aug 12, 2001. Airsnort released code about a week later, but had a much more useable and complete implementation for both collection and cracking. Adam Stubblefield and AT&T had the first publically announced verification of the attack, but did not release their source code for public review and use. Read the Article Members currently browsing this category:

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