Reactions to story from GNUCITIZEN | Cutting-edge Think tank | Ethical Hacker Outfit
Agile Hacking: a homegrown telnet-based portscanner
http://www.gnucitizen.org/ blog/ agile-hacking-a-homegrown-telnet-based-portscanne...
So here is the scenario: the attacker has limited access to a box and he/she needs to perform a portscan from it. However, he/she does not want to download any tools to the target system. There might be various reasons for not wanting to upload a portscanner to the box. Perhaps, the attacker wants to minimize the footprint. In my case, the reason why I had to come up with a solution to this problem is because I had to simulate an attack in which the attacker had gained access to a Internet-visible web server. In this case, I needed to perform a portscan of the backend database server and make sure that only required ports are visible (a customized mssql port in this case).
Reactions / posts that link to this post
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GNUCITIZEN: Agile Hacking - a homegrown telnet-based portscanner
http://www.rootsecure.net/?p=link&l=21565# New York Times: Stolen Laptop Helps Turn Tables on Suspects "It doesnt get much better than their bringing us a picture of the guy actually using the stolen property"
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IBM: Anatomy of Security-Enhanced Linux (SELinux)
http://www.rootsecure.net/?p=link&l=21566# GNUCITIZEN: Agile Hacking - a homegrown telnet-based portscanner Posted: 11 May 2008 11:44:29 # New York Times: Stolen Laptop Helps Turn Tables on Suspects "It doesnt get much better than their bringing us a picture of the guy actually using the stolen property" Posted: 11 May 2008 11:43:32 # Iron Geek: A Brief Intro To Cryptographic Hashes/MD5 Posted: 11 May 2008 02:46:22 # Page 2 [News in audio: Info | Podcast | PC Feed] Send a quick memo to Rootsecure.net Technews Links c|net News: How valuable are you on Twitter?
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Port Scanner con Perl
http://www.wikipeando.com/index.php/archives/392Leyendo el sitio http://www.gnucitizen.org/blog/agile-hacking-a-homegrown-telnet-based-portscanner me encontre con un script realizado en perl el cual tiene objetivo mediante el uso del modulo "IO::Socket::INET" realizar un scan de ports tcp de una direccion ip. El resultado del mismo es muy elemental pero nos pueden sacar de muchos apuros. use strict; use IO::Socket; my ($target,$remote,$results,$port,@ports); unless (@ARGV> 0) { die "usage: $0 [ip]" [...]
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Information Security Bits for May 12th, 2008
http://infosecramblings.wordpress.com/2008/05/12/information...First, I changed the title of these posts to be a little more clear. Maybe nobody else cares, but it was bothering me Anyway, on with the show. Jennifer posted on Friday about a new revision of 8.2.1x being put out. She points out some items that the new -REV is going to have included. Matthew Hinman has the first post of what will be a very interesting series on malware analysis and reverse engineering. Well worth the read. I look forward to the posts to come. Another great post by GNUCITIZEN on using plain old telnet and bash to perform portscans. Cool stuff. Ory’s blog at Watchfire has a pointer to Charles which is a nifty looking tool. It’s a proxy that, among other things, lets you simulate line speeds and act as a man-in-the middle https proxy enabling you to “debug” https sessions. A list of “hacker tools” is brought to us by Dark Visitor. We should probably be keeping any eye out for any of these tools showing up on our networks/systems. Have great day folks! Kevin
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