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Copyright: Dr. Nikolai Bezroukov 1994-2013. Unpublished notes. Version 0.80.October, 2013
Contents : Foreword : Ch01 : Ch02 : Ch03 : Ch04 : Ch05 : Ch06 : Ch07 : Ch08 : Ch09 : Ch10 : Ch11 : Ch12 : Ch13
Chapter 7: Network worms
On April 30, 2004
When an infected machine would attempt to connect to a randomly generated Internet Protocol address through an unprotected port, it would copy code to the target machine. (see www.f-secure.com/v-descs/sasser.shtml)
It creates a mutex named Jobaka3l to ensures that no more than one instance of the worm can run on the computer at any time.
Copies itself as %Windir%\avserve.exe. Adds the
value "avserve.exe"="%Windir%\avserve.exe" to the registry key:
so that the worm runs when you start Windows.
It uses the AbortSystemShutdown API to hinder attempts to shut down or restart the computer.
See W32.Sasser.Worm - Symantec.com
Starts an FTP server on TCP port 5554. This server is used to spread the worm to other hosts. Retrieves the IP addresses of the infected computer, using the Windows API, gethostbyname. Generates another IP address, based on one of the IP addresses retrieved from the infected computer (This process is made up of 128 threads, which demands a lot of CPU time. As a result, an infected computer may become so slow and barely usable). Connects to the generated IP address on TCP port 445 to determine if a remote computer is online. If a connection is made to a remote computer, the worm will send shell code to it, which may cause it to open a remote shell on TCP port 9996. Creates a ftp script file cmd.ftp on the attacked computer. Uses the shell on the remote computer to reconnect to the infected computer's FTP server, running on TCP port 5554, and retrieve a copy of the worm.In July 8, 2005 the author of the Sasser and Netsky worms was sentenced in a German court Friday to one year and nine months of probation.
Sven Jaschan was 17 years old when he was arrested by German authorities in May 2004 for creating and distributing two of the most damaging e-mail worms in Internet history.
He was charged in September 2004 and pled guilty to data manipulation, computer sabotage, and interfering with public corporations. The sentence was handed down following a four-day trial in Verden, Germany.
The teen escaped a jail sentence "by the skin of his teeth" because he was arrested shortly before his 18th birthday, avoiding trial as an adult. In addition to probation, Jaschan is required to complete 30 hours of community service.
Microsoft said it is awarding $250,000 to two individuals who helped identify Jaschan as part of the company's anti-virus reward program. The program was established in November 2003 by Microsoft, the FBI, Interpol and the U.S. Secret Service to provide an incentive to get people to identify cyber-wrongdoers.
Nancy Anderson, Microsoft vice president and deputy general counsel, said the company is pleased about the Friday announcement and that the Sasser writer is being held accountable for his actions.
"It has been important and gratifying to collaborate with and support law enforcement in this case, and we're glad to provide a monetary reward to those individuals who provided credible information that helped the German police authorities solve this case," she said in a statement.
Groupthink : Two Party System as Polyarchy : Corruption of Regulators : Bureaucracies : Understanding Micromanagers and Control Freaks : Toxic Managers : Harvard Mafia : Diplomatic Communication : Surviving a Bad Performance Review : Insufficient Retirement Funds as Immanent Problem of Neoliberal Regime : PseudoScience : Who Rules America : Neoliberalism : The Iron Law of Oligarchy : Libertarian Philosophy
War and Peace : Skeptical Finance : John Kenneth Galbraith :Talleyrand : Oscar Wilde : Otto Von Bismarck : Keynes : George Carlin : Skeptics : Propaganda : SE quotes : Language Design and Programming Quotes : Random IT-related quotes : Somerset Maugham : Marcus Aurelius : Kurt Vonnegut : Eric Hoffer : Winston Churchill : Napoleon Bonaparte : Ambrose Bierce : Bernard Shaw : Mark Twain Quotes
Vol 25, No.12 (December, 2013) Rational Fools vs. Efficient Crooks The efficient markets hypothesis : Political Skeptic Bulletin, 2013 : Unemployment Bulletin, 2010 : Vol 23, No.10 (October, 2011) An observation about corporate security departments : Slightly Skeptical Euromaydan Chronicles, June 2014 : Greenspan legacy bulletin, 2008 : Vol 25, No.10 (October, 2013) Cryptolocker Trojan (Win32/Crilock.A) : Vol 25, No.08 (August, 2013) Cloud providers as intelligence collection hubs : Financial Humor Bulletin, 2010 : Inequality Bulletin, 2009 : Financial Humor Bulletin, 2008 : Copyleft Problems Bulletin, 2004 : Financial Humor Bulletin, 2011 : Energy Bulletin, 2010 : Malware Protection Bulletin, 2010 : Vol 26, No.1 (January, 2013) Object-Oriented Cult : Political Skeptic Bulletin, 2011 : Vol 23, No.11 (November, 2011) Softpanorama classification of sysadmin horror stories : Vol 25, No.05 (May, 2013) Corporate bullshit as a communication method : Vol 25, No.06 (June, 2013) A Note on the Relationship of Brooks Law and Conway Law
Fifty glorious years (1950-2000): the triumph of the US computer engineering : Donald Knuth : TAoCP and its Influence of Computer Science : Richard Stallman : Linus Torvalds : Larry Wall : John K. Ousterhout : CTSS : Multix OS Unix History : Unix shell history : VI editor : History of pipes concept : Solaris : MS DOS : Programming Languages History : PL/1 : Simula 67 : C : History of GCC development : Scripting Languages : Perl history : OS History : Mail : DNS : SSH : CPU Instruction Sets : SPARC systems 1987-2006 : Norton Commander : Norton Utilities : Norton Ghost : Frontpage history : Malware Defense History : GNU Screen : OSS early history
The Peter Principle : Parkinson Law : 1984 : The Mythical Man-Month : How to Solve It by George Polya : The Art of Computer Programming : The Elements of Programming Style : The Unix Haterís Handbook : The Jargon file : The True Believer : Programming Pearls : The Good Soldier Svejk : The Power Elite
Most popular humor pages:
Manifest of the Softpanorama IT Slacker Society : Ten Commandments of the IT Slackers Society : Computer Humor Collection : BSD Logo Story : The Cuckoo's Egg : IT Slang : C++ Humor : ARE YOU A BBS ADDICT? : The Perl Purity Test : Object oriented programmers of all nations : Financial Humor : Financial Humor Bulletin, 2008 : Financial Humor Bulletin, 2010 : The Most Comprehensive Collection of Editor-related Humor : Programming Language Humor : Goldman Sachs related humor : Greenspan humor : C Humor : Scripting Humor : Real Programmers Humor : Web Humor : GPL-related Humor : OFM Humor : Politically Incorrect Humor : IDS Humor : "Linux Sucks" Humor : Russian Musical Humor : Best Russian Programmer Humor : Microsoft plans to buy Catholic Church : Richard Stallman Related Humor : Admin Humor : Perl-related Humor : Linus Torvalds Related humor : PseudoScience Related Humor : Networking Humor : Shell Humor : Financial Humor Bulletin, 2011 : Financial Humor Bulletin, 2012 : Financial Humor Bulletin, 2013 : Java Humor : Software Engineering Humor : Sun Solaris Related Humor : Education Humor : IBM Humor : Assembler-related Humor : VIM Humor : Computer Viruses Humor : Bright tomorrow is rescheduled to a day after tomorrow : Classic Computer Humor
The Last but not Least Technology is dominated by two types of people: those who understand what they do not manage and those who manage what they do not understand ~Archibald Putt. Ph.D
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