Rovanex

Network Trojan

"Zbot" redirects here. For the action figures, see Zbots.

Zeus, ZeuS, or Zbot is a Trojan horse malware package that runs on versions of Microsoft Windows. While it can be used to carry out many malicious and criminal tasks, it is often used to steal banking information by man-in-the-browser keystroke logging and form grabbing. It is also used to install the CryptoLocker ransomware. Zeus is spread mainly through drive-by downloads and phishing schemes. First identified in July 2007 when it was used to steal information from the United States Department of Transportation, it became more widespread in March 2009. In June 2009 security company Prevx discovered that Zeus had compromised over 74,000 FTP accounts on websites of such companies as the Bank of America, NASA, Monster.com, ABC, Oracle, Play.com, Cisco, Amazon, and BusinessWeek. Similarly to Network.</ref>

Detection

Zeus is very difficult to detect even with up-to-date antivirus and other security software as it hides itself using stealth techniques. It is considered that this is the primary reason why the Zeus malware has become the largest botnet on the Internet: Damballa estimated that the malware infected 3.6 million PCs in the U.S. in 2009. Security experts are advising that businesses continue to offer training to users to teach them to not to click on hostile or suspicious links in emails or Web sites, and to keep antivirus protection up to date. Antivirus software does not claim to reliably prevent infection; for example Browser Protection says that it can prevent "some infection attempts".

FBI crackdown

FBI: The Zeus Fraud Scheme

In October 2010 the US FBI announced that hackers in Eastern Europe had managed to infect computers around the world using Zeus. The virus was distributed in an e-mail, and when targeted individuals at businesses and municipalities opened the e-mail, the trojan software installed itself on the victimized computer, secretly capturing passwords, account numbers, and other data used to log into online banking accounts.

The hackers then used this information to take over the victims’ bank accounts and make unauthorized transfers of thousands of dollars at a time, often routing the funds to other accounts controlled by a network of money mules, paid a commission. Many of the U.S. money mules were recruited from overseas. They created bank accounts using fake documents and false names. Once the money was in the accounts, the mules would either wire it back to their bosses in Eastern Europe, or withdraw it in cash and smuggle it out of the country.

More than 100 people were arrested on charges of conspiracy to commit bank fraud and money laundering, over 90 in the US, and the others in the UK and Ukraine. Members of the ring had stolen $70 million.

In 2013 Hamza Bendelladj, known as Bx1 online, was arrested in Thailand and deported to Atlanta, Georgia, USA. Early reports said that he was the mastermind behind ZeuS. He was accused of operating SpyEye (a bot functionally similar to ZeuS) botnets, and suspected of also operating ZeuS botnets. He was charged with several counts of wire fraud and computer fraud and abuse. Court papers allege that from 2009 to 2011 Bendelladj and others "developed, marketed, and sold various versions of the SpyEye virus and component parts on the Internet and allowed cybercriminals to customize their purchases to include tailor-made methods of obtaining victims’ personal and financial information". It was also alleged that Bendelladj advertised SpyEye on Internet forums devoted to cyber- and other crimes and operated Command and Control servers. The charges in Georgia relate only to SpyEye, as a SpyEye botnet control server was based in Atlanta.

Possible retirement of creator

In late 2010, a number of Internet security vendors including McAfee and Internet Identity claimed that the creator of Zeus had said that he was retiring and had given the source code and rights to sell Zeus to his biggest competitor, the creator of the SpyEye trojan. However, those same experts warned the retirement was a ruse and expect the developer to return with new tricks.

See also

• Conficker
• Command and control (malware)
• Gameover ZeuS, the successor to ZeuS
• Operation Tovar
• Timeline of computer viruses and worms
• Tiny Banker Trojan
• Torpig
• Zombie (computer science)

External links

• "Measuring the in-the-wild effectiveness of Antivirus against Zeus" Study by Internet security firm Trusteer.
• "A summary of the ZeuS Bot" A summary of ZeuS as a Trojan and Botnet, plus vector of attacks.
• "The Kneber BotNet" by Alex Cox NetWitness Whitepaper on the Kneber botnet.
• "België legt fraude met onlinebankieren bloot" Dutch news article about a banking trojan
• "Indications in affected systems" Files and registry keys created by different versions of Zeus Trojan.
• Zeus, le dieu des virus contre les banques (in French)
• Zeus Bot's User Guide
• Zeus source code at GitHub
• Botnet Bust - SpyEye Malware Mastermind Pleads Guilty, FBI

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