Zeus Malware: Variants and Methods

Zeus malware, also known as Zbot, is a type of banking trojan that has been used to steal sensitive information such as login credentials, financial information, and other personal data from unsuspecting users. First discovered in 2007, Zeus malware has undergone several variations and has continued to pose a significant threat to individuals and organizations alike. In this article, we will explore the history of Zeus malware, its variants, and its methods.

History of Zeus Malware

Zeus malware was first discovered in 2007 and was initially designed to steal login credentials from online banking websites. The malware was spread through phishing emails and drive-by downloads. Over time, Zeus malware evolved and became more sophisticated, with new variants emerging that targeted not just banking websites but also other types of sensitive data.

In 2010, the source code for Zeus malware was leaked online, leading to the creation of several new variants by other cybercriminals. This resulted in a proliferation of Zeus malware and an increase in the number of victims.

Zeus Malware Variants

Zeus malware has undergone several variations over the years, each with its own set of features and capabilities. Some of the notable variants of Zeus malware include:

1. Citadel: This is a variant of Zeus malware that was first discovered in 2012. It is known for its ability to steal sensitive data from web browsers, including login credentials and credit card information.
2. Gameover Zeus: This is a variant of Zeus malware that was first discovered in 2014. It was primarily used to steal banking credentials and was spread through spam emails and malicious attachments.
3. Ice IX: This is a variant of Zeus malware that was first discovered in 2011. It was designed to bypass two-factor authentication and steal banking credentials.

Zeus Malware Methods

Zeus malware is typically spread through phishing emails and drive-by downloads. Once installed on a victim’s computer, Zeus malware can perform several actions, including:

1. Keylogging: This involves recording every keystroke made by the victim, including login credentials, credit card numbers, and other sensitive data.
2. Form grabbing: This involves intercepting the data entered into online forms, including login credentials and credit card information.
3. Screen capturing: This involves taking screenshots of the victim’s computer screen, including sensitive information displayed on websites and applications.
4. Command and control: This involves communicating with a remote server controlled by the cybercriminal, which can be used to issue commands and receive stolen data.

Conclusion

Zeus malware, also known as Zbot, is a type of banking trojan that has been used to steal sensitive information from unsuspecting users. Since its discovery in 2007, Zeus malware has undergone several variations and has continued to pose a significant threat to individuals and organizations alike. By understanding the history of Zeus malware, its variants, and its methods, individuals, and organizations can take steps to protect themselves from this dangerous malware. This includes using strong passwords, implementing multi-factor authentication, and keeping software up to date.