Skip to content

The Growing Threat of Information Stealers in Cybersecurity

Cybersecurity threats are evolving at an alarming rate. One particularly concerning trend that has gained prominence in recent times is the proliferation of information stealers. These insidious tools are lurking in the shadows, quietly infiltrating our devices and pilfering our valuable data. To shed light on this growing menace, we’ll explore the current state of information stealers in the cybersecurity industry and the implications for individuals and organizations.


The Evolution of Information Stealers
Information stealers have come a long way since their inception. They were initially viewed as a low-level threat, primarily focused on the financial sector. One of the earliest instances of information stealers was the “Zus Info Stealer” in 2006, which primarily targeted banks. These tools aimed to infiltrate computer systems, utilizing techniques like browser hooking and web injection to harvest sensitive information from web browser cookies.

These information stealers operate by silently siphoning off credentials, primarily over HTTP, and occasionally employ keyloggers to gather even more data. This stolen information is then discreetly transmitted back to the attacker, often over encrypted channels. Initially, these tools were predominantly aimed at stealing money. However, their targets have expanded significantly over the years.

Shifting Targets
While stealing money remains a significant motivation for cybercriminals, information stealers have diversified their targets. With the rise of hacktivism and the desire for quick profits, attackers are increasingly targeting a broader range of victims. This shift has broadened the appeal of information stealers as a tool for cybercriminals.

The Business of Information Stealing
Information stealers are no longer limited to stealing credentials; they’ve evolved into multifunctional tools. Some stealers not only gather information but also monitor and record a user’s actions. This extended capability provides attackers with a wealth of valuable insights, allowing them to track everything from email logins to password manager usage.

As the market for information stealers becomes increasingly competitive, cybercriminals are adding more features to their products, such as integration with popular messaging platforms like Telegram. These platforms offer a convenient way for attackers to control and manage their malicious tools, further expanding their reach.

The Alarming Scale
Recent reports from cybersecurity sources reveal the alarming scale of information stealers’ impact. Bleeping Computer reported that over 20 million information stealer malware logs are sold on the dark web and Telegram channels daily. These logs have led to significant breaches in business environments, including access to critical applications such as Salesforce, HubSpot, and QuickBooks.Most of these logs, approximately 74%, are exposed on Telegram channels, with the remaining 25% appearing on Russian-speaking marketplaces. This widespread availability of information stealers highlights the urgency of addressing this issue.

Mobile Devices: The New Frontier
As more people rely on mobile devices for their daily tasks, cybercriminals are increasingly targeting these platforms. Attackers are developing information stealers designed specifically for Android devices, exploiting users’ trust in legitimate apps and downloads. These malicious apps are often hosted on Android stores, presenting an enticing trap for unsuspecting users.

Moreover, the younger generation’s increased access to mobile devices introduces a new layer of vulnerability. Children may inadvertently download malicious apps or click on dangerous links, opening the door to attackers looking to harvest credentials and sensitive data.

Information stealers are no longer a minor cybersecurity concern; they have become a significant threat to individuals and organizations worldwide. With an evolving landscape that now includes mobile devices and gamers as primary targets, it is imperative to shine a spotlight on this issue. Recognizing that information stealers are the critical entry point for many cyberattacks, we must prioritize their detection and prevention to safeguard our digital lives. As technology continues to advance, staying vigilant and informed is our best defense against this ever-growing threat.

Explore the rising menace of information stealers in the ever-evolving cybersecurity landscape. Discover their evolution, diversified targets, and alarming scale. Learn why vigilance and prevention are crucial in safeguarding digital lives.

John Rolley
Senior SOC Analyst at TeamWorx Security | Website | + posts

John Rolley is a 26-year Army Veteran. He is an innovative Cybersecurity professional with a proven successful history in the Defense industry. John has compiled a unique set of skills and experience by fulfilling multiple work roles in cyber over nine years, spanning both offensive and defensive cyber operations. During this time, he has gained the knowledge, skills, and abilities in threat hunting, incident response, malware reverse engineering, and cyberspace operations planning.

Alex Lothstein
Intelligence Analyst at TeamWorx Security | Website | + posts

Alex is an Intelligence Analyst at TeamWorx Security. He has experience in the history/museum world researching, writing, and breaking down large pieces of information on complex topics into understandable bits for a general audience. His experience analyzing the past to better understand the present is a great asset in his intelligence research and writing.

Back To Top