Home > News > 🚨 Urgent: Budworm Hackers Target Telcos and Government – 5 Alarming Facts 🚨

🚨 Urgent: Budworm Hackers Target Telcos and Government – 5 Alarming Facts 🚨


Budworm Hackers Target Telcos and Government: An In-depth Analysis on the Ongoing Cyber Assaults

Budworm Hackers Target Telcos and Government sectors with alarming efficacy. This China-affiliated cyber group has caught the attention of cyber-security experts across the globe. Known by multiple names including APT27, Bronze Union, and Red Phoenix, Budworm has been active since 2013. They've modernized their hacking toolset, presenting a fresh wave of challenges to Middle Eastern telecoms and Asian government bodies as of August 2023.

As cyber-security threats evolve, understanding the modus operandi of groups like Budworm can help organizations better prepare for future attacks. This comprehensive guide delves deep into the recent operations of Budworm, examining its tactics, techniques, and procedures (TTPs).

A Brief History of Budworm

Budworm, with its various aliases like Emissary Panda and Iron Tiger, has been operational since at least 2013. The group has a long history of infiltrating a plethora of industry sectors, from political organizations to defense agencies, for intelligence collection. Their mission appears to be dual-faceted: steal sensitive data and maintain a stealthy presence over an extended period.

Read Symantec’s Report on Budworm

The Latest Offensives

In August 2023, Budworm Hackers Target Telcos and Government organizations in a renewed wave of cyber-attacks. This latest campaign targeted a Middle Eastern telecommunications firm and an Asian governmental body. The Symantec Threat Hunter Team, a division of Broadcom, highlighted these new cyber intrusions in a recent report.

Symantec’s Full Report

Tools and Tactics

When it comes to their hacking arsenal, Budworm prefers a blend of custom malware and off-the-shelf tools. Among their infamous tools are the China Chopper web shell, Gh0st RAT, and SysUpdate. These tools enable them to exfiltrate high-value information while maintaining long-term access to compromised systems.

One of the most intriguing aspects of Budworm’s toolkit is SysUpdate, which is a multi-faceted backdoor. This software has a range of capabilities including taking screenshots, terminating processes, conducting file operations, and even retrieving drive information.

Read about SysUpdate's features

image © 2024. all rights reserved.

Cybersecurity Implications

A 2017 report from SecureWorks disclosed Budworm's predilection for gathering defense, political, and security intelligence from organizations around the globe. Budworm is becoming an increasingly formidable threat, especially with its latest focus on the telecom industry in the Middle East. Several other hacking groups have also turned their attention to this sector, including the newly identified ShroudedSnooper and Sandman clusters.

SecureWorks 2017 Report

Stealth and Persistence

The group seems relatively unfazed by the idea of their activity being detected. They continue to utilize SysUpdate and other known techniques such as DLL side-loading. The group's unwavering commitment to its known tools and tactics suggests a level of confidence in their operation.

How Can Organizations Protect Themselves?

Given the sophisticated nature of Budworm's attacks, organizations should be well-prepared. Regularly updating security software and educating employees on the dangers of phishing emails can go a long way. Multi-factor authentication and regular monitoring of network traffic are other proactive steps that can be taken.


As Budworm Hackers Target Telcos and Government bodies, cybersecurity experts are left grappling with the group's evolving tactics. The need for robust cybersecurity measures has never been more acute. Groups like Budworm continue to raise the bar for what organizations need to prepare for, underscoring the never-ending cat and mouse game between hackers and cybersecurity experts.

Learn about cybersecurity best practices

Additional Resources

  1. Symantec's Latest Threat Reports
  2. SecureWorks’ Historical Analysis on Budworm
  3. TrendMicro's Deep Dive into SysUpdate
  4. CISA’s Cybersecurity Best Practices

Note: The external links are for demonstration purposes and may not lead to actual reports or resources.


Who are the Budworm Hackers?

The Budworm Hackers are a China-linked threat actor group known for targeting government and telecom entities. They have been active since at least 2013 under various names such as APT27, Bronze Union, Emissary Panda, Iron Tiger, Lucky Mouse, and Red Phoenix.

What was the scope of the most recent Budworm attack?

In August 2023, Budworm directed attacks against a Middle Eastern telecommunications organization and an Asian government agency. They employed an updated version of their SysUpdate toolkit to carry out the intrusion.

What are the key tools Budworm uses in their attacks?

Budworm leverages a variety of tools like China Chopper web shell, Gh0st RAT, HyperBro, PlugX, SysUpdate, and ZXShell to exfiltrate valuable information and maintain access to compromised systems over a long time.

How serious is the threat posed by Budworm?

Budworm is considered a formidable threat, particularly for its intelligence-gathering capabilities. They have been active in targeting a wide range of industry verticals over the years and have become increasingly sophisticated.

What kind of malicious activity has been observed on infected machines?

The only observed malicious activity on the compromised machines has been credential harvesting, as noted by Symantec. However, the toolkit Budworm employs is feature-rich and capable of various malicious operations.

What other sectors have Budworm targeted?

In addition to telecom and government agencies, Budworm has a history of targeting defense, security, and political intelligence worldwide.

How can organizations protect themselves against Budworm?

Preventive measures include keeping all software up to date, employing advanced threat detection solutions, and training staff on the latest cybersecurity best practices.

Has Budworm been linked to any other cyber-espionage groups?

So far, Budworm seems to operate independently but may share certain tactics, techniques, and procedures (TTPs) common to China-linked cyber-espionage groups.

Are there any indications that Budworm will halt or reduce its cyber-espionage activities?

No, Budworm continues to improve its toolset and techniques, indicating an ongoing and increasing level of activity.

How do I stay updated on Budworm’s activities?

To stay abreast of the latest developments related to Budworm, consider following reputable cybersecurity news sources, industry reports, and updates from threat intelligence services.


Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.