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Nullbulge

Nullbulge is a threat actor group, tracked by Brandefense. It targets the Media and Entertainment sector.

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Techniques
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Exploited CVEs
No CVE data
Record updated

Who They Target.

Sectors · 1

Vulnerabilities Linked To Their Tools.

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CVE-2021-44228Apache Log4j2 contains a vulnerability where JNDI features do not protect against attacker-controlled JNDI-related endpoints, allowing for remote code execution.ExploitedcriticalCVE-2024-57726SimpleHelp contains a missing authorization vulnerability that could allow low-privileged technicians to create API keys with excessive permissions.ExploitedcriticalCVE-2023-22515Atlassian Confluence Data Center and Server contains a broken access control vulnerability that allows an attacker to create unauthorized Confluence administrator accounts and…ExploitedcriticalCVE-2023-22518Atlassian Confluence Data Center and Server contain an improper authorization vulnerability that can result in significant data loss when exploited by an unauthenticated attacker.ExploitedcriticalCVE-2023-22527Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.ExploitedcriticalCVE-2024-27198JetBrains TeamCity contains an authentication bypass vulnerability that allows an attacker to perform admin actions.ExploitedcriticalCVE-2021-26855Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution.ExploitedcriticalCVE-2024-21887Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure) and Ivanti Policy Secure contain a command injection vulnerability in the web components of these products…ExploitedcriticalCVE-2023-46805Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure) and Ivanti Policy Secure gateways contain an authentication bypass vulnerability in the web component that…ExploitedhighCVE-2024-21893Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure), Ivanti Policy Secure, and Ivanti Neurons contain a server-side request forgery (SSRF) vulnerability in the…ExploitedhighCVE-2024-21412Microsoft Windows Internet Shortcut Files contains an unspecified vulnerability that allows for a security feature bypass.ExploitedhighCVE-2017-0199Microsoft Office and WordPad contain an unspecified vulnerability due to the way the applications parse specially crafted files.ExploitedhighCVE-2023-38831RARLAB WinRAR contains an unspecified vulnerability that allows an attacker to execute code when a user attempts to view a benign file within a ZIP archive.ExploitedhighCVE-2024-57727SimpleHelp remote support software contains multiple path traversal vulnerabilities that allow unauthenticated remote attackers to download arbitrary files from the SimpleHelp…ExploitedhighCVE-2024-57728SimpleHelp contains a path traversal vulnerability that allows admin users to upload arbitrary files anywhere on the file system by uploading a crafted zip file (i.e.Exploitedhigh

Arsenal · Malware And Tools.

  • LockBit 2.0malware
  • XWormmalware

About Nullbulge.

NullBulge is a cybercriminal threat group targeting AI and gaming focused entities. They weaponize code in publicly available repositories to distribute malware, including LockBit ransomware. The group claims to be motivated by a pro-art, anti-AI cause, but their activities indicate a financial focus. NullBulge uses obfuscated code in public repositories and malicious mods to target their victims.

Last updated Oct 9, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.