Security News > 2022 > March > Public Redis exploit used by malware gang to grow botnet
The Muhstik malware gang is now actively targeting and exploiting a Lua sandbox escape vulnerability in Redis after a proof-of-concept exploit was publicly released.
On March 10th, a proof-of-concept exploit was publicly released on GitHub, allowing malicious actors to run arbitrary Lua scripts remotely, achieving sandbox escape on the target host.
According to a report by Juniper Threat Labs, just one day after the PoC was released, the Muhstik gang began actively exploiting the flaw to drop malware that supports its DDoS operations.
The Muhstik botnet is thought to be operated out of China, as researchers have previously linked its control infrastructure to a Chinese forensics firm.
In September, Muhstik switched to attacking Confluence Servers through CVE-2021-26084, and in December, it focused on exploiting vulnerable Apache Log4j deployments.
To protect your systems against the Muhstik gang, be sure to update your Redis package to the latest available version or switch to non-vulnerable tools such as Bionic or Trusty.
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Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-08-30 | CVE-2021-26084 | Expression Language Injection vulnerability in Atlassian Confluence Data Center and Confluence Server In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. | 9.8 |