- Published
- Source
- The Hacker News
- Filed under
- Botnets & C2, Malware & exploits
Threat actors have been observed attempting to exploit a now-patched critical security flaw impacting the Realtek Jungle software development kit (SDK) to deploy a botnet malware called Cling. "Cling is notable not because it introduces a new propagation technique, but because it repurposes ordinary STUN behavior into a practical command-and-control channel," Nozomi Networks said in…
Practical steps for any organisation
- Patch quickly, starting with anything facing the internet.
- Use multi-factor authentication everywhere it is offered.
- Keep tested, offline backups – and a plan for the day you need them.
More helpNCSC: 10 Steps to Cyber Security (opens in a new tab)NCSC: incident management (opens in a new tab)
Defender’s notebook
The attacker technique behind this story, in MITRE’s terms – and what to check in your own estate.
Application Layer Protocol
Command and ControlWhat a defender checks
- Hunt for beaconing: regular connections to rare domains.
- Check DNS logs for newly registered and look-alike domains.
- Block known C2 infrastructure from your threat intelligence.
Build the skillBlue Team Engineer · Network Security Engineering
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