Yokai Backdoor: The DLL Side-Loading Spectacle That Threatens Your PC’s Sanity
During threat hunting, the Netskope team discovered a legitimate iTop Data Recovery app side-loading a new backdoor named Yokai. DLL side-loading allows malware to execute under the guise of trusted programs, making it an appealing technique for threat actors. Stay tuned as we dissect the Yokai backdoor’s sneaky shenanigans!

Hot Take:
Just when you thought it was safe to recover lost files, in comes iTop Data Recovery, not only offering to retrieve your cherished data but also throwing in a free backdoor for those lonely nights when hackers want to drop by unannounced. Who needs friends when you have Yokai?
Key Points:
- DLL side-loading continues to be a favorite method for cyber villains, like APT41 and Daggerfly, to sneak in under the radar.
- Netskope uncovered a new Yokai backdoor via a legitimate data recovery app, proving once again that good intentions can lead to malware hell.
- Decoy documents in Thai play hide and seek with unsuspecting users, disguising malicious payloads as harmless PDFs and DOCXs.
- The Yokai backdoor has a penchant for spawning processes like rabbits, potentially affecting system performance and detection.
- Netskope suggests ramping up security policies, inspecting web traffic, and using Remote Browser Isolation to stay one step ahead of these cyber tricksters.
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