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Open Threat Intel Archive

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Open Threat Intel Archive

← Malware & tools

S0629malware

RainyDay

RainyDay is a backdoor tool that has been used by Naikon since at least 2020.

Platforms: Windows

MITRE ATT&CK ↗

Linked entities · 24

usesT1036.005Match Legitimate Resource Name or…usesT1106Native API usesT1070.004File Deletion usesT1567.002Exfiltration to Cloud Storage usesT1105Ingress Tool Transfer usesT1140Deobfuscate/Decode Files or Infor…usesT1071.001Web Protocols usesT1036.004Masquerade Task or Service usesT1007System Service Discovery usesT1057Process Discovery usesT1074.001Local Data Staging usesT1555.003Credentials from Web Browsers usesT1027.013Encrypted/Encoded File usesT1008Fallback Channels usesT1543.003Windows Service usesT1059.003Windows Command Shell usesT1090Proxy usesT1113Screen Capture usesT1083File and Directory Discovery usesT1555.004Windows Credential Manager usesT1053.005Scheduled Task usesT1095Non-Application Layer Protocol usesT1573.001Symmetric Cryptography usesT1574.001DLL