RainyDay
MITRE
Malware Type:
Other
Other
First seen:
Unknown
Unknown
Last seen:
Unknown
Unknown
Details:
[RainyDay](https://attack.mitre.org/software/S0629) is a backdoor tool that has been used by [Naikon](https://attack.mitre.org/groups/G0019) since at least 2020.(Citation: Bitdefender Naikon April 2021)
Associated Techniques (25)
| ID | ATT&CK | Tactics |
|---|---|---|
| T1005 | Data from Local System | - |
| T1007 | System Service Discovery | - |
| T1008 | Fallback Channels | - |
| T1027.013 | Encrypted/Encoded File | - |
| T1036.004 | Masquerade Task or Service | - |
| T1036.005 | Match Legitimate Resource Name or Location | - |
| T1053.005 | Scheduled Task | - |
| T1057 | Process Discovery | - |
| T1059.003 | Windows Command Shell | - |
| T1070.004 | File Deletion | - |
| T1071.001 | Web Protocols | - |
| T1074.001 | Local Data Staging | - |
| T1083 | File and Directory Discovery | - |
| T1090 | Proxy | - |
| T1095 | Non-Application Layer Protocol | - |
Used by Actors (1)
Metadata
| ID: | 103 |
| Created: | 13/01/2026 17:48 |
| Updated: | 06/03/2026 16:00 |