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103.210.21.97 has a threat confidence score of 88%. This IP address from Singapore (AS135377, UCLOUD INFORMATION TECHNOLOGY HK LIMITED) has been observed in 9 honeypot sessions and reported 1 times targeting SSH protocols. Detected attack patterns include ssh authorized keys persistence established. First observed on April 18, 2026, most recently active April 21, 2026.
Removal of filesystem attribute protections from the user’s .ssh directory followed by deletion and recreation of the directory and insertion of a new public key into authorized_keys. This pattern reflects deliberate modification of SSH trust configuration to establish persistent key-based access.
| Reporter | Date | Category | Protocol | Comment |
|---|---|---|---|---|
| Anonymous | Apr 19, 2026, 12:10 | Brute Force | SSH | — |