esfi[.]cc

The domain esfi.cc is identified as a generic phishing site designed to impersonate a login portal for credential harvesting. Analysis indicates the domain is currently offline, though it previously hosted a page titled 'Log In,' suggesting an attempt to mimic a legitimate authentication interface. The specific threat posed involves the unauthorized collection of user credentials, which could be exploited for further malicious activities such as account takeovers or financial fraud. Infrastructure analysis reveals the domain was registered through NameSilo, LLC on May 16, 2025, and resolves to the IP address 188.114.96.3. Security vendors on VirusTotal have flagged esfi.cc, with 5 out of 95 vendors marking it as malicious. The domain is blocked by multiple security mechanisms, including MetaMask, PhishDestroy, and SEAL, and appears on three distinct security blocklists. Additional technical indicators include the use of Cloudflare for hosting, HTTP/3 protocol support, and HSTS implementation. The Gridinsoft trust score for this domain is 24 out of 100, further corroborating its elevated risk profile. As of the latest assessment, esfi.cc has been taken offline, mitigating immediate threats to end users. However, the domain's infrastructure and registration details remain active, posing a residual risk of reactivation. Organizations and individuals are advised to maintain blocklist entries for this domain and its associated IP address. Network administrators should monitor for any attempts to resolve or communicate with esfi.cc and investigate any related traffic as potential indicators of compromise. Users who may have interacted with the site should reset credentials for any accounts accessed during the exposure window and enable multi-factor authentication where available.