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104.155.119.81 has a very high threat confidence level of 94%, originating from Brussels, Belgium, on the Google LLC network (396982). It has been observed across 74 sessions targeting FTP, HTTPS, HTTP, ELASTICSEARCH, SMB and 3 other protocols, First observed on March 4, 2026, most recently active March 11, 2026.
Composite behavior identifying authenticated SMB interaction where a client accesses the IPC$ share, performs root directory reads, binds to the SAMR RPC interface, and interacts with the SRVSVC service pipe. This sequence is consistent with remote host and account enumeration activity over SMB, typically used to gather domain, user, and share information prior to lateral movement or privilege escalation attempts.
FTP session where the client enters passive mode (PASV) and issues a LIST command to retrieve a directory listing from the server.
FTP session where the client authenticates, queries the working directory, sets transfer mode, and enters passive mode without performing any file transfer or directory listing.
Identifies HTTP requests targeting the web server root path ("/"), typically used for initial service discovery, host validation, or baseline content inspection prior to deeper enumeration.
Identifies HTTPS requests targeting the web server root path ("/"), typically used for initial service discovery, host validation, or baseline content inspection prior to deeper enumeration