Network Connection Initiated To BTunnels Domains

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About the rule

Rule Type

Standard

Rule Description

Detects network connections to BTunnels domains initiated by a process on the system. Attackers can abuse that feature to establish a reverse shell or persistence on a machine.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "sa_network_connection" AND IS_INITIATED = "true" AND DESTINATIONHOST endswith ".btunnel.co.in" select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.PROCESSNAME,Action1.DESTINATIONHOST,Action1.DESTINATION_IPV6,Action1.DEST_IP,Action1.SOURCEHOST,Action1.SOURCE_IP,Action1.SOURCE_IPV6

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Kamran Saifullah