Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects periodic beaconing and C2 communication patterns associated with the RapidRust Golang RAT, attributed to the APT36 (Transparent Tribe) threat group. The rule monitors for specific DNS queries to typosquatted domains, TLS SNI mismatches, and specific HTTP API polling activities commonly used by this malware for C2 tasking.
This rule detects scheduled data transfers occurring at off-hours, characterized by a large data size (greater than 65000 bytes) in TCP traffic flowing from the home network to any destination. It uses a thresholding mechanism to alert if 100 such transfers are observed within a 300-second window from the same source.
This rule detects HTTP POST requests from the home network to any external server where the request body size is greater than 10000 bytes. It uses a threshold to alert if 5 such events occur from the same source IP within an hour, indicating a potential cron-timed data upload or exfiltration attempt.
Query 1 shows you any network communication happened from endpoints to a specific Remote IP or Remote URL.
Ensure to update RemoteIP and RemoteURL variable.
For questions @MiladMSFT on Twitter or milad.aslaner@microsoft.com by email.
Ensure to update RemoteIP and RemoteURL variable.
For questions @MiladMSFT on Twitter or milad.aslaner@microsoft.com by email.
