Arnold Chan
@slazTrusted contributorCompletionist
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7,544 detections
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Sweeps endpoint and firewall telemetry for connections to the two high-confidence BraZetsu infrastructure IPs. Review hits against the IP's first-seen date before blocking because the Njalla host has changed service.
Sweeps proxy, firewall and endpoint network telemetry for requests to the three published BraZetsu Pastebin dead-drop raw URLs used to retrieve the XOR-encrypted C2 config.
Sweeps DNS, endpoint network and proxy/firewall telemetry for BraZetsu C2, panel and shop domains using exact or subdomain matching. The apex installscenter.com remains active on Cloudflare with wildcard certificates.
Sweeps endpoint and firewall telemetry for connections to the two high-confidence BraZetsu infrastructure IPs. Review hits against the IP's first-seen date before blocking because the Njalla host has changed service.
Detects network, file, process, and email interactions associated with known IOCs related to Power BI phishing and rogue ScreenConnect campaigns over a 30-day lookback period.
This rule monitors endpoint telemetry for indicators of compromise (IOCs) associated with known malicious activity. It checks for file creation, process execution, and network connections that match a defined list of malicious file hashes (SHA256, SHA1, MD5), C2 IP addresses, and malicious domains or URL patterns.
Detects credential stuffing in Entra ID sign-in logs: one source IP failing against many distinct accounts within an hour, then succeeding on a small number of them.
Performs an IOC sweep for a known XMRig cryptojacking campaign exploiting a REDCap vulnerability (CVE-2026-90817), detecting matching network connections, file hashes, and process activities across endpoints.
Performs an IOC sweep for a known XMRig cryptojacking campaign exploiting a REDCap vulnerability (CVE-2026-90817), detecting matching network connections, file hashes, and process activities across endpoints.
Detects a successful device-code sign-in followed within 60 minutes by non-interactive replay from a different IP AND a persistence action (inbox rule, app consent, device add) from a non-original IP. Persistence is now mandatory (inner join) instead of optional, and the retired AADSignInEventsBeta table is replaced by EntraIdSignInEvents.
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