Arnold Chan
@slazTrusted contributorCompletionist
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7,544 detections
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Sweeps email telemetry for exact matches against known Kimsuky (APT-C-55) infrastructure email addresses. Matches are exact and case-insensitive. MatchType separates inbound mail from the actor and outbound mail to the actor.
Detects network connections, process executions, file creations, and image loads associated with the UNC7017 AOMEI supply chain campaign IOC sweep, including specific malicious URLs, domains, IPs, file paths, and hashes.
This rule performs a sweep across device file and network events for indicators of compromise (IOCs) associated with the UAT-11587/Antino campaign. It detects malicious file hashes, specific C2 domain connections, and known lure URLs (HTA/WSF) identified by Cisco Talos.
Correlates a delivered PDF attachment with the same user's browser visiting Mir0Auth C2-style paths within 4 hours. Restricted to browser processes and successful connections, excludes dev/code-hosting domains, and matches users by mailbox alias (DeviceInfo LoggedOnUsers holds UserName, not full email).
IOC sweep for P7 DarkSword / Coruna: known file hashes, C2/exploit-host IPs, domains and URLs against Defender device file and network events. Tightened to public IPs, connection action types, exact hosts/subdomains and path-qualified URLs; the shared AWS IP is only matched with its C2 port.
Detects network connections, process command-line executions, and email URL info matching known APT28 (Swallowtail, HOOKEDGE, LegionRelay) indicators of compromise, including specific IP addresses and GUIDs.
Detects network connections, process executions, file creations, and image loads associated with the UNC7017 AOMEI supply chain campaign IOC sweep, including specific malicious URLs, domains, IPs, file paths, and hashes.
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.
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.
Detects external inbound FortiGate Fabric Management Protocol (FGFM) traffic on TCP port 541 followed by a FortiGateCloud administrative configuration download, backup, or running-config event on the same FortiGate device within a one-hour window, potentially indicating unauthorized configuration access or device compromise.
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