Arnold Chan
@slazTrusted contributorCompletionist
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7,544 detections
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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 P7 DarkSword implant C2 beaconing: HTTP/1.0 JSON POSTs to /beacon, /event or /a with the hardcoded iPhone OS 18_5 Safari 18.5 User-Agent. Requires the full combination of protocol version, method, URI, UA and content type, and alerts only after 3 matching requests from one source within 120 seconds (detection_filter) to suppress one-off matches.
Detects devices reaching P7 DarkSword exploit-delivery hosts (cdn/js.gotoiphone.com, mzpo30.cam) and the agdx53.cc C2, with delivery-then-C2 chaining surfaced as the highest-confidence match. Matching is limited to the exact listed hosts and successful/attempted connection events.
Detects devices reaching P7 DarkSword exploit-delivery hosts (cdn/js.gotoiphone.com, mzpo30.cam) and the agdx53.cc C2, with delivery-then-C2 chaining surfaced as the highest-confidence match. Matching is limited to the exact listed hosts and successful/attempted connection events.
Detects a suspicious sequence of events involving NetScaler ADC or Gateway appliances: anomalous account authentication, followed by the establishment of a VPN or remote access session, and subsequent unusual outbound network activity indicating potential lateral movement or C2 communication from the appliance.
Detects a sequential pattern where a browser process (Chrome, Edge, or Safari) accesses an AI chat platform's conversation API, followed within 5 minutes by a network connection to a known unauthorized exfiltration destination (api.pbapi.xyz). This pattern suggests the potential use of a browser-based tool or extension (e.g., Poper Blocker or similar) to intercept and exfiltrate AI chat history.
Sweeps network connection, HTTP/proxy, file, and process telemetry for exact matches against known Cling botnet indicators: dedicated STUN C2/operator IPs, Cling MIPS loader staging URLs, and known Cling sample SHA256 hashes. Tightened to exclude broad domain-level matching on stun.l.google.com (legitimate, ubiquitous Google STUN infrastructure that Cling spoofs/abuses rather than owns) and to match payload-staging hosts only by full URL rather than bare IP, reducing false positives from shared/compromised hosting and unrelated legitimate STUN traffic.
Sweeps network connection, HTTP/proxy, file, and process telemetry for exact matches against known Cling botnet indicators: dedicated STUN C2/operator IPs, Cling MIPS loader staging URLs, and known Cling sample SHA256 hashes. Tightened to exclude broad domain-level matching on stun.l.google.com (legitimate, ubiquitous Google STUN infrastructure that Cling spoofs/abuses rather than owns) and to match payload-staging hosts only by full URL rather than bare IP, reducing false positives from shared/compromised hosting and unrelated legitimate STUN traffic.
Detects potential exploitation attempts targeting unpatched Citrix NetScaler ADC or Gateway devices, specifically looking for unauthenticated requests to management or sensitive endpoints that contain command execution indicators. This rule is designed to identify activity associated with vulnerabilities similar to CVE-2026-88771.
Detects HTTP, TLS, DNS, and TCP communication with known AhsayCBS campaign infrastructure and Alibaba OSS storage buckets used for payload delivery.
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