Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects HTTP, TLS, DNS, and TCP communication with known AhsayCBS campaign infrastructure and Alibaba OSS storage buckets used for payload delivery.
Detects an unauthenticated remote code execution attempt against AhsayCBS via the UpdateReceivers.do endpoint using the checkSysPwd parameter, associated with CVE-2026-105133 and CVE-2026-105134.
This rule monitors network traffic for communication with known malicious IP addresses (143.198.7.94 and 157.254.167.12) associated with the exploitation of NetScaler CVE-2026-88772 as part of the WHIPSHOT_SLAPSHOT campaign. These IPs are linked to staging, exploitation, and web shell backdoor installation activities.
Detects a network connection handshake indicating the use of Chisel, a fast TCP/UDP tunnel over HTTP, specifically identifying potential command-and-control beaconing activity.
Detects a network connection handshake indicating the use of Chisel, a fast TCP/UDP tunnel over HTTP, specifically identifying potential command-and-control beaconing activity.
Detects a network connection handshake indicating the use of Chisel, a fast TCP/UDP tunnel over HTTP, specifically identifying potential command-and-control beaconing activity.
Detects network activity related to the 'Blinder Tunnel' C2 infrastructure. The rules identify a Chisel tunnel client initiating a WebSocket handshake (identifiable by the 'chisel-v3-channel' header) to external infrastructure and a DNS lookup for a specific domain (soroshpasargad.com) identified as a relay nameserver used by the threat actor CL-STA-1178.
This rule monitors network traffic for TLS SNI and HTTP URI indicators associated with known typo-squatted or spoofed Google Drive and Google Meet phishing domains. It also detects the download of a specific ZIP archive used as a phishing lure.
This rule monitors network traffic for TLS SNI and HTTP URI indicators associated with known typo-squatted or spoofed Google Drive and Google Meet phishing domains. It also detects the download of a specific ZIP archive used as a phishing lure.
This rule detects outbound network connections directed at a known IP address associated with Akira ransomware infrastructure. The rule specifically monitors for communication with 64.227.4.134, which has been identified as a C2 node utilizing GOST tunnels. This behavior is indicative of established C2 connectivity by Akira ransomware actors.
Detects DNS queries, HTTP host headers, and TLS SNI traffic associated with known credential-phishing domains used by the threat actor TA419. The rule monitors for communication to a specific list of domains identified as malicious or used in phishing campaigns.
Detects network activity associated with the TA419 threat group's 'Frameless' Browser-in-the-Browser (BitB) Adversary-in-the-Middle (AitM) phishing campaign. The rules identify unauthorized OAuth2 authorization requests to non-Microsoft hosts that match known malicious client IDs, the delivery of BitB overlay scripts, and the subsequent execution of malicious scripts correlated with OneDrive-themed lookalike redirects, indicating a credential theft attempt.
Detects anomalous, high-frequency outbound connection attempts from a NetScaler appliance to internal network hosts. This pattern is indicative of potential post-exploitation lateral movement or internal network scanning by the SLAPSHOT malware (associated with CVE-2026-88772), as an appliance typically should not engage in rapid internal fan-out behavior.
Detects outbound SMTP traffic associated withAVERAT malware, tracking the EHLO sequence, STARTTLS command negotiation, server acceptance, and subsequent custom TLS ClientHello patterns on port 25.
Detects connections from internal hosts to the ARTEX-linked actor host 38.244.50.120, including requests for the exposed .claude/CLAUDE.md file and its open-directory port 18899.
Detects HTTP responses and requests involving exposed Claude Code open directories (.claude/CLAUDE.md) tied to ARTEX operator infrastructure.
Detects HTTP traffic associated with the Wazza phishing kit anti-bot mechanism, including token minting requests, signed token responses, and validation checks.
Detects network traffic (DNS, TLS SNI, and HTTP) associated with Wazza phishkit infrastructure, specifically looking for malicious domains like boegl-krysl.eu and coppietersrecherche.eu, as well as Cloudflare workers.dev domains used for beaconing and lures.
Detects a multi-stage Wazza phishkit communication chain over HTTP, involving initial configuration retrieval, token minting, token firing, and subsequent redirection with signed tokens.
Detects HTTP requests and responses associated with the Wazza phishing kit, specifically targeting the /api/wazza-config endpoint and its wildcard routing configuration JSON responses.
Detects an exploitation attempt against PoeLLM or LiteLLM MCP test/connection endpoint using a python3 stdio payload that fetches data from port 81.
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