Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

2,594 detections

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.
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Arnold Chan@slaz
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Detections.ai Community
22 days ago
003
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.
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Arnold Chan@slaz
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Hunters
22 days ago
003
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.
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Arnold Chan@slaz
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Detections.ai Community
22 days ago
003
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.
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Arnold Chan@slaz
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Detections.ai Community
22 days ago
103
Detects DNS queries and TLS SNI traffic associated with known lookalike domains used by the threat actor TA419 for organization impersonation, which are commonly utilized in spearphishing campaigns.
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Arnold Chan@slaz
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Detection & Hunting Community
25 days ago
007
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.
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Arnold Chan@slaz
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Detection & Hunting Community
25 days ago
107
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.
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Arnold Chan@slaz
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Hunters
25 days ago
007
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.
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Ankit Mehta@Secvyn
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Detections.ai Community
29 days ago
1019
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.
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Arnold Chan@slaz
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Midnight Slayer
19 days ago
001
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.
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Arnold Chan@slaz
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Midnight Slayer
21 days ago
002
Detects HTTP responses and requests involving exposed Claude Code open directories (.claude/CLAUDE.md) tied to ARTEX operator infrastructure.
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Arnold Chan@slaz
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Detection & Hunting Community
21 days ago
002
Detects HTTP traffic associated with the Wazza phishing kit anti-bot mechanism, including token minting requests, signed token responses, and validation checks.
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Arnold Chan@slaz
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Detections.ai Community
21 days ago
002
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.
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Arnold Chan@slaz
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Detection & Hunting Community
21 days ago
002
Detects a multi-stage Wazza phishkit communication chain over HTTP, involving initial configuration retrieval, token minting, token firing, and subsequent redirection with signed tokens.
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Arnold Chan@slaz
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Midnight Slayer
21 days ago
002
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.
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Arnold Chan@slaz
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Detection & Hunting Community
21 days ago
002
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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Arnold Chan@slaz
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Hunters
21 days ago
002
Detects outbound network connections (HTTPS/TLS) to known malicious domains used by TA419 for AitM (Adversary-in-the-Middle) phishing campaigns. These domains are identified as part of a spoofed OneDrive document/file sharing theme intended to steal user credentials.
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Arnold Chan@slaz
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Midnight Slayer
25 days ago
006
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.
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Arnold Chan@slaz
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Midnight Slayer
25 days ago
006
Detects outbound network connections (HTTPS/TLS) to known malicious domains used by TA419 for AitM (Adversary-in-the-Middle) phishing campaigns. These domains are identified as part of a spoofed OneDrive document/file sharing theme intended to steal user credentials.
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Arnold Chan@slaz
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Detection & Hunting Community
25 days ago
005
Detects DNS queries and TLS SNI traffic associated with known lookalike domains used by the threat actor TA419 for organization impersonation, which are commonly utilized in spearphishing campaigns.
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Arnold Chan@slaz
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Hunters
25 days ago
005
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.
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Arnold Chan@slaz
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Hunters
25 days ago
005
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