Detections

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

2,594 detections

Detects HTTP GET requests to '/api.php?t=' containing a 13-digit timestamp identifier, followed by a response body containing 'download_link'. This pattern is indicative of the SilverFox malware relaying instructions or stage-two payload delivery.
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Arnold Chan@slaz
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Hunters
2 months ago
001
Detects a host making 3 or more outbound connections within 5 minutes to AWS-hosted IP addresses known to host NJRAT C2 infrastructure from the GTA6 lure campaign, consistent with periodic RAT beaconing rather than a one-off incidental connection.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
001
Detects a host making 3 or more outbound connections within 5 minutes to AWS-hosted IP addresses known to host NJRAT C2 infrastructure from the GTA6 lure campaign, consistent with periodic RAT beaconing rather than a one-off incidental connection.
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Arnold Chan@slaz
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Hunters
2 months ago
001
Detects high-frequency requests to the RubyGems legacy API key endpoint, which may indicate attempts to harvest or bruteforce developer API keys. The rule specifically monitors for request patterns involving variations like .yaml, .json, or parameter-based variants often observed in scanning activities.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
002
Detects high-frequency requests to the RubyGems legacy API key endpoint, which may indicate attempts to harvest or bruteforce developer API keys. The rule specifically monitors for request patterns involving variations like .yaml, .json, or parameter-based variants often observed in scanning activities.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
This rule detects potential Server-Side Request Forgery (SSRF) attempts targeting specific UK council ModernGov websites (e.g., Lambeth, Wandsworth, Southwark). It looks for outbound HTTP requests from non-browser clients (specifically identifying 'Ruby' in the User-Agent string) to these specific gov.uk domains, with a threshold to catch repeated attempts.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
002
Detects network communication associated with Mantax Otax Android malware, including traffic to identified command-and-control (C2) infrastructure and attempts to retrieve dynamic configuration files from GitHub.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
003
Detects network traffic (TLS SNI or HTTP Host) to Firebase domains (firebaseio.com, firebaseapp.com, firebasedatabase.app) associated with Mantax Otax and other Android ransomware families for ransom negotiation chat channels.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
003
Detects network traffic (TLS SNI or HTTP Host) to Firebase domains (firebaseio.com, firebaseapp.com, firebasedatabase.app) associated with Mantax Otax and other Android ransomware families for ransom negotiation chat channels.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
003
This rule detects network traffic directed to the subdomain 'testing.perplexity.com', which is identified as being associated with the BragJack campaign. This specific subdomain is leveraged by the campaign to facilitate browser session redirect bypasses, indicative of an attempt to intercept or manipulate user sessions.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
000
This rule detects network traffic directed to the subdomain 'testing.perplexity.com', which is identified as being associated with the BragJack campaign. This specific subdomain is leveraged by the campaign to facilitate browser session redirect bypasses, indicative of an attempt to intercept or manipulate user sessions.
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Arnold Chan@slaz
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Midnight Slayer
1 month ago
000
Detects unauthorized or suspicious POST requests to the Cisco Firepower Management Center (FMC) web interface that lack standard authentication headers (Cookie, Authorization, or X-Api-Token). This pattern is consistent with exploit attempts targeting CVE-2026-20079.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
004
Detects SMTP MAIL FROM/Reply-To headers, DNS queries, or TLS SNI matches for known Business Email Compromise (BEC) lookalike domains (e.g., service-nowinc.com, domainlify.net) used for phishing or spoofing organizational identities.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
002
Detects SMTP MAIL FROM/Reply-To headers, DNS queries, or TLS SNI matches for known Business Email Compromise (BEC) lookalike domains (e.g., service-nowinc.com, domainlify.net) used for phishing or spoofing organizational identities.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
Detects attempts to bypass AWS IMDSv2 security protections via the LiteLLM /config/pass_through_endpoint, where attackers inject the 'x-pass-X-aws-ec2-metadata-token' header to potentially strip authentication requirements.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
002
Detects attempts to bypass AWS IMDSv2 security protections via the LiteLLM /config/pass_through_endpoint, where attackers inject the 'x-pass-X-aws-ec2-metadata-token' header to potentially strip authentication requirements.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
Detects a multi-stage authentication bypass attempt against LiteLLM MCP endpoints. The rule tracks an initial malformed Authorization Bearer token request to the /mcp/ endpoint, followed by a server response returning a 200 OK status code accompanied by an 'mcp-session-id' header, confirming the exploitation of CVE-2026-59822.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
Detects incoming HTTP requests to sensitive LiteLLM endpoints (/mcp and /guardrails) which are typically intended for internal or controlled use. Exposing these to the public internet may allow unauthorized individuals to interact with, enumerate, or exploit the LiteLLM framework's capabilities.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
002
Detects network activity associated with the Mantax/Otax Android malware family, specifically identifying C2 communication to the domain apimantax.otax.fun via TLS SNI and HTTP host headers, as well as potential dynamic C2 configuration retrieval via GitHub using the OkHttp client.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
003
This rule detects command-and-control (C2) communication patterns associated with the 'soraki-proxy.workers.dev' domain, a Cloudflare Workers-hosted proxy service. Additionally, it identifies potential malicious mTLS implants by flagging non-standard TLS handshakes that use self-signed or auto-generated certificates missing standard organization (O) fields in the subject DN.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
102
This rule detects command-and-control (C2) communication patterns associated with the 'soraki-proxy.workers.dev' domain, a Cloudflare Workers-hosted proxy service. Additionally, it identifies potential malicious mTLS implants by flagging non-standard TLS handshakes that use self-signed or auto-generated certificates missing standard organization (O) fields in the subject DN.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
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