Detections

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

4,916 detections

Detects successful remote logons to network devices (routers, VPNs, NAS) using the 'admin' account. This pattern is indicative of credential spraying or brute-force attacks targeting weak default credentials on externally facing management interfaces, often associated with botnets or threat actors performing reconnaissance and initial access operations.
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Arnold Chan@slaz
Defender - KQL
1 month ago
000
Detects successful remote logons to network devices (routers, VPNs, NAS) using the 'admin' account. This pattern is indicative of credential spraying or brute-force attacks targeting weak default credentials on externally facing management interfaces, often associated with botnets or threat actors performing reconnaissance and initial access operations.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
000
Detects successful remote logons to network devices (routers, VPNs, NAS) using the 'admin' account. This pattern is indicative of credential spraying or brute-force attacks targeting weak default credentials on externally facing management interfaces, often associated with botnets or threat actors performing reconnaissance and initial access operations.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
000
Detects a sequence of events where a user visits a Cloudflare Pages URL (*.pages.dev) and shortly after, a suspicious command (mshta, powershell, or curl) is executed. This pattern is consistent with the UNC5142 threat actor's TTP of using social engineering lures hosted on Cloudflare Pages to trick users into running malicious commands.
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Arnold Chan@slaz
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Hunters
2 months ago
102
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 a sequence of events where a user visits a Cloudflare Pages URL (*.pages.dev) and shortly after, a suspicious command (mshta, powershell, or curl) is executed. This pattern is consistent with the UNC5142 threat actor's TTP of using social engineering lures hosted on Cloudflare Pages to trick users into running malicious commands.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
306
This rule monitors for inbound email activity containing sender domains or embedded URL domains known to be associated with malicious phishing campaigns. It flags emails matching a predefined list of suspicious sender domains or URLs that resolve to known malicious infrastructure.
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Ankit Mehta@Secvyn
Bharat Cyber Guardians
2 months ago
5010
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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Midnight Slayer
2 months ago
001
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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Detection & Hunting Community
2 months ago
001
This rule detects attempted exploitation of Adobe Commerce (Magento) via GraphQL, specifically targeting Template Property Poisoning through malicious 'styles' array injection as observed in the StyleSmuggler campaign (CVE-2025-54236).
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
006
This rule detects attempts to download known malicious NPM packages from the public npm registry (registry.npmjs.org) by monitoring network connection logs. It specifically looks for tarball (.tgz) downloads of packages and versions that have been identified as compromised or malicious. The rule extracts the package name and version from the download URL and compares it against a predefined list of malicious packages for high-fidelity detection.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
304
Detects alerts that reference specific CVEs historically exploited by the threat group QTFY against internet-facing applications, including common vulnerabilities in Pulse Secure, FortiOS, Citrix ADC, Exchange, F5 BIG-IP, Log4Shell, and others, when the alert severity is Medium or High and contains indicators of exploit or initial access.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
000
Detects DNS queries and TLS SNI traffic originating from internal hosts directed towards a specific set of domains associated with passkey/MFA/SSO-themed vishing lures. These domains are identified as potential components of phishing campaigns designed to deceive users into disclosing authentication credentials.
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Arnold Chan@slaz
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Midnight Slayer
2 months ago
002
This rule monitors for inbound email activity containing sender domains or embedded URL domains known to be associated with malicious phishing campaigns. It flags emails matching a predefined list of suspicious sender domains or URLs that resolve to known malicious infrastructure.
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Ankit Mehta@Secvyn
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Detections.ai Community
2 months ago
104
Detects DNS queries and TLS SNI traffic originating from internal hosts directed towards a specific set of domains associated with passkey/MFA/SSO-themed vishing lures. These domains are identified as potential components of phishing campaigns designed to deceive users into disclosing authentication credentials.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
101
This rule detects attempted exploitation of Adobe Commerce (Magento) via GraphQL, specifically targeting Template Property Poisoning through malicious 'styles' array injection as observed in the StyleSmuggler campaign (CVE-2025-54236).
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
002
Detects malicious traffic directed towards unpkg.com associated with the 'Beamglea' campaign. The rule specifically monitors for connections to known malicious npm-mirrored packages or pages serving fake Cloudflare CAPTCHA challenges, which are common tactics for credential theft and browser-based exploitation.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
002
Detects JNDI lookup patterns associated with Log4Shell (CVE-2021-44228) exploitation attempts.
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Anmol Vats@jerry
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Detection Engineers
2 months ago
309
Detects malicious traffic directed towards unpkg.com associated with the 'Beamglea' campaign. The rule specifically monitors for connections to known malicious npm-mirrored packages or pages serving fake Cloudflare CAPTCHA challenges, which are common tactics for credential theft and browser-based exploitation.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
001
Detects DNS queries and TLS SNI traffic originating from internal hosts directed towards a specific set of domains associated with passkey/MFA/SSO-themed vishing lures. These domains are identified as potential components of phishing campaigns designed to deceive users into disclosing authentication credentials.
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Arnold Chan@slaz
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Detections.ai Community
2 months ago
000
Detects unauthenticated command injection in Zimbra Collaboration (CVE-2026-73570).
The swatchdog Perl script spawns a shell that chains arbitrary commands after snmptrap,
indicating abuse of SNMP notifications via a crafted SMTP sender.
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Patrizio Perna@Patrickp88
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Detections.ai Community
2 months ago
11089
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