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· New victim: ************* — insomnia· New victim: sansilvestre.edu.pe — krybit· New victim: JMS Southeast — akira· New victim: Padget Technologies — akira· New victim: Delegal Poindexter & Underkofler, P.A. — morpheus· New KEV: CVE-2025-67038 · Lantronix· New KEV: CVE-2026-34908 · Ubiquiti· New KEV: CVE-2026-34910 · Ubiquiti· New KEV: CVE-2026-34909 · Ubiquiti· New KEV: CVE-2026-20253 · Splunk· New victim: 2,775 new IOCs ingested in last 24h ************* — insomnia· New victim: sansilvestre.edu.pe — krybit· New victim: JMS Southeast — akira· New victim: Padget Technologies — akira· New victim: Delegal Poindexter & Underkofler, P.A. — morpheus· New KEV: CVE-2025-67038 · Lantronix· New KEV: CVE-2026-34908 · Ubiquiti· New KEV: CVE-2026-34910 · Ubiquiti· New KEV: CVE-2026-34909 · Ubiquiti· New KEV: CVE-2026-20253 · Splunk· 2,775 new IOCs ingested in last 24h
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Detection Rules — Sigma

Community-driven Sigma detection rules for SIEM and XDR platforms. Filter by severity level, status, and target product to find relevant rules for Windows, Linux, Azure, and cloud environments. Accelerate threat detection engineering.

Total Sigma Rules
3,737
104 stable · 3633 in test/experimental
Critical + High
1,886
174 critical · 1712 high
By Level
critical
174
high
1.7k
medium
1.5k
low
338
informational
28
🔍 Sigma Detection Rules12 results
Click row to view YAML · MITRE links clickable
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MITRE
12 rules
LevelTitleProduct / CategoryMITRE TechniquesStatusModified
critical
CobaltStrike Named Pipe Pattern Regex
windows / pipe_createdtest2026-06-18
critical
CobaltStrike Service Installations - System
windowstest2022-11-27
critical
CobaltStrike Named Pipe
windows / pipe_createdtest2022-10-31
high
Potential CobaltStrike Service Installations - Registry
windows / registry_settest2024-03-25
high
CobaltStrike Named Pipe Patterns
windows / pipe_createdtest2024-01-26
high
HackTool - CobaltStrike BOF Injection Pattern
windows / process_accesstest2023-11-28
high
HackTool - Potential CobaltStrike Process Injection
windows / create_remote_threadtest2023-05-05
high
Potential CobaltStrike Process Patterns
windows / process_creationtest2023-03-29
high
Potential Meterpreter/CobaltStrike Activity
windows / process_creationtest2023-02-05
high
CobaltStrike Service Installations - Security
windowstest2022-11-27
high
CobaltStrike Load by Rundll32
windows / process_creationtest2022-09-16
high
HackTool - CobaltStrike Malleable Profile Patterns - Proxy
proxytest