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Results for “sigma”

56 skills · sorted by relevance

Create threat detection rules in Sigma, a shared format for security log searches, and convert them for Splunk, Elastic, or Microsoft Sentinel. Validate syntax, test expected matches and false positives, and map coverage to MITRE ATT&CK.

  • Turning threat reports into detection rules
  • Reusing detection logic across SIEM platforms
  • Testing rule matches and reducing false positives
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Detect attacks that misuse legitimate Windows utilities such as certutil and mshta. Analyze process logs, command arguments, and parent-child relationships with Sigma detection rules, then report suspicious events with severity scores and supporting event details.

  • Investigating suspicious use of built-in Windows utilities
  • Creating Sigma rules for unusual command arguments
  • Finding Office apps that launch unexpected system utilities
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

malware-analysis

FreeSummary

Analyze suspected malware through code inspection and behavior observed in an isolated environment. Extract indicators of compromise, such as suspicious domains and file paths, and create YARA file-matching rules or Sigma behavior-detection rules from the findings.

  • Investigating suspicious executables, scripts, and macros
  • Extracting malicious domains, file paths, and other indicators
  • Creating YARA and Sigma detection rules
zhaoxuya520/reverse-skill42.7KUpdated Sep 22, 2026

threat-hunting

FreeSummary

Investigate signs of intrusion through hypothesis-led log searches, then turn findings into detection rules. Supports Sigma, YARA, and SIEM queries, with attention to false positives, data field mapping, and validation against historical logs.

  • Hunting for intrusion signs in security logs
  • Turning findings into Sigma or YARA rules
  • Investigating false positives and tuning alerts
zhaoxuya520/reverse-skill42.7KUpdated Sep 22, 2026

Builds vendor-agnostic detection rules using the Sigma rule format for threat detection across SIEM platforms including Splunk, Elastic, and Microsoft Sentinel. Use when creating portable detection logic from threat intelligence, mapping rules to MITRE ATT&CK techniques, or converting community Sigma rules into platform-specific queries using sigmac or pySigma backends.

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andycungkrinx91/konoha9Updated Oct 19, 2026

Builds vendor-agnostic detection rules using the Sigma rule format for threat detection across SIEM platforms including Splunk, Elastic, and Microsoft Sentinel. Use when creating portable detection logic from threat intelligence, mapping rules to MITRE ATT&CK techniques, or converting community Sigma rules into platform-specific queries using sigmac or pySigma backends.

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micsapp/micstec-skills4Updated Mar 20, 2026

Builds vendor-agnostic detection rules using the Sigma rule format for threat detection across SIEM platforms including Splunk, Elastic, and Microsoft Sentinel. Use when creating portable detection logic from threat intelligence, mapping rules to MITRE ATT&CK techniques, or converting community Sigma rules into platform-specific queries using sigmac or pySigma backends.

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aniket2348823/Vul-Agent2Updated Jun 9, 2026

Detect attacks that misuse legitimate Windows tools by examining command arguments, parent and child processes, and network connections. Create Sysmon logging configurations and Sigma detection rules, analyze endpoint logs, and review application controls while accounting for legitimate usage.

  • Creating detection rules for misuse of Windows tools
  • Investigating unusual process chains in alerts
  • Hunting for fileless attacks in endpoint logs
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Extract durable ktx wiki knowledge from staged Sigma data model specs and workbook summaries. Load for WorkUnits with unitKey sigma-data-models or sigma-workbooks.

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Kaelio/ktx1.6KUpdated Oct 17, 2026

Converts hunt findings into portable Sigma detection rules: choosing the right logsource, expressing robust selection/filter logic, setting level and ATT&CK tags, and validating before converting to a SIEM query. Activates for requests to write a Sigma rule, convert a hunt to a detection, or create portable SIEM detection logic.

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meltedinhex/analyst-ai-pack22Updated Jul 7, 2026

Comprehensive Lean Six Sigma consulting skill supporting all belt levels (White Belt to Master Black Belt). Use this skill for DMAIC/DMADV project execution, Lean waste elimination (VSM, 8 Wastes/DOWNTIME, 5S), statistical analysis (process capability Cp/Cpk, control charts, hypothesis testing), and Six Sigma training/education. Triggers include "improve process", "reduce defects", "sigma level", "DMAIC project", "value stream mapping", "Kaizen", "process capability", "control chart", "root cause analysis", "5 Whys", "Fishbone diagram", "FMEA", "DOE", or requests involving process improvement methodologies.

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takusaotome/claude-skills-library9Updated Oct 5, 2026

Turn cyber threat intelligence reports into a searchable library of attacker behaviors linked to MITRE ATT&CK techniques. Export structured STIX 2.1 data, a threat information exchange format, and create detection rule templates from documented activity.

  • Cataloging attacker behaviors from threat intelligence reports
  • Organizing attack patterns by tactic, technique, and threat actor
  • Creating detection rule templates from documented behaviors
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Use when the user asks for a SIGMA detection rule, "write a SIGMA rule for X", or `/hash-investigation` / `/malware-analysis` surfaces behaviour worth a vendor-agnostic detection. Format spec + writing guide.

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Liberty91LTD/cti-skills27Updated Sep 30, 2026

Converts a successful threat hunt into a durable detection by extracting the discriminating logic, defining data sources and thresholds, and emitting a Sigma rule plus a test and tuning plan. Activates for requests to operationalize a hunt, turn a finding into a detection rule, or productionize hunt logic as a Sigma detection.

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meltedinhex/analyst-ai-pack22Updated Jul 7, 2026

Application of Six Sigma quality methodology to AI agent process improvement and reliability

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curiositech/windags-skills16Updated Oct 14, 2026

Investigate malicious code placed inside legitimate Windows processes using memory analysis, event logs, and API monitoring. Identify injection methods, examine extracted code, and produce evidence reports and detection rules for suspicious process behavior.

  • Investigating unexpected connections from legitimate processes
  • Finding injected code in memory dumps
  • Classifying process hollowing and other injection methods
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Investigate Windows malware that runs in memory or abuses legitimate system tools. Use logs, registry entries, and memory dumps to trace persistence, identify suspicious activity, and produce detection rules and an analysis report.

  • Investigating suspicious PowerShell activity
  • Checking WMI persistence mechanisms
  • Finding malicious code in memory dumps
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

process-mapper

FreeSummary

Map repeatable business processes by owner and analyze time spent working, waiting, or reworking. Using stage-level timing data, produce a process diagram, ranked bottlenecks, and cycle-time measures to focus improvements on the main constraint.

  • Documenting procurement and employee onboarding workflows
  • Identifying bottlenecks in slow business processes
  • Making waits between teams visible
alirezarezvani/claude-skills28.4KUpdated Aug 30, 2026

Problem-solving strategies for sigma algebras in measure theory

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parcadei/Continuous-Claude-v33.9KUpdated Jan 27, 2026

Designs and reviews detections from telemetry prerequisites, correlation logic, Sigma metadata, severity, status, and benign cases. Use for detection rules, Sigma review, analytic coverage, or tuning; not generic logging advice or live deployment.

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HoangNguyen0403/agent-skills-standard578Updated Oct 18, 2026

Security log parsing, anomaly detection, SIEM query building, Sigma rule creation, and correlation rule development across Splunk, Elastic, QRadar, and Microsoft Sentinel

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Masriyan/Claude-Code-CyberSecurity-Skill487Updated Oct 16, 2026

Engineer and audit SIEM detection rules — log source coverage, Sigma / KQL / SPL / Elastic query authoring, MITRE ATT&CK mapping, false-positive tuning, and detection-as-code workflows. Use when the user mentions 'SIEM,' 'detection engineering,' 'detection rules,' 'Sigma,' 'KQL,' 'SPL,' 'Splunk,' 'Sentinel,' 'Elastic,' 'Wazuh,' 'Chronicle,' 'detection-as-code,' 'MITRE ATT&CK mapping,' 'log coverage,' 'alert tuning,' 'use case development,' or needs help building or improving security detections.

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briiirussell/cybersecurity-skills426Updated May 27, 2026

Use when 用户想以一对一苏格拉底导师的方式系统学习一个课题——开一门新课、推进课题的下一篇、提交学习反馈或说「我读完了」、或整理/查看学习日志。基于 Bloom 2 Sigma 的交互式学习系统。触发词:开个文件夹学X、我想学X、帮我学X、继续、下一篇、我读完了、整理学习、查看学习日志、interactive Socratic tutoring、Bloom 2 sigma learning。

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Li-Evan/Bloom289Updated Sep 17, 2026

Maps observed adversary behaviors, security alerts, and detection rules to MITRE ATT&CK techniques and sub-techniques to quantify detection coverage and guide control prioritization. Use when building an ATT&CK-based coverage heatmap, tagging SIEM alerts with technique IDs, aligning security controls to adversary playbooks, or reporting threat exposure to executives. Activates for requests involving ATT&CK Navigator, Sigma rules, MITRE D3FEND, or coverage gap analysis.

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galyarderlabs/galyarder-framework27Updated Oct 11, 2026