Security
Security agent skills give AI agents disciplined security workflows: code review for vulnerabilities, secret handling, dependency audits, and hardening checklists. Every skill on SkillMD also passes its own safety review before listing, with capability flags shown on each page.
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thedixitjain Bundle Analyzing Typosquatting Domains With DnstwistDetect typosquatting, homograph phishing, and brand impersonation domains using dnstwist to generate domain permutations and identify registered lookalike domains targeting your organization.
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thedixitjain Bundle Building Threat Intelligence Feed Integration'Builds automated threat intelligence feed integration pipelines connecting STIX/TAXII feeds, open-source threat intel, and commercial TI platforms into SIEM and security tools for real-time IOC matching and alerting. Use when SOC teams need to operationalize threat intelligence by automating feed ingestion, normalization, scoring, and distribution to detection systems. '
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thedixitjain Bundle Building Vulnerability Aging And Sla TrackingImplement a vulnerability aging dashboard and SLA tracking system to measure remediation performance against severity-based timelines and drive accountability.
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thedixitjain Bundle Bypassing Authentication With Forced BrowsingDiscovering and accessing unprotected pages, APIs, and administrative interfaces by enumerating URLs and bypassing authentication controls during authorized security assessments.
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thedixitjain Bundle Conducting External Reconnaissance With Osint'Conducts external reconnaissance using Open Source Intelligence (OSINT) techniques to map an organization''s external attack surface without directly interacting with target systems. The tester gathers information from public sources including DNS records, certificate transparency logs, search engines, social media, code repositories, and data breach databases to build a comprehensive target profile. Activates for requests involving OSINT reconnaissance, external footprinting, attack surface mapping, or passive information gathering. '
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thedixitjain Bundle Configuring Snort Ids For Intrusion Detection'Installs, configures, and tunes Snort 3 intrusion detection system to monitor network traffic for malicious activity using custom and community rulesets, preprocessors, and alert output plugins on authorized network segments. '
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thedixitjain Bundle Detecting Evasion Techniques In Endpoint Logs'Detects defense evasion techniques used by adversaries in endpoint logs including log tampering, timestomping, process injection, and security tool disabling. Use when investigating suspicious endpoint behavior, building detection rules for evasion tactics, or conducting threat hunting for stealthy adversary activity. Activates for requests involving evasion detection, defense evasion analysis, log tampering detection, or MITRE ATT&CK TA0005. '
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thedixitjain Bundle Exploiting Ms17 010 Eternalblue VulnerabilityMS17-010 (EternalBlue) is a critical vulnerability in Microsoft's SMBv1 implementation that allows remote code execution. Originally discovered by the NSA and leaked by the Shadow Brokers in 2017, it
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thedixitjain Bundle Hardening Windows Endpoint With Cis Benchmark'Hardens Windows endpoints using CIS (Center for Internet Security) Benchmark recommendations to reduce attack surface, enforce security baselines, and meet compliance requirements. Use when deploying new Windows workstations or servers, remediating audit findings, or establishing organization-wide security baselines. Activates for requests involving Windows hardening, CIS benchmarks, GPO security baselines, or endpoint configuration compliance. '
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thedixitjain Bundle Implementing Email Sandboxing With ProofpointEmail sandboxing detonates suspicious attachments and URLs in isolated environments to detect zero-day malware and evasive phishing payloads. Proofpoint Targeted Attack Protection (TAP) is an industry
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thedixitjain Bundle Implementing Ransomware Kill Switch Detection'Detects and exploits ransomware kill switch mechanisms including mutex-based execution guards, domain-based kill switches, and registry-based termination checks. Implements proactive mutex vaccination and kill switch domain monitoring to prevent ransomware from executing. Activates for requests involving ransomware kill switch analysis, mutex vaccination, WannaCry-style domain kill switches, or malware execution guard detection. '
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thedixitjain Bundle Performing Cryptographic Audit Of ApplicationA cryptographic audit systematically reviews an application's use of cryptographic primitives, protocols, and key management to identify vulnerabilities such as weak algorithms, insecure modes, hardco
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thedixitjain Bundle Performing Endpoint Vulnerability Remediation'Performs vulnerability remediation on endpoints by prioritizing CVEs based on risk scoring, deploying patches, applying configuration changes, and validating fixes. Use when remediating findings from vulnerability scans, responding to critical CVE advisories, or maintaining endpoint compliance with patch management SLAs. Activates for requests involving vulnerability remediation, CVE patching, endpoint vulnerability management, or security fix deployment. '
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thedixitjain Bundle Performing Ip Reputation Analysis With ShodanAnalyze IP address reputation using the Shodan API to identify open ports, running services, known vulnerabilities, and hosting context for threat intelligence enrichment and incident triage.
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thedixitjain Bundle Performing Open Source Intelligence GatheringOpen Source Intelligence (OSINT) gathering is the first active phase of a red team engagement, where operators collect publicly available information about the target organization to identify attack s
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thedixitjain Bundle Performing Vulnerability Scanning With Nessus'Performs authenticated and unauthenticated vulnerability scanning using Tenable Nessus to identify known vulnerabilities, misconfigurations, default credentials, and missing patches across network infrastructure, servers, and applications. The scanner correlates findings with CVE databases and CVSS scores to produce prioritized remediation guidance. Activates for requests involving vulnerability scanning, Nessus assessment, patch compliance checking, or automated vulnerability detection. '
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thedixitjain Bundle Reverse Engineering Dotnet Malware With Dnspy'Reverse engineers .NET malware using dnSpy decompiler and debugger to analyze C#/VB.NET source code, identify obfuscation techniques, extract configurations, and understand malicious functionality including stealers, RATs, and loaders. Activates for requests involving .NET malware analysis, C# malware decompilation, managed code reverse engineering, or .NET obfuscation analysis. '
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thedixitjain Bundle Verifying Build Provenance With Slsa SigstoreVerify signed artifacts and SLSA build provenance with Sigstore cosign and slsa-verifier, enforce keyless OIDC identity, and apply SLSA Build levels to harden the software supply chain.
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thedixitjain Bundle Implementing Web Application Logging With Modsecurity'Configure ModSecurity WAF with OWASP Core Rule Set (CRS) for web application logging, tune rules to reduce false positives, analyze audit logs for attack detection, and implement custom SecRules for application-specific threats. The analyst configures SecRuleEngine, SecAuditEngine, and CRS paranoia levels to balance security coverage with operational stability. Activates for requests involving WAF configuration, ModSecurity rule tuning, web application audit logging, or CRS deployment. '
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thedixitjain Bundle Analyzing Malware Behavior With Cuckoo Sandbox'Executes malware samples in Cuckoo Sandbox to observe runtime behavior including process creation, file system modifications, registry changes, network communications, and API calls. Generates comprehensive behavioral reports for malware classification and IOC extraction. Activates for requests involving dynamic malware analysis, sandbox detonation, behavioral analysis, or automated malware execution. '
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thedixitjain Bundle Configuring Windows Defender Advanced Settings'Configures Microsoft Defender for Endpoint (MDE) advanced protection settings including attack surface reduction rules, controlled folder access, network protection, and exploit protection. Use when hardening Windows endpoints beyond default Defender settings, deploying enterprise-grade endpoint protection, or meeting compliance requirements for advanced malware defense. Activates for requests involving Windows Defender configuration, ASR rules, MDE tuning, or Microsoft endpoint security. '
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thedixitjain Bundle Deploying Decoy Files For Ransomware Detection'Deploys canary files (honeytokens) across file systems to detect ransomware encryption activity in real time. Uses strategically placed decoy documents monitored via file integrity monitoring or OS-level watchdogs to trigger alerts when ransomware modifies or encrypts them. Activates for requests involving ransomware canary deployment, honeyfile setup, deception-based ransomware detection, or file integrity monitoring for encryption. '
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thedixitjain Bundle Detecting Network Scanning With Ids SignaturesDetect network reconnaissance and port scanning using Suricata and Snort IDS signatures, threshold-based detection rules, and traffic anomaly analysis to identify Nmap, Masscan, and custom scanning activity.
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thedixitjain Bundle Exploiting Broken Function Level Authorization'Tests APIs for Broken Function Level Authorization (BFLA) vulnerabilities where regular users can invoke administrative functions or access privileged API endpoints by directly calling them. The tester identifies admin and privileged endpoints, then attempts to access them with regular user credentials by manipulating HTTP methods, URL paths, and request parameters. Maps to OWASP API5:2023 Broken Function Level Authorization. Activates for requests involving BFLA testing, admin endpoint bypass, function-level access control testing, or API privilege escalation. '
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thedixitjain Bundle Implementing Honeypot For Ransomware Detection'Deploys canary files, honeypot shares, and decoy systems to detect ransomware activity at the earliest possible stage. Configures canary tokens embedded in strategic file locations that trigger alerts when ransomware attempts encryption, uses honeypot network shares that mimic high-value targets, and deploys Thinkst Canary appliances for comprehensive deception-based detection. Activates for requests involving ransomware honeypots, canary files, deception technology for ransomware, or early ransomware alerting. '
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thedixitjain Bundle Implementing Threat Modeling With Mitre Attack'Implements threat modeling using the MITRE ATT&CK framework to map adversary TTPs against organizational assets, assess detection coverage gaps, and prioritize defensive investments. Use when SOC teams need to align detection engineering with threat landscape, conduct threat assessments for new environments, or justify security tool procurement. '
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thedixitjain Bundle Implementing Vulnerability Sla Breach AlertingBuild automated alerting for vulnerability remediation SLA breaches with severity-based timelines, escalation workflows, and compliance reporting dashboards.
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thedixitjain Bundle Performing Cve Prioritization With Kev CatalogLeverage the CISA Known Exploited Vulnerabilities catalog alongside EPSS and CVSS to prioritize CVE remediation based on real-world exploitation evidence.
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thedixitjain Bundle Performing Power Grid Cybersecurity Assessment'This skill covers conducting cybersecurity assessments of electric power grid infrastructure including generation facilities, transmission substations, distribution systems, and energy management system (EMS) control centers. It addresses NERC CIP compliance verification, substation automation security, IEC 61850 protocol analysis, synchrophasor (PMU) network security, and the unique threat landscape targeting power grid operations as demonstrated by Industroyer/CrashOverride and related attacks. '
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thedixitjain Bundle Performing Yara Rule Development For DetectionDevelop precise YARA rules for malware detection by identifying unique byte patterns, strings, and behavioral indicators in executable files while minimizing false positives.
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thedixitjain Bundle Analyzing Certificate Transparency For PhishingMonitor Certificate Transparency logs using crt.sh and Certstream to detect phishing domains, lookalike certificates, and unauthorized certificate issuance targeting your organization.
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thedixitjain Bundle Analyzing Sbom For Supply Chain Vulnerabilities'Parses Software Bill of Materials (SBOM) in CycloneDX and SPDX JSON formats to identify supply chain vulnerabilities by correlating components against the NVD CVE database via the NVD 2.0 API. Builds dependency graphs, calculates risk scores, identifies transitive vulnerability paths, and generates compliance reports. Activates for requests involving SBOM analysis, software composition analysis, supply chain security assessment, dependency vulnerability scanning, CycloneDX/SPDX parsing, or CVE correlation. '
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thedixitjain Bundle Coercing Authentication With Coercer PetitpotamTrigger machine account authentication with PetitPotam (MS-EFSR) and Coercer across MS-RPRN, MS-DFSNM, and MS-FSRVP to feed NTLM relay into AD CS Web Enrollment (ESC8) and other relay targets.
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thedixitjain Bundle Detecting Malicious Scheduled Tasks With Sysmon'Detect malicious scheduled task creation and modification using Sysmon Event IDs 1 (Process Create for schtasks.exe), 11 (File Create for task XML), and Windows Security Event 4698/4702. The analyst correlates task creation with suspicious parent processes, public directory paths, and encoded command arguments to identify persistence and lateral movement via scheduled tasks. Activates for requests involving scheduled task detection, Sysmon persistence hunting, or T1053.005 Scheduled Task/Job analysis. '
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thedixitjain Bundle Implementing API Security Testing With 42crunchImplement comprehensive API security testing using the 42Crunch platform to perform static audit and dynamic conformance scanning of OpenAPI specifications.
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thedixitjain Bundle Implementing Syslog Centralization With RsyslogConfigure rsyslog for centralized log collection with TLS encryption, custom templates, and log rotation. Generates server and client configuration files with GnuTLS stream drivers, x509 certificate authentication, per-host log segregation, and reliable queue settings for high-availability syslog infrastructure.
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Frequently asked questions
What are Security agent skills?
Security agent skills give AI agents disciplined security workflows: code review for vulnerabilities, secret handling, dependency audits, and hardening checklists. Every skill on SkillMD also passes its own safety review before listing, with capability flags shown on each page.
Which Security skills are most installed?
Popular Security skills on SkillMD right now include implementing-threat-modeling-with-mitre-attack, performing-yara-rule-development-for-detection, performing-open-source-intelligence-gathering. Rankings shift as installs change; sort this page by "Most installs" for the live list.
Do Security skills work with Claude Code and Cursor?
Yes. Every skill here ships as a SKILL.md file, an open format that works in Claude Code, Claude.ai, Cursor, Codex, Windsurf, and 60+ other agents. Install one with npx skillmds@latest add <owner>/<name>, or copy the file into your agent's skills directory.