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Search dns , found 36 results

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Zeek DNS Exfiltration

detecting-exfiltration-over-dns-with-zeek

mukul975/Anthropic-Cybersecurity-Skills

Analyzes Zeek dns.log to spot high-entropy subdomains, long labels, and query-volume anomalies, helping SOC teams detect DNS tunneling and exfiltration.

Zeek Network Anomaly Detection

detecting-network-anomalies-with-zeek

mukul975/Anthropic-Cybersecurity-Skills

Deploys Zeek to passively monitor network traffic, emit structured connection/DNS/HTTP/SSL logs, and run custom scripts that flag anomalous behavior for threat hunting and incident response teams.

Zeek DNS Tunneling Hunt

hunting-for-dns-tunneling-with-zeek

mukul975/Anthropic-Cybersecurity-Skills

Detect DNS tunneling data exfiltration by analyzing Zeek dns.log for high-entropy subdomains, long queries, unusual record types, and elevated volume, correlating with connection metadata and threat intelligence.

Cloudflare DDoS Mitigation

implementing-ddos-mitigation-with-cloudflare

mukul975/Anthropic-Cybersecurity-Skills

Configures Cloudflare's DDoS protection stack—managed rulesets for L3/4 and L7, WAF, rate limiting, Bot Management, DNS safeguards, and origin hardening—to stop volumetric, protocol, and application floods.

Canarytoken Deception Detection

implementing-deception-based-detection-with-canarytoken

mukul975/Anthropic-Cybersecurity-Skills

Automates Canary Tokens via the Thinkst Canary API to deploy web bugs, DNS, document, and AWS key tokens, monitor alerts, and report deception coverage for breach detection and response.

DMARC DKIM SPF Setup

implementing-dmarc-dkim-spf-email-security

mukul975/Anthropic-Cybersecurity-Skills

Step-by-step guide to implement SPF, DKIM, and DMARC so administrators can authenticate outbound mail, block spoofing, and monitor compliance through DNS records and reporting scripts.

Email Authentication Audit

implementing-email-security-with-dmarc-dkim-spf

mukul975/Anthropic-Cybersecurity-Skills

Audits a domain’s email authentication by querying SPF, DKIM, and DMARC DNS records using dnspython, validating syntax/counts, flagging common spoofing risks, and producing remediation guidance.

Honeytokens Breach Detection

implementing-honeytokens-for-breach-detection

mukul975/Anthropic-Cybersecurity-Skills

Deploys honeytokens and Canarytokens (fake AWS creds, DNS canaries, document beacons, database records) that trigger alerting webhooks to surface unauthorized access, serving as deception-based early warning for intrusion detection.

Arkime Traffic Analysis

implementing-network-traffic-analysis-with-arkime

mukul975/Anthropic-Cybersecurity-Skills

Deploy Arkime to capture full packets, query sessions, and flag DNS, HTTP, and TLS anomalies so analysts can investigate suspicious flows and beaconing behaviors during security assessments or architecture hardening.

NextDNS Zero Trust DNS

implementing-zero-trust-dns-with-nextdns

mukul975/Anthropic-Cybersecurity-Skills

Blueprint for implementing NextDNS as a zero trust DNS filtering layer, covering encrypted resolution, threat intelligence, privacy protections, allow/deny lists, and endpoint deployment steps for Windows, macOS, and Linux.

API Inventory And Discovery

performing-api-inventory-and-discovery

mukul975/Anthropic-Cybersecurity-Skills

Performs API inventory and discovery via passive traffic analysis, active scans, DNS/JavaScript enumeration, and cloud inventories to catalog documented, undocumented, shadow, zombie, and deprecated endpoints ahead of security assessments or compliance checks.

Blind SSRF Exploitation Guide

performing-blind-ssrf-exploitation

mukul975/Anthropic-Cybersecurity-Skills

Step-by-step methodology for detecting and exploiting blind Server-Side Request Forgery vulnerabilities using out-of-band callbacks, timing analysis, internal scanning, metadata access, and filter bypass techniques during web security assessments.

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