nexuslinkproductions/yuri-os - Page 6

cyber-hunting-credential-stuffing-attacks

Detects credential stuffing attacks by analyzing authentication logs for login velocity anomalies, ASN diversity, password spray patterns, and geographic distribution of failed logins. Uses statistical analysis on Splunk or raw log data. Use when…

Langue du texte source : anglais

cyber-hunting-evtx-with-chainsaw

Perform rapid Sigma and keyword hunting across Windows event logs with Chainsaw.

Langue du texte source : anglais

cyber-hunting-for-anomalous-powershell-execution

Hunt for malicious PowerShell activity by analyzing Script Block Logging (Event 4104), Module Logging (Event 4103), and process creation events. The analyst parses Windows Event Log EVTX files to detect obfuscated commands, AMSI bypass attempts, encoded…

Langue du texte source : anglais

cyber-hunting-for-beaconing-with-frequency-analysis

Identify command-and-control beaconing patterns in network traffic by applying statistical frequency analysis, jitter calculation, and coefficient of variation scoring to detect periodic callbacks from compromised endpoints.

Langue du texte source : anglais

cyber-hunting-for-cobalt-strike-beacons

Detect Cobalt Strike beacon network activity using default TLS certificate signatures (serial 8BB00EE), JA3/JA3S/JARM fingerprints, HTTP C2 profile pattern matching, beacon jitter analysis, and named pipe detection via Zeek, Suricata, and Python PCAP analysis.

Langue du texte source : anglais

cyber-hunting-for-command-and-control-beaconing

Detect C2 beaconing patterns in network traffic using frequency analysis, jitter detection, and domain reputation to identify compromised endpoints communicating with adversary infrastructure.

Langue du texte source : anglais

cyber-hunting-for-data-exfiltration-indicators

Hunt for data exfiltration through network traffic analysis, detecting unusual data flows, DNS tunneling, cloud storage uploads, and encrypted channel abuse.

Langue du texte source : anglais

cyber-hunting-for-data-staging-before-exfiltration

Detect data staging activity before exfiltration by monitoring for archive creation with 7-Zip/RAR, unusual temp folder access, large file consolidation, and staging directory patterns via EDR and process telemetry

Langue du texte source : anglais

cyber-hunting-for-dcom-lateral-movement

Hunt for DCOM-based lateral movement by detecting abuse of MMC20.Application, ShellBrowserWindow, and ShellWindows COM objects through Sysmon Event ID 1 (process creation) and Event ID 3 (network connection) correlation, WMI event analysis, RPC endpoint…

Langue du texte source : anglais

cyber-hunting-for-dcsync-attacks

Detect DCSync attacks by analyzing Windows Event ID 4662 for unauthorized DS-Replication-Get-Changes requests from non-domain-controller accounts.

Langue du texte source : anglais

cyber-hunting-for-defense-evasion-via-timestomping

Detect NTFS timestamp manipulation (MITRE T1070.006) by comparing $STANDARD_INFORMATION vs $FILE_NAME timestamps in the MFT. Uses analyzeMFT and Python to identify files with anomalous temporal patterns indicating anti-forensic timestomping activity.

Langue du texte source : anglais

cyber-hunting-for-dns-based-persistence

Hunt for DNS-based persistence mechanisms including DNS hijacking, dangling CNAME records, wildcard DNS abuse, and unauthorized zone modifications using passive DNS databases, SecurityTrails API, and DNS audit log analysis.

Langue du texte source : anglais

cyber-hunting-for-dns-tunneling-with-zeek

Detect DNS tunneling and data exfiltration by analyzing Zeek dns.log for high-entropy subdomain queries, excessive query volume, long query lengths, and unusual DNS record types indicating covert channel communication.

Langue du texte source : anglais

cyber-hunting-for-domain-fronting-c2-traffic

Detect domain fronting C2 traffic by analyzing SNI vs HTTP Host header mismatches in proxy logs and TLS certificate discrepancies using pyOpenSSL for certificate inspection

Langue du texte source : anglais

cyber-hunting-for-lateral-movement-via-wmi

Detect WMI-based lateral movement by analyzing Windows Event ID 4688 process creation and Sysmon Event ID 1 for WmiPrvSE.exe child process patterns, remote process execution, and WMI event subscription persistence.

Langue du texte source : anglais

cyber-hunting-for-living-off-the-cloud-techniques

Hunt for adversary abuse of legitimate cloud services for C2, data staging, and exfiltration including abuse of Azure, AWS, GCP services, and SaaS platforms.

Langue du texte source : anglais

cyber-hunting-for-living-off-the-land-binaries

Proactively hunt for adversary abuse of legitimate system binaries (LOLBins) to execute malicious payloads while evading detection.

Langue du texte source : anglais

cyber-implementing-aes-encryption-for-data-at-rest

AES (Advanced Encryption Standard) is a symmetric block cipher standardized by NIST (FIPS 197) used to protect classified and sensitive data. This skill covers implementing AES-256 encryption in GCM m

Langue du texte source : anglais

cyber-implementing-alert-fatigue-reduction

Implements strategies to reduce SOC alert fatigue by tuning detection rules, consolidating duplicate alerts, implementing risk-based alerting, and measuring alert quality metrics to maintain analyst effectiveness and prevent critical alert dismissal. Use when…

Langue du texte source : anglais

cyber-implementing-anti-phishing-training-program

Security awareness training is the human layer of phishing defense. An effective anti-phishing training program combines regular simulations, interactive learning modules, metric tracking, and positiv

Langue du texte source : anglais

cyber-implementing-anti-ransomware-group-policy

Configures Windows Group Policy Objects (GPO) to prevent ransomware execution and limit its spread. Implements AppLocker rules, Software Restriction Policies, Controlled Folder Access, attack surface reduction rules, and network protection settings. Activates…

Langue du texte source : anglais

cyber-implementing-api-abuse-detection-with-rate-limiting

Implement API abuse detection using token bucket, sliding window, and adaptive rate limiting algorithms to prevent DDoS, brute force, and credential stuffing attacks.

Langue du texte source : anglais

cyber-implementing-api-gateway-security-controls

Implements security controls at the API gateway layer including authentication enforcement, rate limiting, request validation, IP allowlisting, TLS termination, and threat protection. The engineer configures API gateways (Kong, AWS API Gateway, Azure APIM,…

Langue du texte source : anglais

cyber-implementing-api-key-security-controls

Implements secure API key generation, storage, rotation, and revocation controls to protect API authentication credentials from leakage, brute force, and abuse. The engineer designs API key formats with sufficient entropy, implements secure hashing for…

Langue du texte source : anglais

cyber-implementing-api-rate-limiting-and-throttling

Implements API rate limiting and throttling controls using token bucket, sliding window, and fixed window algorithms to protect against brute force attacks, credential stuffing, resource exhaustion, and API abuse. The engineer configures per-user, per-IP, and…

Langue du texte source : anglais

cyber-implementing-api-schema-validation-security

Implement API schema validation using OpenAPI specifications and JSON Schema to enforce input/output contracts and prevent injection, data exposure, and mass assignment attacks.

Langue du texte source : anglais

cyber-implementing-api-security-posture-management

Implement API Security Posture Management to continuously discover, classify, and score APIs based on risk while enforcing security policies across the API lifecycle.

Langue du texte source : anglais

cyber-implementing-api-security-testing-with-42crunch

Implement comprehensive API security testing using the 42Crunch platform to perform static audit and dynamic conformance scanning of OpenAPI specifications.

Langue du texte source : anglais

cyber-implementing-api-threat-protection-with-apigee

Implement API threat protection using Google Apigee policies including JSON/XML threat protection, OAuth 2.0, SpikeArrest, and Advanced API Security for OWASP Top 10 defense.

Langue du texte source : anglais

cyber-implementing-application-whitelisting-with-applocker

Implements application whitelisting using Windows AppLocker to restrict unauthorized software execution on endpoints, reducing attack surface from malware, unauthorized tools, and shadow IT. Use when enforcing application control policies, meeting compliance…

Langue du texte source : anglais

cyber-implementing-aqua-security-for-container-scanning

Deploy Aqua Security's Trivy scanner to detect vulnerabilities, misconfigurations, secrets, and license issues in container images across CI/CD pipelines and registries.

Langue du texte source : anglais

cyber-implementing-attack-path-analysis-with-xm-cyber

Deploy XM Cyber's continuous exposure management platform to map attack paths, identify choke points, and prioritize the 2% of exposures that threaten critical assets.

Langue du texte source : anglais

cyber-implementing-attack-surface-management

Implements external attack surface management (EASM) using Shodan, Censys, and ProjectDiscovery tools (subfinder, httpx, nuclei) for asset discovery, subdomain enumeration, service fingerprinting, and exposure scoring. Includes a weighted risk scoring…

Langue du texte source : anglais

cyber-implementing-aws-config-rules-for-compliance

Implementing AWS Config rules for continuous compliance monitoring of AWS resources, deploying managed and custom rules aligned to CIS and PCI DSS frameworks, configuring automatic remediation with SSM Automation, and aggregating compliance data across…

Langue du texte source : anglais

cyber-implementing-aws-iam-permission-boundaries

Configure IAM permission boundaries in AWS to delegate role creation to developers while enforcing maximum privilege limits set by the security team.

Langue du texte source : anglais

cyber-implementing-aws-macie-for-data-classification

Implement Amazon Macie to automatically discover, classify, and protect sensitive data in S3 buckets using machine learning and pattern matching for PII, financial data, and credentials detection.

Langue du texte source : anglais

cyber-integrating-dast-with-owasp-zap-in-pipeline

This skill covers integrating OWASP ZAP (Zed Attack Proxy) for Dynamic Application Security Testing in CI/CD pipelines. It addresses configuring baseline, full, and API scans against running applications, interpreting ZAP findings, tuning scan policies, and…

Langue du texte source : anglais

cyber-integrating-sast-into-github-actions-pipeline

This skill covers integrating Static Application Security Testing (SAST) tools—CodeQL and Semgrep—into GitHub Actions CI/CD pipelines. It addresses configuring automated code scanning on pull requests and pushes, tuning rules to reduce false positives,…

Langue du texte source : anglais

cyber-intercepting-mobile-traffic-with-burpsuite

Intercepts and analyzes HTTP/HTTPS traffic from mobile applications using Burp Suite proxy to identify insecure API communications, authentication flaws, data leakage, and server-side vulnerabilities. Use when performing mobile application penetration…

Langue du texte source : anglais

cyber-investigating-insider-threat-indicators

Investigates insider threat indicators including data exfiltration attempts, unauthorized access patterns, policy violations, and pre-departure behaviors using SIEM analytics, DLP alerts, and HR data correlation. Use when SOC teams receive insider threat…

Langue du texte source : anglais