Bulletin · UTC

Merged timeline: 501 items (blog publish time and listing createdAt in UTC). Page 2 of 11. For registry-only weekly slices, use /new.

  1. Tests authentication and authorization mechanisms in mobile application APIs to identify broken authentication, insecure token management, session fixation, privilege escalation, and IDOR vulnerabilities. Use when perfo…

    by Yash @ Explainxtesting-mobile-api-authentication0 comments
  2. Performs digital forensics investigation on compromised endpoints including memory acquisition, disk imaging, artifact analysis, and timeline reconstruction. Use when investigating security incidents, collecting evidenc…

    by Yash @ Explainxperforming-endpoint-forensics-investigation0 comments
  3. Tests APIs for injection vulnerabilities including SQL injection, NoSQL injection, OS command injection, LDAP injection, and Server-Side Request Forgery (SSRF) through API parameters, headers, and request bodies. The te…

    by Yash @ Explainxexploiting-api-injection-vulnerabilities0 comments
  4. Hunt for web shell deployments on internet-facing servers by analyzing file creation in web directories, suspicious process spawning from web servers, and anomalous HTTP patterns.

    by Yash @ Explainxhunting-for-webshell-activity0 comments
  5. Configure SSL/TLS inspection on network security devices to decrypt, inspect, and re-encrypt HTTPS traffic for threat detection while managing certificates, exemptions, and privacy compliance.

    by Yash @ Explainxperforming-ssl-tls-inspection-configuration0 comments
  6. 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 comma…

    by Yash @ Explainxhunting-for-anomalous-powershell-execution0 comments
  7. 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 r…

    by Yash @ Explainxanalyzing-malware-behavior-with-cuckoo-sandbox0 comments
  8. Detects fileless malware and in-memory attacks that execute entirely in RAM without writing persistent files to disk, evading traditional antivirus. Use when building detections for PowerShell-based attacks, reflective…

    by Yash @ Explainxdetecting-fileless-attacks-on-endpoints0 comments
  9. Perform authorized initial access using EvilGinx3 adversary-in-the-middle phishing framework to capture session tokens and bypass multi-factor authentication during red team engagements.

    by Yash @ Explainxperforming-initial-access-with-evilginx30 comments
  10. Simulates bandwidth throttling and network degradation attacks using tc, iperf3, and Scapy in authorized environments to test quality-of-service controls, application resilience, and network monitoring detection of traf…

    by Yash @ Explainxperforming-bandwidth-throttling-attack-simulation0 comments
  11. Tests and exploits deep link (URL scheme and App Link) vulnerabilities in Android and iOS mobile applications to identify unauthorized access, data injection, intent hijacking, and redirect manipulation. Use when assess…

    by Yash @ Explainxexploiting-deeplink-vulnerabilities0 comments
  12. Facilitate structured post-incident reviews to identify root causes, document what worked and failed, and produce actionable recommendations to improve future incident response.

    by Yash @ Explainxconducting-post-incident-lessons-learned0 comments
  13. Detect abuse of service accounts through anomalous interactive logons, privilege escalation, lateral movement, and unauthorized access patterns.

    by Yash @ Explainxdetecting-service-account-abuse0 comments
  14. Tests APIs for mass assignment (auto-binding) vulnerabilities where clients can modify object properties they should not have access to by including additional parameters in API requests. The tester identifies writable…

    by Yash @ Explainxtesting-api-for-mass-assignment-vulnerability0 comments
  15. Uses AWS Athena to query CloudTrail, VPC Flow Logs, S3 access logs, and ALB logs for forensic investigation. Covers CREATE TABLE DDL with partition projection, forensic SQL queries for detecting unauthorized access, dat…

    by Yash @ Explainxperforming-cloud-log-forensics-with-athena0 comments
  16. Build structured communication templates for malware incidents including stakeholder notifications, executive briefings, technical advisories, and regulatory disclosures with severity-based escalation procedures.

    by Yash @ Explainxbuilding-malware-incident-communication-template0 comments
  17. Exploit Kerberos Constrained Delegation misconfigurations in Active Directory to impersonate privileged users via S4U2self and S4U2proxy extensions for lateral movement and privilege escalation.

    by Yash @ Explainxexploiting-constrained-delegation-abuse0 comments
  18. 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 en…

    by Yash @ Explainxconfiguring-windows-defender-advanced-settings0 comments
  19. 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-…

    by Yash @ Explainxhunting-for-defense-evasion-via-timestomping0 comments
  20. Parse NetFlow v9 and IPFIX records to detect volumetric anomalies, port scanning, data exfiltration, and C2 beaconing patterns. Uses the Python netflow library to decode flow records, builds traffic baselines, and appli…

    by Yash @ Explainxanalyzing-network-flow-data-with-netflow0 comments
  21. Build network traffic baselines from NetFlow/IPFIX data using Python pandas for statistical analysis, z-score anomaly detection, and hourly/daily traffic pattern profiling

    by Yash @ Explainximplementing-network-traffic-baselining0 comments
  22. Implement Cloud Security Posture Management using AWS Security Hub, Azure Defender for Cloud, and open-source tools like Prowler and ScoutSuite for multi-cloud vulnerability detection.

    by Yash @ Explainximplementing-cloud-vulnerability-posture-management0 comments
  23. Analyzes bootkit and advanced rootkit malware that infects the Master Boot Record (MBR), Volume Boot Record (VBR), or UEFI firmware to gain persistence below the operating system. Covers boot sector analysis, UEFI modul…

    by Yash @ Explainxanalyzing-bootkit-and-rootkit-samples0 comments
  24. Build collaborative forensic incident timelines using Timesketch to ingest, normalize, and analyze multi-source event data for attack chain reconstruction and investigation documentation.

    by Yash @ Explainxbuilding-incident-timeline-with-timesketch0 comments
  25. Detect command injection attacks against Modbus TCP/RTU protocol in ICS environments by monitoring for unauthorized write operations, anomalous function codes, malformed frames, and deviations from established communica…

    by Yash @ Explainxdetecting-modbus-command-injection-attacks0 comments
  26. Investigate USB device connection history from Windows registry, event logs, and setupapi logs to track removable media usage and potential data exfiltration.

    by Yash @ Explainxanalyzing-usb-device-connection-history0 comments
  27. Use BloodHound and SharpHound to enumerate Active Directory relationships and identify attack paths from compromised users to Domain Admin.

    by Yash @ Explainxperforming-active-directory-bloodhound-analysis0 comments
  28. 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 tr…

    by Yash @ Explainxdeploying-decoy-files-for-ransomware-detection0 comments
  29. Parse Windows Prefetch files to determine program execution history including run counts, timestamps, and referenced files for forensic investigation.

    by Yash @ Explainxanalyzing-prefetch-files-for-execution-history0 comments
  30. Performs tabletop exercises for SOC teams simulating security incidents through discussion-based scenarios to test incident response procedures, communication workflows, and decision-making under pressure without impact…

    by Yash @ Explainxperforming-soc-tabletop-exercise0 comments
  31. Hunt for supply chain compromise indicators including trojanized software updates, compromised dependencies, unauthorized code modifications, and tampered build artifacts.

    by Yash @ Explainxhunting-for-supply-chain-compromise0 comments
  32. Monitor and analyze ransomware group data leak sites (DLS) to track victim postings, extract threat intelligence on group tactics, and assess sector-specific ransomware risk for proactive defense.

    by Yash @ Explainxanalyzing-ransomware-leak-site-intelligence0 comments
  33. Detect Golden Ticket attacks in Active Directory by analyzing Kerberos TGT anomalies including mismatched encryption types, impossible ticket lifetimes, non-existent accounts, and forged PAC signatures in domain control…

    by Yash @ Explainxdetecting-golden-ticket-attacks-in-kerberos-logs0 comments
  34. Integrates Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and Software Composition Analysis (SCA) into CI/CD pipelines using open-source tools. Covers Semgrep for SAST, Trivy fo…

    by Yash @ Explainximplementing-devsecops-security-scanning0 comments
  35. Write multi-event correlation rules that detect APT lateral movement by chaining Windows authentication events, process execution telemetry, and network connection logs across hosts. Uses Splunk SPL and Sigma rule forma…

    by Yash @ Explainximplementing-siem-correlation-rules-for-apt0 comments
  36. Hunt for adversary persistence via Windows Scheduled Tasks by analyzing task creation events, suspicious task actions, and unusual scheduling patterns.

    by Yash @ Explainxhunting-for-scheduled-task-persistence0 comments
  37. Investigate Active Directory compromise by analyzing authentication logs, replication metadata, Group Policy changes, and Kerberos ticket anomalies to identify attacker persistence and lateral movement paths.

    by Yash @ Explainxperforming-active-directory-compromise-investigation0 comments
  38. Detects DNS tunneling by computing Shannon entropy of DNS query names, analyzing query length distributions, inspecting TXT record payloads, and identifying high subdomain cardinality. Uses scapy for packet capture anal…

    by Yash @ Explainxperforming-dns-tunneling-detection0 comments
  39. The Diamond Model of Intrusion Analysis provides a structured framework for analyzing cyber intrusions by examining four core features - Adversary, Capability, Infrastructure, and Victim. This skill covers implementing…

    by Yash @ Explainximplementing-diamond-model-analysis0 comments
  40. Perform forensic acquisition and analysis of cloud storage services including Google Drive, OneDrive, Dropbox, and Box by collecting both API-based remote data and local sync client artifacts from endpoint devices.

    by Yash @ Explainxperforming-cloud-storage-forensic-acquisition0 comments
  41. Examine Linux system artifacts including auth logs, cron jobs, shell history, and system configuration to uncover evidence of compromise or unauthorized activity.

    by Yash @ Explainxanalyzing-linux-system-artifacts0 comments
  42. Acquire and analyze mobile device data using Cellebrite UFED and open-source tools to extract communications, location data, and application artifacts.

    by Yash @ Explainxperforming-mobile-device-forensics-with-cellebrite0 comments
  43. Discovering and exploiting XML External Entity injection vulnerabilities to read server files, perform SSRF, and exfiltrate data during authorized penetration tests.

    by Yash @ Explainxtesting-for-xxe-injection-vulnerabilities0 comments
  44. Detect dangerous ACL misconfigurations in Active Directory using ldap3 to identify GenericAll, WriteDACL, and WriteOwner abuse paths

    by Yash @ Explainxanalyzing-active-directory-acl-abuse0 comments
  45. Detect and analyze Linux persistence mechanisms including crontab entries, systemd service units, LD_PRELOAD hijacking, bashrc modifications, and authorized_keys backdoors using auditd and file integrity monitoring

    by Yash @ Explainxanalyzing-persistence-mechanisms-in-linux0 comments
  46. 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,…

    by Yash @ Explainxanalyzing-sbom-for-supply-chain-vulnerabilities0 comments
  47. This skill covers deploying Microsoft Sentinel as a cloud-native SIEM and SOAR platform for centralized security operations. It details configuring data connectors for multi-cloud log ingestion, writing KQL detection qu…

    by Yash @ Explainxbuilding-cloud-siem-with-sentinel0 comments
  48. Monitors Modbus TCP traffic on SCADA and ICS networks to detect anomalous function code usage, unauthorized register writes, and suspicious communication patterns. The analyst uses deep packet inspection with pymodbus,…

    by Yash @ Explainxmonitoring-scada-modbus-traffic-anomalies0 comments
  49. Detect PowerShell Empire framework artifacts in Windows event logs by identifying Base64 encoded launcher patterns, default user agents, staging URL structures, stager IOCs, and known Empire module signatures in Script…

    by Yash @ Explainxanalyzing-powershell-empire-artifacts0 comments
  50. Enrich malware file hashes using the VirusTotal API to retrieve detection rates, behavioral analysis, YARA matches, and contextual threat intelligence for incident triage and IOC validation.

    by Yash @ Explainxperforming-malware-hash-enrichment-with-virustotal0 comments