Threat Research

“Revamped PowerHuntShares 2.0: Enhanced SMB Share Hunting with Charts, Graphs, Passwords & LLM Insights”

Netspi

PowerHuntShares v2 expands its analysis of SMB shares with excessive privileges by adding automated secrets extraction, share similarity scoring, and richer reporting to help teams find and fix risky exposures. The release also introduces the ShareGraph Explorer and LLM-assisted application context identification to speed prioritization and remediation. #PowerHuntShares #NetSPI

Keypoints

  • PowerHuntShares is an open-source tool focused on discovering and assessing SMB shares with excessive privileges.
  • Version 2 adds new capabilities for automated secrets extraction and improved share/application fingerprinting.
  • Introduces similarity and risk scoring to help prioritize remediation efforts based on shared content and risk level.
  • ShareGraph Explorer provides an interactive visualization of share relationships to reveal exposure paths.
  • Reports are now interactive HTML with CSV export options for easier triage and tracking.
  • New scoring methods help teams focus on the highest-impact remediation tasks first.
  • Integration of Large Language Models (LLMs) enhances identification of application context for discovered shares.

MITRE Techniques

  • [T1003] Credential Dumping – Tool extracts credentials from accessible files and configurations to identify exposed secrets. (‘Extracts credentials from configuration files and other sources.’)
  • [T1210] Exploitation of Remote Services – Misconfigured SMB shares with excessive privileges are targeted to gain unauthorized access. (‘Targets SMB shares with excessive privileges for unauthorized access.’)
  • [T1486] Data Encrypted for Impact – Exposed or misconfigured shares increase the risk of sensitive data exposure or encryption for impact. (‘Potentially exposes sensitive data through misconfigured shares.’)

Indicators of Compromise

  • [url] PowerHuntShares module and related guidance – https://raw.githubusercontent.com/NetSPI/PowerHuntShares/main/PowerHuntShares.psm1, https://www.netspi.com/blog/technical-blog/network-pentesting/15-ways-to-bypass-the-powershell-execution-policy/

PowerHuntShares v2 sharpens the focus on SMB share misconfigurations by automating the discovery of exposed secrets and providing clearer signals for prioritization. The release layers new fingerprinting and similarity scoring on top of existing checks so teams can spot clusters of risky shares and decide where to act first.

Visualization and reporting received major upgrades: the ShareGraph Explorer helps map relationships between shares, and interactive HTML reports plus CSV exports make handoff to remediation teams simpler. Finally, LLM integration aims to improve context around which applications interact with shares, speeding up accurate risk classification and response.

Read more: https://www.netspi.com/blog/technical-blog/network-pentesting/powerhuntshares-2-0-release/