Data verified May 2026
ADYour product here. Reach security decision-makers.Launch a campaignRuler Description
Ruler is a tool that allows remote interaction with Exchange servers through MAPI/HTTP or RPC/HTTP protocols, aiming to exploit client-side Outlook features to gain remote shell access. It can enumerate valid users, create malicious mail rules, dump the Global Address List, execute VBScript through forms, and interact with the Outlook Home Page. Ruler uses Autodiscover service to discover relevant information and is available for Linux, OSX, and Windows.
Ruler FAQ
Common questions about Ruler including features, pricing, alternatives, and user reviews.
Ruler is A tool for interacting with Exchange servers remotely and exploiting client-side Outlook features. It is a Security Operations solution designed to help security teams with Vulnerability Exploitation, Microsoft 365.
Ruler is a free Security Operations tool. This makes it accessible for organizations of all sizes, from startups to enterprises. Visit https://github.com/sensepost/ruler/ for download and installation instructions.
Popular alternatives to Ruler include:
1.GraphSpy - GraphSpy is a browser-based post-exploitation tool for Azure Active Directory and Office 365 environments that enables token management, reconnaissance, and interaction with Microsoft 365 services. (Free)
2.Fortra Cobalt Strike - Threat emulation tool for adversary simulations and red team operations (Commercial)
3.Attify Offensive IoT Exploitation - Private training course for IoT device pentesting and exploitation (Commercial)
4.Black Hills Information Security DNS Triage - DNS reconnaissance tool checking DNS records, subdomains, and third-party svcs (Commercial)
5.Nightwing DejaVM - Whole-system emulation environment for software dev, debugging, testing & security (Commercial)
Compare these tools and more at https://cybersectools.com/categories/security-operations
Ruler is for security teams and organizations that need Vulnerability Exploitation, Microsoft 365. It's particularly suitable for small to medium-sized teams looking for cost-effective solutions. Other Security Operations tools can be found at https://cybersectools.com/categories/security-operations
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