49 matches found
-SOC342---CVE-2025-53770-SharePoint-ToolShell-Auth-Bypass-and-RCE
SOC342---CVE-2025-53770-SharePoint-ToolShell-Auth-Bypass-and-RCE This is an investigation conducted on the Let's Defend platform, based on a recent SharePoint CVE. Let's take a look. 1. Examine the rule name. Rule names are usually created specifically for the attack to be detected. By examining...
CVE-2025-53770-Scanner
CVE-2025-53770 Scanner by DanSec A simple, effective reconnaissance tool to identify potential exposure to the critical SharePoint vulnerability CVE-2025-53770. !Warning This tool is intended for authorised testing purposes only. The author DanSec takes no responsibility for misuse or damage caus...
CVE-2025-53770-Checker
CVE-2025-53770-Checker Checks if an on-premises SharePoint server is vulnerable to CVE-2025-53770 Non-intrusive detector of the CVE-2025-53770 vulnerability in SharePoint Server Development: Division81 ethical hacking team of Grupo Oruss Technical Description CVE-2025-53770 is a critical .NET...
ToolShell
Exploit for SharePoint ToolShell. Blog: https://blog.viettelcybersecurity.com/sharepoint-toolshell/ How to use: python exploit.py -u -c Eg: python exploit.py -u http://10.0.1.12/sites/test -c calc @l0gg...
Toolshell_CVE-2025-53770
ToolShell → CVE‑2025‑53770 Exploit PoC This package allows: 1. Upload webshell to SharePoint 2. Extract ValidationKey 3. Generate signed ViewState 4. RCE via reverse/bind shell 🔧 Setup git clone cd toolshell-exploit pip3 install -r requirements.txt 🤖 Running Upload the webshell From a SharePoint...
suricata-rule-CVE-2025-53770
suricata-rule-CVE-2025-53770 Detection rules for CVE-2025-53770 alert http $EXTERNALNET any - $HOMENET any msg: "ET EXPLOIT SharePoint RCE ToolShell CVE-2025-53770"; http.method; content: "POST"; flow: established, toserver; http.uri;...
LetsDefend--SOC-342-CVE-2025-53770-SharePoint-Exploit-ToolShell
LetsDefend--SOC-342-CVE-2025-53770-SharePoint-Exploit-ToolShell Introduction I went into a SharePoint zero-day called ToolShell CVE-2025-53770 in the LetsDefend lab. I mimicked a real-world zero-day attack where a malicious POST request bypassed auth, ran PowerShell to steal MachineKeySection key...
ToolShellFinder
🛠️ ToolShellFinder: CVE-2025-53770 & CVE-2025-53771 Detection A high-performance PowerShell 7+ script for scanning IIS logs to detect signs of exploitation related to ToolShell , specifically targeting the zero-day vulnerabilities CVE-2025-53770 and CVE-2025-53771 in Microsoft SharePoint. This...
ToolShell-CVE-2025-53770-SharePoint-Exploit-Lab-LetsDefend
ToolShell-CVE-2025-53770-SharePoint-Exploit-Lab-LetsDefend TL;DR Yo, in this LetsDefend lab I dove into a SharePoint zero-day called ToolShell CVE-2025-53770. Basically, I mimicked a real-world attack where a malicious POST request bypassed auth, ran PowerShell to steal MachineKeySection keys,...
SharePoint-ToolShell-CVE-2025-53770-Incident-Analysis
SharePoint ToolShell CVE-2025-53770 Incident Analysis Overview This project documents the investigation of a real-world exploitation attempt targeting a SharePoint server using the ToolShell vulnerability CVE-2025-53770. The attack demonstrates a full exploitation chain including remote code...
cve-2025-53770-research
cve-2025-53770-research 🚨 Threat intel & incident response research on SharePoint "ToolShell" RCE zero-day CVE-2025-53770. 🕵️♂️ Covers root-cause deserialization flaws, attack timelines, risk metrics, and defensive EDR validation playbooks. 🛡️ 🕵️ CVE-2025-53770 — SharePoint "ToolShell" Zero-Day...
sharepoint-toolshell-cve-2025-53770
SharePoint "ToolShell" RCE Exploit CVE-2025-53770 Overview CVE-2025-53770 is a critical remote code execution RCE vulnerability affecting Microsoft SharePoint Server 2016, 2019, and Subscription Edition on-premises only, not SharePoint Online. Attackers can bypass authentication and achieve full...
ToolShell-Honeypot
ToolShell-Honeypot SharePoint Zero-Day A Docker-based honeypot focused on detecting and logging exploitation attempts against Microsoft SharePoint zero-day vulnerabilities. This honeypot is designed for early detection and threat intelligence, not for simulating a full SharePoint environment or...
LetsDefend-SOC342-CVE-2025-53770-SharePoint-ToolShell-Auth-Bypass-andRCE-EventID-320
🧠 LetsDefend SharePoint Zero-Day Analysis ToolShell - SOC342-CVE-2025-53770 📘 Introduction I investigated a SharePoint zero-day called ToolShell CVE-2025-53770 in the LetsDefend cyber lab. The exercise mimicked a real-world zero-day RCE attack where a malicious POST request bypassed authenticatio...
Microsoft SharePoint Server - Remote Code Execution (ToolShell)
Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. This vulnerability is part of the ToolShell exploit chain and when combined with CVE-2025-53771 authentication bypass, enables unauthenticated remote code...
Microsoft SharePoint Server - Authentication Bypass (ToolShell)
Microsoft Office SharePoint Server contains an improper authentication vulnerability that allows unauthorized attackers to perform spoofing over a network. By crafting a POST request to /layouts/15/ToolPane.aspx with a forged Referer header /layouts/SignOut.aspx, attackers can bypass authenticati...
SharePoint ToolShell CVE-2025-53770 Detection
Detects on-premises Microsoft SharePoint ToolShell exposure: unauthenticated access to ToolPane.aspx via Referer bypass CVE-2025-53771 and unsafe deserialization surface CVE-2025-53770. !/usr/bin/env python3 -- coding: utf-8 -- """Detect SharePoint ToolShell auth bypass CVE-2025-53771 and ToolPan...
SharePoint ToolShell RCE (CVE-2025-53770)
Exploits the SharePoint ToolShell chain: Referer bypass to reach ToolPane.aspx CVE-2025-53771 then unsafe ViewState deserialization for unauthenticated RCE CVE-2025-53770 on on-premises SharePoint. !/usr/bin/env python3 -- coding: utf-8 -- """SharePoint ToolShell unauthenticated RCE CVE-2025-5377...
Warlock Exploits SharePoint Flaws to Disable Security Tools and Deploy Ransomware
The suspected China-linked threat actor known as Warlock is still continuing to weaponize Microsoft SharePoint vulnerabilities, likely both old and new, in attacks targeting organizations in Portuguese- and Spanish-speaking countries. The activity, observed by the Symantec and Carbon Black Threat...
