January 2024 (30)
CI4MS Improper Sanitization of User Input Leading to XSS
2 rules 1 TTP 1 CVECI4MS versions prior to 0.31.2.0 are vulnerable to stored cross-site scripting due to improper sanitization of user-controlled input within the System Settings – Company Information, allowing attackers to inject arbitrary JavaScript into public-facing pages.
Kyverno Controller Denial of Service via forEach Mutation Panic
2 rules 2 TTPsAn unchecked type assertion in Kyverno versions v1.13.0 to v1.17.1 allows a user with permission to create a Policy or ClusterPolicy to crash the cluster-wide background controller into a persistent CrashLoopBackOff, leading to a denial of service, by crafting a malicious policy that triggers a nil pointer dereference in the forEach mutation handler.
Mozilla Firefox and Thunderbird GMP Component Denial-of-Service Vulnerability (CVE-2026-4709)
2 rules 1 TTPA vulnerability exists in the Audio/Video: GMP component of Mozilla Firefox and Thunderbird due to incorrect boundary conditions, potentially leading to a denial-of-service condition.
OpenClaw Unbounded Memory Allocation Vulnerability
2 rules 1 TTPThe openclaw npm package prior to version 2026.3.22 is vulnerable to unbounded memory allocation due to missing size limits when reading remote media HTTP error bodies, potentially leading to denial-of-service.
Application Compatibility Shim Database Installation for Persistence
2 rules 1 TTPAttackers abuse Application Compatibility Shims to establish persistence by installing custom shim databases, allowing for stealthy code execution within legitimate Windows processes.
GitLab MCP Server Unauthenticated Access via SSE Transport
2 rules 2 TTPsThe @yoda.digital/gitlab-mcp-server's SSE transport lacks authentication and uses wildcard CORS, enabling unauthenticated attackers to execute arbitrary GitLab API calls using the operator's GitLab PAT, including destructive operations.
Active Directory msPKIAccountCredentials Modification
2 rules 2 TTPsAttackers can modify the msPKIAccountCredentials attribute in Active Directory user objects to abuse credential roaming, potentially overwriting files for privilege escalation, by injecting malicious credential objects.
Kaspersky Anti-Virus Reverse Engineering for Document Detection
2 rules 1 TTPA blog post details the reverse engineering of the Kaspersky anti-virus engine on macOS to demonstrate the potential for crafting signatures capable of detecting and flagging classified documents, leveraging the product's scanning capabilities and dynamic signature updates, without implying any malicious activity by Kaspersky.
Froxlor API Local File Inclusion leads to Remote Code Execution
2 rules 3 TTPsFroxlor is vulnerable to local file inclusion via path traversal in the `def_language` parameter of the API, leading to remote code execution as the web server user.
Mozilla Firefox and Thunderbird Information Disclosure Vulnerability (CVE-2026-4712)
2 rules 1 TTPCVE-2026-4712 is an information disclosure vulnerability in the Widget: Cocoa component affecting Firefox versions less than 149, Firefox ESR versions less than 140.9, Thunderbird versions less than 149, and Thunderbird versions less than 140.9, potentially allowing a remote attacker to access sensitive information.
Okta Network Zone Deactivation or Deletion
2 rules 1 TTPAn Okta network zone was deactivated or deleted, potentially indicating malicious activity aimed at bypassing security controls.
OSX/CreativeUpdater Cryptominer Distributed via MacUpdate
3 rules 2 TTPs 7 IOCsOSX/CreativeUpdater is a macOS cryptominer distributed through compromised download links on the MacUpdate website, using a trojanized application bundle to execute a script that downloads and installs a persistent Monero miner using launch agents.
System Language Discovery via Reg.Exe
2 rules 1 TTPAdversaries use reg.exe to query system language settings in order to determine the geographic location of victims, customize payloads, or evade detection by avoiding certain locales.
XSL Script Execution via COM Interface in Microsoft Office
2 rules 5 TTPsAdversaries may exploit Microsoft Office applications to execute malicious JScript or VBScript by leveraging the Microsoft.XMLDOM COM interface to process and transform XML documents using XSL scripts, potentially leading to initial access or defense evasion.
AVideo CORS Origin Reflection with Credentials Leads to Account Takeover
2 rules 4 TTPs 3 IOCsThe AVideo platform is vulnerable to CORS origin reflection, allowing attackers to steal user PII, livestream keys, and perform unauthorized actions by exploiting the permissive `allowOrigin` function on sensitive API endpoints.
macOS Mojave Sandbox Distributed Notification Bypass
2 rules 1 TTPA vulnerability in macOS Mojave allows sandboxed applications to bypass sandbox restrictions and surreptitiously monitor user activities by registering for distributed notifications by name, circumventing intended privacy protections.
macOS Local Privilege Escalation via CVE-2017-7170
2 rules 1 TTP 1 CVECVE-2017-7170 is a local privilege escalation vulnerability in macOS stemming from insecure use of the `AuthorizationExecuteWithPrivileges` API, allowing unprivileged users to execute arbitrary code as root by sniffing authorization references.
Simple Social Media Share Buttons CSRF Vulnerability (CVE-2026-34904)
2 rules 1 TTP 1 CVEA cross-site request forgery (CSRF) vulnerability exists in the Simple Social Media Share Buttons WordPress plugin (versions through 6.2.0), potentially allowing attackers to perform unauthorized actions on behalf of authenticated users.
Detection of Malicious Browser Extension Installation
2 rulesThis rule detects the installation of browser extensions, a persistence mechanism where attackers install malicious extensions via app store downloads, social engineering, or compromised systems, focusing on file creation events in extension directories on Windows.
MediaWiki Multiple Vulnerabilities Lead to Remote Code Execution
2 rules 3 TTPsA remote, authenticated attacker can exploit multiple vulnerabilities in MediaWiki to execute arbitrary code, disclose information, perform a cross-site scripting attack, or cause a denial of service condition.
Potential NetNTLMv1 Downgrade Attack via Registry Modification
2 rules 2 TTPsAttackers modify the Windows registry to weaken NTLM authentication, forcing a downgrade to the less secure NTLMv1 protocol, potentially leading to credential compromise.
Malicious Word Document Targeting macOS Delivers Meterpreter
2 rules 4 TTPs 2 IOCsA malicious Word document targeting macOS users employs macros to download and execute a Meterpreter payload, leveraging a sandbox escape vulnerability and launch agent plist for persistence.
River Past Cam Do 3.7.6 Local Buffer Overflow Vulnerability
2 rules 1 TTPRiver Past Cam Do 3.7.6 is vulnerable to a local buffer overflow in the activation code input field that allows local attackers to execute arbitrary code by supplying a malicious activation code string, potentially leading to arbitrary code execution.
S3Browser IAM Policy Creation with Default Bucket Name
2 rules 3 TTPsAn AWS IAM policy is created by the S3Browser utility with the default S3 bucket name placeholder, potentially indicating unauthorized access or misconfiguration.
SharePoint spinstall0.aspx Webshell Activity
2 rules 3 TTPsThis brief describes the detection of GET requests to the spinstall0.aspx webshell, commonly deployed after exploiting CVE-2025-53770 in Microsoft SharePoint, indicating potential command execution, data exfiltration, or credential harvesting.
Vvveb Unrestricted File Upload Leads to Remote Code Execution (CVE-2026-41938)
2 rules 1 TTP 1 CVEAn unrestricted file upload vulnerability in Vvveb versions before 1.0.8.2 allows authenticated users with media upload permissions to achieve remote code execution by uploading a .htaccess file to execute arbitrary PHP code via a .phtml file.
Windows EFI Bootloader File Modification Detection
2 rules 1 TTP 1 CVEA process writing to critical EFI bootloader files (bootmgfw.efi or bootx64.efi) within the \EFI\Boot\ directory may indicate a bootkit installation, malicious code persistence at the firmware level, or tampering with the system boot process.
Windows Scheduled Tasks AT Command Enabled via Registry Modification
2 rules 2 TTPsAttackers may enable the deprecated Windows scheduled tasks AT command via registry modification to achieve local persistence or lateral movement on a compromised system.
WP Statistics Plugin Stored XSS Vulnerability (CVE-2026-5231)
2 rules 1 TTP 1 CVEThe WP Statistics WordPress plugin is vulnerable to stored cross-site scripting (XSS) via the 'utm_source' parameter, allowing unauthenticated attackers to inject arbitrary web scripts into admin pages.
xmldom XML Node Injection via Comment Serialization
2 rules 1 TTPThe xmldom library is vulnerable to XML node injection, allowing attackers to inject arbitrary XML nodes into serialized output by manipulating comment content; this is mitigated by using the `requireWellFormed` option in `serializeToString` after upgrading to version 0.8.13 or 0.9.10.