March 2026 (30)
Unpatched GNU Inetutils Telnet Remote Code Execution Vulnerability
2 rules 2 TTPsA remote code execution vulnerability exists in the GNU Inetutils Telnet server, potentially allowing unauthenticated attackers to execute arbitrary code on vulnerable systems.
CrowdStrike Falcon AIDR Supports NVIDIA NeMo Guardrails for AI Agent Protection
2 rules 6 TTPsCrowdStrike Falcon AIDR now supports NVIDIA NeMo Guardrails (v0.20.0) to protect AI agents from prompt injection, data exposure, and unauthorized actions, enabling safer deployment of AI applications.
StoatWaffle Malware Used by WaterPlum Actor
2 rules 1 TTPStoatWaffle is malware employed by the WaterPlum threat actor, used for an unknown purpose.
Interlock Ransomware Campaign Targeting Enterprise Firewalls
2 rules 3 TTPsThe Interlock ransomware campaign is targeting enterprise firewalls to encrypt sensitive data and demand ransom payment.
ScreenConnect 26.1 Cryptographic Material Protection Vulnerability
2 rules 1 TTPScreenConnect version 26.1 has a vulnerability related to the insufficient protection of server-level cryptographic material, potentially allowing unauthorized access and data compromise.
Warlock Group Deploys Web Shells, Tunnels, and Ransomware
2 rules 4 TTPsThe Warlock group utilizes web shells and tunneling to deploy ransomware within compromised environments, impacting victim data confidentiality and availability.
RegPwnBOF Registry Symlink Race Condition Exploit
2 rules 2 TTPsRegPwnBOF exploits a registry symlink race condition in the Windows Accessibility ATConfig mechanism, enabling a normal user to write arbitrary values to protected HKLM registry keys for persistence and privilege escalation.
QEMU Hypervisor Escape via virtio-snd 0-Day
2 rules 2 TTPsAn unpatched vulnerability in QEMU's virtio-snd component allows for a hypervisor escape due to an uncontrolled heap overflow.
Ubuntu 24.04 Snapd Local Privilege Escalation (CVE-2026-3888)
2 rules 1 TTPCVE-2026-3888 allows a local attacker to escalate privileges to root on Ubuntu 24.04 systems due to a vulnerability in the snapd service.
EmEditor Supply Chain Compromise Delivering Infostealer
2 rules 1 TTPA trojanized EmEditor installer was distributed through a trusted source, delivering an infostealer, highlighting how attackers exploit legitimate software distribution channels to bypass user trust and security controls.
Entra ID Federated Identity Credential Issuer Modified
2 rules 2 TTPsModification of the issuer URL of a federated identity credential in Entra ID can allow an attacker to authenticate as the application's service principal, granting persistent access to Azure resources by pointing to an attacker-controlled identity provider and bypassing normal authentication.
DarkSword iOS Exploit Kit Targeting iOS Devices
2 rules 3 TTPsThe DarkSword exploit kit targets iOS devices, leveraging unknown vulnerabilities to compromise devices.
NetNTLM Hash Phishing via Archive Extraction (CVE-2025-59284)
2 rules 1 TTPA phishing technique, potentially still viable due to incomplete patching, allows attackers to obtain NetNTLM hashes from archive extraction on Windows systems (CVE-2025-59284).
SOC Analyst Toolkit with Threat Hunting Queries
2 rules 1 TTP 2 IOCsA free, offline SOC toolkit aimed at Tier 1 analysts includes IR checklists, triage playbooks, and threat hunting guides mapped to MITRE ATT&CK, with Splunk and Elastic queries for threats such as Kerberoasting, Pass-the-Hash, LOLBAS, scheduled task persistence, and C2 on non-standard ports.
Credential Guard Bypass and Detection Strategies
2 rules 2 TTPs 1 IOCThis brief covers offensive techniques to bypass Credential Guard, a Windows security feature designed to protect credentials, and provides detection strategies for these bypass attempts.
Self-Hosted Email Threat Detection Tool
2 rulesA user created a self-hosted email threat detection tool, named VerdictMail, employing IMAP IDLE for real-time monitoring and multi-stage enrichment via SPF, DKIM, DMARC, DNSBL, WHOIS, URLhaus, and VirusTotal, coupled with an LLM for threat assessment.
Angular Cross-Site Scripting (XSS) Vulnerability
2 rules 5 TTPsA cross-site scripting (XSS) vulnerability exists in Angular versions prior to 22.0.0-next.3, 21.2.4, 20.3.18, and 19.2.20, allowing attackers to execute arbitrary code within the context of the vulnerable application, potentially leading to session hijacking, data exfiltration, and unauthorized actions.
Iranian Botnet Operation Exposed via Open Directory
1 rule 1 TTP 1 IOCAn Iranian botnet operation utilizing a 15-node relay network and active C2 infrastructure was exposed through an open directory.
Azure Service Principal Sign-In Followed by Arc Cluster Credential Access
2 rules 2 TTPsDetects a service principal authenticating to Microsoft Entra ID and then listing credentials for an Azure Arc-connected Kubernetes cluster within a short time window, indicating potential unauthorized access to Kubernetes clusters via stolen service principal secrets.
GlassWorm Threat: DLL Injection and Chrome Hijacking
2 rules 2 TTPsThe GlassWorm threat involves DLL injection and Chrome hijacking via COM abuse, confirming a full supply chain loop, potentially leading to data theft and system compromise.
CrackArmor: AppArmor Flaws Enable Local Privilege Escalation
2 rules 1 TTPQualys discovered critical vulnerabilities in AppArmor, enabling local privilege escalation to root on vulnerable Linux systems.
Persistnux - Linux Persistence Detection Tool
3 rules 3 TTPsPersistnux is a bash-based tool designed to identify known Linux persistence mechanisms used by attackers to maintain access to compromised systems, generating detailed reports for DFIR analysis.
HushSpec: Security Policy Specification for AI Agent Action Boundaries
2 rules 1 TTP 1 IOCHushSpec is an open specification under development to standardize security policies at the action boundary of AI agents, focusing on actions such as file access, network egress, and shell execution, aiming to create a portable and engine-agnostic policy layer.
Stealthy WMI Lateral Movement via StealthyWMIExec.py
2 rules 1 TTPThe StealthyWMIExec.py script facilitates lateral movement via WMI, potentially evading standard detection mechanisms by employing stealthy techniques.
GlassWorm Campaign Deploying Wave 3 Windows Payload
2 rules 2 TTPsThe GlassWorm campaign has been observed deploying a Wave 3 Windows payload, indicating ongoing malicious activity targeting Windows systems.
JPCERT/CC Study on Reverse Engineering Rust Binaries
2 rulesJPCERT/CC published a study on the reverse engineering of binaries created with the Rust programming language, providing insights for malware analysis and detection engineering.
Mirai C2 Remote Denial-of-Service Vulnerability (CVE-2024-45163)
2 rules 1 TTPCVE-2024-45163 is a remote denial-of-service vulnerability affecting Mirai command and control (C2) infrastructure, potentially disrupting botnet operations and related malicious activities.
Unscoped API Keys in AI Agent Frameworks
2 rules 1 TTP 2 IOCsA research report auditing popular AI agent projects found that 93% rely on unscoped API keys as the only authentication mechanism, leading to potential credential exposure, privilege escalation, and lateral movement within multi-agent systems.
PylangGhost RAT Observed on npm Registry
2 rules 1 TTPA new remote access trojan (RAT) named PylangGhost has been observed on the npm registry, posing a supply chain risk to developers and applications using affected packages.
Maltrail IOC Feed Update for Multiple Threats
3 rules 6 TTPs 40 IOCsThis brief summarizes IOCs extracted from the Maltrail feed on March 15, 2026, covering domains and URLs associated with threats targeting macOS and Android platforms, including OSX_Atomic, FakeApp, Android_Joker, Lummack2, APT_Sidewinder, APT_Kimsuky, and Hak5Cloud_C2.