January 2024 (30)
ApostropheCMS Stored XSS Vulnerability in SEO Fields Leads to Data Exposure
2 rules 5 TTPs 1 CVE 2 IOCsA stored cross-site scripting (XSS) vulnerability exists in SEO-related fields (SEO Title and Meta Description) in ApostropheCMS v4.28.0, allowing injection of arbitrary JavaScript into HTML contexts, performing authenticated API requests, and exfiltrating sensitive data, leading to a compromise of application confidentiality.
Conhost Spawned By Suspicious Parent Process
2 rules 3 TTPsThe Windows Console Host process (conhost.exe) spawned by a suspicious parent process, such as lsass.exe or explorer.exe, can indicate code injection used to bypass application allowlisting and execute malicious commands.
Entra ID Protection Detects User Risk
3 rules 4 TTPsEntra ID Protection detects user risk activity such as anonymized IP addresses, unlikely travel, password spray, and other suspicious behaviors indicating potential initial access attempts and compromised accounts within cloud environments.
ESXi System Information Discovery via ESXCLI
2 rules 1 TTPAdversaries may use ESXCLI system-level commands to retrieve configuration details on VMware ESXi hosts for reconnaissance purposes, potentially leading to further compromise.
Microsoft Build Engine Started by an Office Application
2 rules 1 TTPThe Microsoft Build Engine (MSBuild) being started by an Office application is unusual behavior and could indicate a malicious document executing a script payload for defense evasion.
Netsh Used to Enable Remote Desktop Protocol (RDP) in Windows Firewall
2 rules 2 TTPsAdversaries use the `netsh.exe` utility to enable inbound Remote Desktop Protocol (RDP) connections through the Windows Firewall, potentially for unauthorized remote access and lateral movement.
Azure Storage Account Deletion Detection
2 rules 2 TTPsThis brief detects the deletion of Azure Storage Accounts which can indicate malicious activity like data destruction, denial of service, or covering tracks after data exfiltration by adversaries.
macOS Mojave Beta Webcam and Microphone Access Bypass
2 rules 1 TTPmacOS Mojave beta's new privacy controls can be bypassed by exploiting the entitlements of trusted applications like QuickTime Player via AppleScript to access the webcam and microphone without user consent.
ApostropheCMS Stored XSS Vulnerability in SEO Fields (CVE-2026-35569)
2 rules 2 TTPs 1 CVEA stored XSS vulnerability in ApostropheCMS versions 4.28.0 and prior allows attackers to inject arbitrary JavaScript into SEO-related fields, leading to potential data exfiltration and unauthorized actions.
BloodHound Suite User-Agent Detected in Entra ID Sign-ins
3 rules 6 TTPsDetection of BloodHound tools like AzureHound and SharpHound being used to enumerate Microsoft Entra ID and Microsoft 365 environments, potentially indicating reconnaissance activity by red teams or malicious actors.
Detection of Command and Control Activity via Commonly Abused Web Services
2 rules 1 TTPThis rule detects command and control communications using common web services to blend in with legitimate traffic by identifying network connections from Windows hosts to domains and services abused for C2, while excluding known legitimate program locations.
Entra ID OAuth PRT Issuance to Non-Managed Device Detected
2 rules 4 TTPsDetection of Entra ID OAuth Primary Refresh Token (PRT) issuance to a non-managed device following a refresh token sign-in via Microsoft Authentication Broker (MAB), potentially indicating device registration abuse (ROADtx) for persistent access.
Entra ID Service Principal Federated Credential Authentication by Unusual Client
2 rules 3 TTPsDetection of initial Entra ID service principal authentication using a federated identity credential, potentially indicating a rogue identity provider abusing compromised applications.
gitoxide Arbitrary Command Execution via .gitmodules Bypass
2 rules 1 TTP 1 CVEA vulnerability in gitoxide's `gix_submodule::File::update()` allows arbitrary command execution via a crafted `.gitmodules` file by incorrectly validating the source of the `update` command, enabling an attacker to inject malicious commands after a submodule has been initialized.
GoBGP Remote Denial of Service via Malformed BGP Update Message
2 rules 1 TTP 1 CVEGoBGP version 4.4.0 is vulnerable to a remote denial-of-service attack where a malformed BGP UPDATE message triggers a nil pointer dereference, crashing the GoBGP process.
Microsoft Graph API Email Access by Unusual Client and User
2 rules 1 TTPDetects anomalous access to email resources via Microsoft Graph API, potentially indicating a compromised OAuth refresh token or Primary Refresh Token (PRT) being used by an attacker.
Twisted DNS Server Denial of Service via Crafted Compression Pointers
2 rules 1 TTPA denial-of-service vulnerability exists in the twisted.names module, where an unauthenticated attacker can send a crafted TCP DNS packet with deeply chained compression pointers, causing the Twisted reactor to hang while processing recursive lookups and effectively freezing the server.
Rapid Enumeration of AWS S3 Buckets via API Calls
2 rules 4 TTPsAn AWS principal from a single source IP rapidly invokes read-only S3 control-plane APIs, revealing bucket posture across many buckets in a short time, potentially indicating automated reconnaissance or post-compromise enumeration.
M365 Copilot Impersonation Jailbreak Attack
3 rulesThis detection identifies attempts to jailbreak M365 Copilot by impersonating roles, adopting unrestricted personas, or mimicking malicious AI systems to bypass safety controls, searching exported eDiscovery prompt logs for roleplay keywords and categorizing prompts into impersonation types to detect persona injection attacks.
AMOS Stealer macOS VM Detection
2 rules 2 TTPsThis brief describes detection of AMOS Stealer checking for virtual machine environments on macOS via osascript and system_profiler, potentially leading to information theft and further malicious activity.
Potential Antimalware Scan Interface Bypass via PowerShell
3 rules 1 TTPThis rule detects PowerShell scripts that attempt to bypass the Antimalware Scan Interface (AMSI) in order to disable scanning and execute malicious PowerShell code undetected.
CustomLoadImage .NET Assembly Loading Technique
2 rules 1 TTP 1 IOCCustomLoadImage enables stealthy reflective loading of .NET assemblies by directly calling AssemblyNative::LoadFromBuffer, bypassing hooks on RuntimeAssembly.nLoadImage for defense evasion.
spdystream SPDY/3 Frame Parser Denial of Service
2 rules 1 TTPThe SPDY/3 frame parser in spdystream before v0.5.1 improperly validates attacker-controlled counts and lengths, allowing a remote attacker to trigger excessive memory allocation and cause a denial-of-service condition.
Unauthenticated Remote File Read Vulnerability in Sonarr (CVE-2026-30976)
2 rules 1 TTPCVE-2026-30976 allows an unauthenticated remote attacker to read arbitrary files readable by the Sonarr process on Windows systems running vulnerable versions prior to 4.0.17.2950, potentially exposing sensitive data.
Unusual Azure Storage Account Key Access by Privileged User
2 rules 2 TTPsDetects unusual access to Azure Storage Account keys by users with Owner, Contributor, Storage Account Contributor, or User Access Administrator roles, potentially indicating compromised identities as seen in STORM-0501 ransomware campaigns.
Successful AWS Console Login Without MFA
2 rules 1 TTPSuccessful AWS console logins without multi-factor authentication can indicate compromised credentials, misconfigured security settings, or unauthorized access attempts.
Tandoor Recipes Unauthenticated Password Guessing Vulnerability (CVE-2026-33152)
2 rules 1 TTPTandoor Recipes before 2.6.0 allows unauthenticated attackers to perform high-speed password guessing attacks against any known username due to improper rate limiting on API endpoints using BasicAuthentication.
Unauthorized Removal of Azure Conditional Access Policy
2 rules 3 TTPsAn unauthorized actor removes a Conditional Access policy in Azure, potentially weakening the organization's security posture and enabling privilege escalation or credential access.
Windows Persistence via Scheduled Job Creation
2 rules 1 TTPAdversaries can abuse the Windows Task Scheduler to establish persistence by creating malicious scheduled jobs, which are detected by monitoring for the creation of '.job' files in the 'Windows\Tasks' directory while excluding known legitimate software.
Windows User Account Creation via net.exe
3 rules 2 TTPsAttackers may create new accounts on Windows systems using `net.exe` to maintain access and establish persistence, which this detection identifies.