Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the creation or modification of suspicious Launch Agent or Launch Daemon .plist files, or a hidden application support directory, masquerading as 'com.apple.accountsd' on macOS. This behavior is often indicative of persistence mechanisms used by adversaries.
Detects creation of systemd service unit files for Linux persistence
Detects TLS callback injection using IMAGE_TLS_DIRECTORY structures
Detects LogonUser API used with token impersonation for privilege escalation
Detects AT job creation via SMB for remote scheduled execution
Detects Log4Shell JNDI injection attempts
Detects modification of shell profile files for command execution on login
Detects modification of domain trust relationships via LDAP for privilege escalation
This rule detects the creation or modification of specific script files in common Linux persistence locations: '/etc/profile.d/' or '/usr/local/lib/'. Adversaries may modify or create scripts like '.sh.local' or '.cache-update.sh' in these directories to establish persistence, as these scripts can be executed automatically during system boot or user login.
Detects broad assignments of administrative roles or specific deletion permissions for cloud storage buckets in GCP, AWS, and Azure. This includes granting 'storage.admin', 'storage.objectAdmin', or 'storage.buckets.delete' in GCP, 's3:DeleteBucket' in AWS IAM policies, or 'Storage Account Contributor'/'Owner' roles in Azure. Such assignments to service accounts or non-administrative identities could enable 'Universal Bucket Hijacking' or unauthorized data deletion.
Detects registry modifications to SyncRootManager occurring alongside cldflt.sys activity, which may indicate manipulation of cloud synchronization roots.
Detects registry key creation under the Windows SyncRootManager path (HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\SyncRootManager) initiated by a process that is not a known legitimate cloud sync client. This technique is associated with CVE-2026-41091 (RedSun) for privilege escalation via Cloud Files sync root provider registration.
Identifies the creation of named pipes matching standard Cobalt Strike malleable C2 profiles (\pipe\msagent, \pipe\postex, \pipe\status, \pipe\spoolss) that are associated with network activity, indicating advanced C2 deployment.
This rule detects attempts to register a new Authenticator app or phone number for multi-factor authentication (MFA) from an IP address that is not typically associated with the user's sign-in behavior. This could indicate a compromised account where an attacker is attempting to establish a new MFA method to maintain access.
Detects the creation or loading of the vulnerable EnCase forensic driver 'OemHwUpd.sys'. This driver is being exploited in Bring Your Own Vulnerable Driver (BYOVD) attacks to terminate security products.
Detects the creation or execution of suspicious LNK files masquerading as legitimate AnyDesk or N-able RMM configuration files (e.g., ApplianceConfig.lnk, ServerConfig.lnk) and unauthorized access to AnyDesk service or user configuration files (anydesk_svc.conf, anydesk_usr.conf). This behavior is associated with MexicanMafia's 'Operation Escaneo' for establishing persistent, low-visibility remote access.
Detects LCRYX ransomware performing UAC bypass by utilizing VBScript to spawn a new wscript.exe process with elevated privileges. The rule monitors for WScript or CScript processes spawning another WScript process where the command line contains the '/elevated' flag, indicating the use of the Shell.Application object's ShellExecute method with the 'runas' verb.
Detects attempts to bypass User Account Control (UAC) by spawning processes from fodhelper.exe, eventvwr.exe, or computerdefaults.exe. These executables are known to be vulnerable to UAC bypass techniques, allowing an attacker to elevate privileges without user interaction.
This rule detects activities associated with the DRAYN malware, specifically the unauthorized modification of Discretionary Access Control Lists (DACLs) on MSP management platform directory archives using icacls, followed by the creation of a scheduled task to establish persistence.
Detects attempts to exploit the PwnKit vulnerability (CVE-2021-4034) in Polkit's pkexec. The rule monitors for malicious command-line arguments involving GCONV_PATH environment manipulation, the execution of pkexec by non-root users, and the presence of associated PwnKit payload artifacts, such as base64-encoded strings or specific chunked files.
Detects attempts to modify or delete Microsoft Graph API conditional access policies. This could indicate an adversary attempting to weaken security controls to facilitate unauthorized access or persistence.
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