Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Detects a Go toolchain process (go.exe) spawning potentially suspicious child processes such as secondary 'go run' commands or Node.js execution. This behavior is indicative of a malicious Go module executing embedded or decrypted code during the build process, a tactic seen in supply chain attacks targeting development environments.
Detects instances where a process that is not a recognized web browser accesses or enumerates the file storage path of the MetaMask browser extension. This behavior is indicative of unauthorized reconnaissance or credential theft attempt targeting cryptocurrency wallet data stored locally, often performed by malware following successful system compromise.
Detects the use of legitimate Windows binaries (certutil.exe and bitsadmin.exe) to download files from remote URLs to sensitive or common staging directories (Temp, AppData, ProgramData). Attackers frequently abuse these built-in tools for 'living off the land' (LotL) to retrieve malicious payloads or secondary tools while bypassing traditional signature-based detection.
Detects persistence attempts on Windows by monitoring for modifications to common Registry Run/RunOnce keys or the creation of executable files within the user startup directory. The rule excludes common legitimate processes like msiexec.exe, trustedinstaller.exe, and explorer.exe to minimize false positives.
Detects the use of rundll32.exe to invoke the MiniDump function of comsvcs.dll targeting the lsass.exe process. This technique is a well-known living-off-the-land (LotL) method used by adversaries to create a memory dump of LSASS, which can then be exfiltrated and analyzed offline using tools like Mimikatz to extract credentials.
Detects the execution of msbuild.exe targeting project files (.csproj, .proj, .xml) located in user-writable directories such as Temp or Downloads, or containing command-line indicators of inline C# task execution (e.g., UsingTask, CodeTaskFactory). This behavior is commonly used for proxy execution and bypassing application allow-listing via LOLBAS.
Detects the creation of named pipes associated with default Cobalt Strike malleable profiles and common open-source C2 frameworks (e.g., Sliver, Havoc) via EDR pipe-creation telemetry. These pipes are frequently used for SMB beacon communication within compromised networks.
Detects 'kubectl exec' or 'kubectl attach' requests targeting pods configured with dangerous security contexts (privileged, hostPID, or hostNetwork). The rule filters out known CI/CD service accounts to focus on potentially malicious manual or unauthorized programmatic access, which often serves as a precursor to container breakout or host-level compromise.
Detects WmiPrvSE.exe spawning child processes within 120 seconds of a Type 3 (Network) logon event. This behavior is a common indicator of remote command execution, frequently used by lateral movement tools like Impacket's wmiexec or similar WMI-based remote execution frameworks.
This rule detects potential Kerberoasting activity by monitoring for high volumes of Kerberos TGS (Ticket Granting Service) requests using the weak RC4 encryption type (0x17) from a single account within a 5-minute window. It excludes machine accounts and common system service requests to reduce noise.
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