Ibrahim Saud
@tektrixIndiaCompletionist
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Detects the creation of a new local user account named 'ops' or an account with 'full' group privileges on MikroTik RouterOS. This rule is designed to identify potential persistence mechanisms following the exploitation of MikroTrick vulnerabilities (CVE-2026-67279/CVE-2026-86060), often indicated by anomalous prior login patterns.
Detects the execution of destructive SQL commands (e.g., DROP, TRUNCATE, mass DELETE) via common command-line database clients. These patterns are often observed when threat actors attempt to destroy forensic evidence or interrupt database availability immediately following unauthorized data exfiltration.
Detects web or application server processes (Apache, Nginx, IIS, Tomcat, PHP) spawning command interpreters or scripting engines. This behavior is indicative of a post-exploitation activity where an attacker executes commands following a remote code execution exploit against the web application.
Detects malicious JavaScript injection on e-commerce checkout or payment pages designed to harvest sensitive payment card information (PAN, CVV, expiry) and exfiltrate the stolen data to an external endpoint. This behavior is indicative of a digital credit card skimmer (e.g., Magecart style) deployed following a compromise of the web application.
Detects suspicious network connectivity where a newly executed process (that is not a browser or Slack) immediately establishes an outbound HTTPS connection to the Slack API. This behavior is indicative of potential malware implants or malicious scripts attempting to perform system reconnaissance and check-in to an attacker-controlled Slack workspace.
Detects the presence of an unauthorized administrative account (e.g., 'ops') on MikroTik RouterOS devices following a system 'Flagged' indicator. This rule correlates administrative account creation or modification events with system-reported compromise indicators to identify post-exploitation persistence mechanisms related to known RouterOS vulnerabilities.
Detects attempts to bypass or tamper with the Antimalware Scan Interface (AMSI). This rule monitors for command-line arguments indicative of reflection-based patching of AmsiUtils and forced AmsiScanBuffer failures, as well as registry modifications to AMSI providers.
Detects anomalous Kerberos ticket requests that are characteristic of Golden Ticket attacks. The rule flags the use of weak encryption types (e.g., RC4) commonly used in forged tickets even in AES-enforced environments, and direct requests for the KRBTGT service account outside of legitimate ticket renewal operations.
Detects unauthorized access to the Directory Replication Service (DRS) using Event ID 4662. The rule looks for access requests to sensitive Active Directory replication objects (GUIDs 1131f6aa-9c07-11d1-f79f-00c04fc2dcd2 and 1131f6ad-9c07-11d1-f79f-00c04fc2dcd2) initiated by accounts other than Domain Controller machine accounts, which is a signature behavior of tools like Mimikatz lsadump::dcsync or Impacket's secretsdump.py.
Detects attempts to create a memory dump of the Local Security Authority Subsystem Service (LSASS) process using well-known utilities such as procdump, rundll32 with comsvcs.dll, and taskmgr, which are frequently used by adversaries to perform credential dumping.
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