Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,457 downloads7,050 copies47 likes38,361 views
11,679 detections
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Detects modifications to Windows Registry persistence locations (Run, RunOnce, Winlogon Shell/Userinit) where the assigned executable path is located within high-risk directories such as Temp, AppData, or Users Public folders. This is a common technique used by malware for persistence.
Detects modifications to Windows Registry persistence locations (Run, RunOnce, Winlogon Shell/Userinit) where the assigned executable path is located within high-risk directories such as Temp, AppData, or Users Public folders. This is a common technique used by malware for persistence.
This rule detects potential DNS tunneling or beaconing activity by monitoring DNS queries for patterns commonly associated with command and control traffic. It flags anomalous DNS behavior including excessively long query strings, usage of TXT or NULL record types, frequent NXDOMAIN responses, or high volumes of such queries from a single host, which are indicative of data exfiltration or C2 communication via the DNS protocol.
Detects the initiation of a new process where the effective user context is SYSTEM, but the originating process was launched by a non-privileged user account. This behavior is indicative of token manipulation techniques such as token impersonation or theft (e.g., via DuplicateTokenEx or ImpersonateLoggedOnUser) to escalate privileges to SYSTEM.
Detects the abuse of built-in Windows binaries 'regsvr32.exe' and 'msbuild.exe' for proxy execution. Specifically, it flags 'regsvr32.exe' loading remote scriptlets via HTTP and 'msbuild.exe' processing project files containing inline tasks, which are common techniques used to execute arbitrary malicious code while bypassing security controls.
Detects suspicious PowerShell process creation patterns often associated with malicious activity. The rule identifies PowerShell execution invoked by common parent processes (like Office applications or scripting engines) or using highly suspicious command-line arguments such as encoded commands, hidden windows, or common download and execution patterns (e.g., IEX, WebClient).
Detects the installation or execution of common remote access tools (e.g., AnyDesk, ScreenConnect, Atera, Splashtop) using silent or unattended installation flags. This rule explicitly excludes activity originating from known administrative and management platforms such as Microsoft Intune and SCCM.
Detects high-entropy or unusually long encoded subdomain labels in DNS queries, which are characteristic of DNS tunneling tools like iodine, dnscat2, and dns2tcp used for command and control (C2) communication or data exfiltration over the DNS protocol.
This rule detects high-risk AWS API calls that are commonly associated with privilege escalation and persistence. It monitors for the creation of overly permissive IAM policies (wildcard permissions), the creation of new access keys for existing users, and suspicious AssumeRole operations.
Detects attempts to clear or delete Windows Event Logs using common utilities like wevtutil.exe, PowerShell cmdlets, or direct file system deletion of .evtx files.
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