Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,458 downloads7,116 copies47 likes38,529 views
11,679 detections
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Detects specific file artifacts associated with an AsyncRAT infection chain that leverages a renamed AutoIT interpreter. The rule looks for the presence of a renamed executable, an encrypted .ini loader script, and an unnamed binary payload staged within a temporary directory, as well as associated batch script activity.
Detects outbound TCP traffic originating from the internal network destined for a known RMRLX RAT command and control (C2) server on port 4561. This signature identifies the client-side 'hello' beaconing behavior characteristic of this specific malware.
Detects the execution of MSBuild.exe initiated by PowerShell involving specific suspicious file names or extensions (.csproj, .xml) or project naming conventions, followed immediately (within 15 minutes) by an external network connection from the MSBuild process to a specific suspicious IP address or non-standard port.
This rule monitors for file creation or existence patterns in the user's Local Temp directory that are commonly associated with infostealer malware, specifically looking for naming conventions like 'evo_cl_*.exe', 'evo_db_*.db', or the presence of a 'stolen.zip' file within subdirectories.
Detects instances where the Windows Package Manager (winget.exe) initiates potentially suspicious child processes such as command shells or administrative tools, and correlates this activity with network connections originating from those child processes.
This rule detects the suspicious creation or modification of local user accounts (e.g., 'svc_ipurple') occurring within a short 15-minute window following the execution of Windows Package Manager (Winget) configuration tasks. This behavior may indicate an attacker using automated configuration files (DSC) to establish persistence or escalate privileges on a compromised system.
Detects bulk uploads or downloads of AI/ML artifacts, such as model weights, datasets, and configuration files, to suspected personal or external cloud storage providers. This rule is designed to identify potential unauthorized exfiltration of proprietary AI/ML assets.
This rule monitors for the creation or renaming of executable files (.exe) within the 'Users\Public' directory. This directory is commonly used by adversaries for staging malicious payloads, as it is writable by standard users and often overlooked by security controls.
Detects suspicious command-line strings stored in the Windows Explorer RunMRU registry key. Adversaries may use this location to store persistence commands or to obfuscate command-line arguments that are intended to be executed by the user or via automated processes.
Detects anomalous spikes in AI/ML API usage for specific callers, including request volume, token count, and estimated costs, relative to a 7-day historical baseline. This activity is indicative of Cost Harvesting or Resource Exhaustion against pay-per-use AI services, mapped to the MITRE ATLAS framework.
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