Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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This rule detects mass-distributed email phishing campaigns that impersonate Google branding. It identifies emails using Google-related sender display names or subjects that originate from non-Google domains and contain links to external, non-Google domains. The detection focuses on identifying suspicious patterns across multiple recipients rather than individual email signatures.
Detects bulk file creation of XML files associated with Dahua credential exports, likely generated by a Python script, which is indicative of credential harvesting or staging for exfiltration.
Detects attempts to patch or disable Event Tracing for Windows (ETW) functionality by identifying memory modification operations targeting the 'EtwEventWrite' function or direct memory protection changes within 'ntdll.dll'. This is a common technique used by malware and post-exploitation tools to blind security telemetry.
This rule monitors for high-frequency download or access events of files associated with AI development, such as model weights (.pt, .ckpt, .safetensors, .h5, .onnx, .pkl, .pb), checkpoints, and research datasets from cloud storage. It triggers when an account accesses or downloads 20 or more unique AI-related files within a 60-minute window, which is indicative of unauthorized data exfiltration of intellectual property.
Detects an accelerated sequence of attack phases—specifically recon, privilege escalation, lateral movement, and persistence—occurring on a single device within a short timeframe (15 minutes). This behavioral pattern indicates potential automated or script-orchestrated intrusion activity.
Detects the execution of PowerShell with hidden flags and encoded commands spawned by a 'conhost.exe' process running in '--headless' mode. This specific process pattern is indicative of the obfuscated execution chain used by LausivLoader.
This rule detects a specific network exploit attempt targeting Dahua devices (CVE-2021-33045), where an attacker attempts to bypass authentication by manipulating the login parameters, specifically by forcing the system to interpret requests as coming from the local loopback interface.
Detects the execution of PowerShell scripts that utilize a multi-stage deobfuscation and loading technique. The script decrypts a staged payload using AesManaged (with specific hardcoded byte constants), decompresses the result via GZipStream, and uses [System.Reflection.Assembly]::Load to reflectively execute the resulting .NET assembly in memory. This pattern is characteristic of advanced malware loader chains, such as those used by the 'LausivLoader'.
Detects network activity (DNS, HTTP, and direct IP connections) associated with known command-and-control infrastructure shared by SpiceRAT, NodeEdgeRAT, and NomadRAT malware, identified as part of the SilkParasite campaign.
This rule detects a suspicious sequence of events occurring on a host within a 600-second window: the modification of the Windows Trusted Root Certificate store (via certutil or registry manipulation) followed by the writing of a new executable file. This behavior is indicative of an adversary establishing persistence or preparing to bypass security controls by installing a malicious CA certificate and dropping a packed binary.
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