Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,458 downloads7,116 copies47 likes38,538 views
11,679 detections
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Detects access to sensitive Active Directory objects associated with replication (specifically the Domain, Domain Controller, and Schema objects) by non-computer accounts, which may indicate an attempt to perform unauthorized replication or credential harvesting (e.g., DCSync attacks).
Detects two distinct suspicious activities on Android devices: the manual installation of an APK file using the 'pm' tool with specific flags, and the modification of security-sensitive settings to enable accessibility services via the 'settings' command. Both patterns are commonly associated with malicious Android applications or post-compromise activity.
Detects executable files launched from torrent-related directories or parent processes that perform reconnaissance commands or registry queries indicative of sandbox or virtualization detection, a technique observed in the MovieReaper malware loader.
Detects HTTP connections between internal hosts and suspected C2 infrastructure associated with the Operation SilkParasite campaign. The rule specifically monitors for connections to known malicious IPs and identifies the retrieval of a cloned RTX Corporation homepage content, which acts as a decoy for the SpiceRAT malware.
Detects the use of PowerShell to load .NET assemblies into memory using System.Reflection.Assembly::Load combined with indicators often associated with fileless payload execution, such as GZip decompression, AES decryption, or method invocation (EntryPoint.Invoke, GetType).
Detects the execution of PowerShell commands that utilize .NET cryptography classes (AesManaged) in conjunction with data compression (GZipStream) and base64 decoding (FromBase64String). This combination of classes is highly characteristic of malicious scripts designed to decrypt and execute obfuscated or packed payloads in memory.
Detects command-line activity indicating an attempt to bypass or tamper with Anti-Malware Scan Interface (AMSI) functionality. The rule flags processes invoking GetProcAddress or LoadLibrary to resolve and manipulate AMSI-specific functions like AmsiScanBuffer or AmsiScanString within amsi.dll, a common technique for disabling runtime script scanning.
Detects network communication with infrastructure identified as SilkParasite command and control by matching specific TLS certificate subjects and SHA-256 fingerprints associated with SpiceRAT.
Detects attempts to dump credentials from the LSASS process memory, either by executing known credential dumping tools like Mimikatz, using command-line arguments indicative of credential harvesting, or performing suspicious memory access/dumping operations on the lsass.exe process.
This rule detects the creation or registration of scheduled tasks using common scripting engines (PowerShell, WScript, CScript) or specific task name patterns (MicrosoftEdgeUpdateTaskCore, PhotoStudio.js) often associated with malicious persistence or execution. It monitors command lines for flags such as /create, /sc onlogon, or /ru system that suggest non-standard or unauthorized task creation patterns.
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