Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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This rule detects Windows PE executables that are digitally signed with code-signing certificates attributed to 'Discord Inc.' or 'Lenovo'. It performs a negative check to verify that the file metadata (such as internal names or company strings) does not match legitimate software from these vendors. This is intended to identify potential abuse of stolen certificates by adversaries to bypass security controls and masquerade as trusted software.
Detects instances where a process named 'comet.exe' (or 'comet') accesses sensitive file system locations such as Documents, Desktop, Pictures, or system directories like /etc/ or C:\Windows\. This rule excludes known-legitimate installation and application directories associated with Comet software to reduce noise.
Detects persistent, periodic network communication patterns to remote IPs on common ports (443, 8080) that deviate from known administrative remote access tools. The rule identifies processes communicating with a consistent, low-frequency interval, which is highly indicative of automated Command and Control (C2) beaconing behavior.
Detects remote thread creation attempts (via CreateRemoteThread or NtCreateThreadEx) where the associated module path is empty or null, which is a common indicator of process injection techniques attempting to execute code without a backing file on disk.
Detects the creation of a 'manifest.json' file within a directory path containing 'Extensions' by common web browsers, followed by an immediate file access event from a non-standard browser location within one hour of the installation. This pattern is indicative of the installation of a potentially malicious or sideloaded browser extension followed by anomalous file activity.
Detects the execution of an executable file where the command line matches a specific pattern of a single character argument (e.g., '.exe s'). This behavior is frequently associated with malicious tools attempting to perform actions with minimal command-line footprints or potential process injection/tampering patterns when executed by a different user than the initiating process.
This rule identifies potential SparroWocky malware payload files by detecting a specific custom header (0x11328712 in both little-endian and big-endian format) used for identifying encrypted .dat files that contain embedded RC4 keys.
Detects threads created using CreateThread or CreateRemoteThread where the start address resolves to the AnimateWindow function in user32.dll. This technique is often used by malware, such as those leveraging the MinHook library, to disguise the true entry point of injected code by redirecting thread execution through a legitimate Windows API function (hooking).
Detects the allocation of executable memory regions (RWX or EXECUTE_READ) that are not backed by a file on disk (i.e., anonymous memory). This behavior is a common indicator of process injection, shellcode execution, or fileless malware techniques where code is injected into a process and executed directly from memory without a corresponding file on disk.
Detects the creation or modification of a registry value containing 'SnapCart', which is associated with the persistence mechanism of the SparroWocky backdoor.
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