nomit vyas
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694 detections
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Detects the execution of a Python script characteristic of the AsyncRAT polymorphic APC injector. This involves python.exe running a script with arguments for an input binary file (-i *.bin) and a key file (-k *.txt).
Detects the execution of a JScript file by cscript.exe using a legacy NTFS 8.3 shortname format. This is a specific behavior observed in Gootloader's persistence mechanism, where a .LNK file in the Startup folder executes a second-stage script.
Detects when a legitimate application, specifically 'pdf24.exe', loads 'cryptbase.dll' from a non-standard directory. This behavior is indicative of DLL side-loading, a technique known to be used by the PDFSIDER malware to evade detection and potentially escalate privileges.
Detects the execution of a Python script characteristic of the AsyncRAT polymorphic APC injector. This involves python.exe running a script with arguments for an input binary file (-i *.bin) and a key file (-k *.txt).
Detects the modification of the registry to disable RDP Restricted Admin mode. This allows attackers to access plaintext credentials from the remote machine. This TTP is associated with the threat actor UAT-8837.
This rule identifies processes that trigger three or more STATUS_INVALID_PAGE_PROTECTION (0xC0000045) errors within a one-second interval. This specific behavior is caused by a recurring programming flaw in the pkr_mtsi packer, where it attempts to call NtProtectVirtualMemory with invalid memory protection constants.
Generic detection for MSI-based installer droppers
Detects post-exploitation behavior of LANDFALL spyware on Samsung devices. After exploiting CVE-2025-21042, the spyware uses LD_PRELOAD to inject a malicious shared object (.so) from its working directory (`/data/data/com.samsung.ipservice/files/`) into the benign `/system/bin/id` process, often via a shell wrapper.
Detects internal phishing emails with subject lines mimicking IT service notifications, such as from ServiceNow. This is a tactic used by the Jingle Thief group (also tracked as Atlas Lion and STORM-0539) for lateral movement within a compromised organization.
Detects the creation of a mutex with a specific pattern used by the MonsterV2 malware, a sophisticated RAT, loader, and stealer.
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