Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
2,918 detections
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Detects creation of ".vhd"/".vhdx" files by browser processes.
Malware can use mountable Virtual Hard Disk ".vhd" files to encapsulate payloads and evade security controls.
Malware can use mountable Virtual Hard Disk ".vhd" files to encapsulate payloads and evade security controls.
Detects a threat actor creating a file named `wbemcomn.dll` in the `C:\Windows\System32\wbem\` directory over the network and loading it for a WMI DLL Hijack scenario.
Powerup tool's Write Hijack DLL exploits DLL hijacking for privilege escalation.
In it's default mode, it builds a self deleting .bat file which executes malicious command.
The detection rule relies on creation of the malicious bat file (debug.bat by default).
In it's default mode, it builds a self deleting .bat file which executes malicious command.
The detection rule relies on creation of the malicious bat file (debug.bat by default).
Detects Windows shells and scripting applications that write files to suspicious folders
Detects creation of the PSEXEC key file. Which is created anytime a PsExec command is executed. It gets written to the file system and will be recorded in the USN Journal on the target system
This YARA rule detects the NB65 ransomware by identifying specific byte sequences associated with its file encryption, file discovery, and process enumeration functionalities. The rule looks for distinct patterns in the binary that indicate the presence of these malicious behaviors, which are characteristic of ransomware operations.
This YARA rule detects the Koxic ransomware by identifying specific byte patterns related to its core functionalities. These patterns include code for enumerating network shares, finding files on the system, and encrypting files. The rule combines these patterns to increase confidence in detecting Koxic ransomware executables.
This rule detects the CaddyWiper trojan, a destructive data wiper, by identifying specific byte patterns within executable files. The patterns correspond to functions involved in destroying data if the system is not a controller, erasing drive data, and recursively erasing drives.
This rule detects the TimeTime ransomware by identifying specific bytecode patterns associated with its file enumeration, encryption, and renaming activities. The rule looks for distinct sequences of operations related to finding files, encrypting files, encrypting folders, and renaming files, which are characteristic behaviors of ransomware.
This rule detects the Apis ransomware by identifying specific bytecode patterns related to its core functionalities: finding files, encrypting files, and setting up its environment. The rule looks for a combination of these distinct bytecode sequences within a file, indicating the presence of the ransomware.
Yara rule that detects Bam2021 ransomware.
Yara rule that detects Pay2Key ransomware.
This YARA rule detects the Zeoticus ransomware by identifying specific byte patterns related to its functionality. The rule looks for patterns associated with enumerating network shares, finding files, and encrypting files, which are core behaviors of ransomware. The rule requires all three sets of patterns to be present for a detection, reducing false positives.
Yara rule that detects Major ransomware.
This YARA rule detects the Ransomexx ransomware by identifying specific byte patterns associated with its file enumeration, network resource enumeration, and file encryption routines. The rule looks for a combination of these patterns within a PE file to confirm the presence of Ransomexx.
Yara rule that detects Makop ransomware.
This YARA rule detects the Horsedeal ransomware by identifying specific byte patterns associated with its core functionalities. The rule looks for code segments responsible for enumerating system resources, searching for processes, discovering files on the system, and performing file encryption. The presence of all these patterns, along with a valid Windows executable header, indicates the presence of the Horsedeal ransomware.
Yara rule that detects Balaclava ransomware.
This YARA rule detects the BadBlock ransomware by identifying specific byte patterns associated with its file encryption routines, file discovery mechanisms, and remote connection capabilities. The rule looks for three distinct sets of byte sequences: one related to encrypting files, another for searching files, and a third for establishing remote connections. All three patterns must be present in a file, along with the MZ header (0x5A4D), for a detection to occur.
This YARA rule detects the TorrentLocker ransomware by identifying specific byte sequences (signatures) associated with its executable code. These signatures include patterns related to its entry point, functions for contacting command and control servers, retrieving server data, removing shadow copies to prevent recovery, and finding files for encryption. The rule requires a combination of these patterns to trigger, ensuring a higher confidence in detection.
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