Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
3,122 detections
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This rule detects the Wintenzz ransomware by identifying specific byte patterns related to its file finding, encryption, and ransom note dropping functionalities. The rule looks for a combination of these patterns within a PE file (indicated by the MZ header).
Yara rule that detects Solaso ransomware.
Yara rule that detects Wintenzz ransomware.
This YARA rule detects the AvosLocker ransomware by identifying specific byte sequences (strings) within executable files. The rule looks for patterns associated with file enumeration ($find_files), resource enumeration ($enum_resources), key import operations ($import_key), and file encryption routines ($encrypt_files). All four string patterns must be present in a file, and the file must start with the MZ header (0x5A4D) to be considered a match.
This YARA rule detects the Jormungand ransomware by identifying specific byte patterns related to its core functionalities. These functionalities include dropping a ransom note, encrypting files using AES and RSA algorithms, finding files to encrypt, and establishing remote connections. The rule specifically looks for these patterns within executable files (indicated by `uint16(0) == 0x5A4D` for MZ header).
Yara rule that detects AvosLocker ransomware.
Yara rule that detects Jormungand ransomware.
This rule detects the Hog ransomware by identifying specific bytecode patterns associated with key generation, file enumeration, and file encryption routines. The rule looks for a combination of these patterns within a Portable Executable (PE) file, indicated by the 'MZ' header (uint16(0) == 0x5A4D). The patterns '$generate_key', '$find_files', and '$encrypt_files_p1' and '$encrypt_files_p2' must all be present for a detection.
Yara rule that detects Hog ransomware.
This rule detects the McBurglar ransomware by identifying specific bytecode patterns related to its setup, file enumeration, salt generation for encryption, and file encryption routines. The rule looks for distinct sequences of MSIL (Microsoft Intermediate Language) instructions that are characteristic of McBurglar's operations.
This rule detects the presence of TargetCompany ransomware by identifying specific byte patterns associated with its core functionalities. These functionalities include encrypting files, generating encryption keys, finding files to encrypt, and establishing remote connections, which are all characteristic behaviors of ransomware.
Yara rule that detects McBurglar ransomware.
Yara rule that detects TargetCompany ransomware.
This YARA rule detects the Bam2021 ransomware by identifying specific byte patterns associated with its core functionalities. These functionalities include enumerating shares, finding files for encryption, generating encryption keys, performing file encryption, and establishing remote connections, likely for command and control or data exfiltration.
This YARA rule detects the Motocos ransomware by identifying specific byte patterns associated with its key generation, file finding, and file encryption routines. The rule looks for three distinct sequences of bytes, indicating the presence of the ransomware's core functionalities within a Windows executable.
Yara rule that detects Motocos ransomware.
This rule detects the Ghostbin ransomware by identifying specific bytecode patterns related to environment setup, file enumeration, and file encryption routines. The rule looks for a combination of these patterns within a Portable Executable (PE) file, indicated by the magic number 0x5A4D at the beginning of the file.
This rule detects the TaRRaK ransomware based on specific bytecode patterns. The patterns indicate functionality related to finding and encrypting files, changing the desktop background, and dropping a ransom note. The rule specifically targets MSIL (Microsoft Intermediate Language) bytecode, suggesting it's designed for .NET executables.
Yara rule that detects Ghostbin ransomware.
Yara rule that detects TaRRaK ransomware.
This YARA rule detects the Cring ransomware based on specific bytecode patterns. The rule looks for distinct sequences of bytes related to file finding and encryption operations, which are characteristic of the Cring ransomware family. The presence of these patterns indicates that a file is likely a Cring ransomware executable.
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