Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This YARA rule detects the Crysis ransomware by identifying specific byte patterns associated with its functionality. The rule looks for code related to remote connections, file enumeration, resource enumeration, and file encryption, which are characteristic behaviors of ransomware.
This YARA rule detects various versions of the GandCrab ransomware family by identifying specific byte patterns associated with its core functionalities. These functionalities include establishing remote connections, encrypting files, searching for files to encrypt, and enumerating antivirus processes to evade detection. The rule uses multiple sets of signatures to cover different versions and obfuscation techniques of GandCrab, ensuring a broad detection capability. The presence of these combined byte patterns within a Windows executable (MZ header check) indicates a high probability of GandCrab ransomware infection.
This YARA rule detects the Matsnu ransomware based on specific byte sequences indicative of its functionality. The rule looks for patterns related to remote connections, file encryption routines, and file enumeration, suggesting the presence of the Matsnu ransomware.
This Yara rule detects the Ransoc ransomware by identifying specific byte patterns related to its core functionalities. These functionalities include scanning for services, establishing remote connections, finding files to encrypt, and performing file encryption. The rule looks for distinct sequences of assembly instructions that are characteristic of Ransoc's operational methods.
This rule detects the Serpent ransomware based on specific byte patterns found in its executable code. The patterns indicate functionalities related to DLL manipulation and thread creation, file enumeration and searching, and establishing remote connections, including FTP. The rule specifically targets the Serpent ransomware family.
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