Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects the StealC infostealer malware by identifying specific byte patterns within the executable. These patterns correspond to functions for resolving Windows APIs, loading SQLite3 functions (often used by infostealers to extract data from browsers and other applications), and checking license expiration dates, which are characteristic of this particular malware family. The rule requires all three patterns to be present in a PE file (identified by the 'MZ' header) to trigger, reducing false positives.
Mimikatz Use
Sigma
This method detects mimikatz keywords in different Eventlogs (some of them only appear in older Mimikatz version that are however still used by different threat groups)
This rule detects the MultigrainPOS infostealer by identifying specific byte patterns associated with its data exfiltration, memory scraping (likely for credentials), process searching, and service creation functionalities. It includes two versions of these patterns (v10_1 and v11_1) to cover different variants of the malware. The rule specifically targets executable files (MZ header check).
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