Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
174 detections
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Detects the use of certutil.exe for encoding or decoding temporary or cabinet files, a technique used by Kimsuky to obfuscate and stage data for exfiltration.
Detects the creation of a set of four named pipes with a specific naming convention (`[random]_stdin_read`, `[random]_stdin_write`, etc.), a behavior consistent with the EndClient RAT used by Kimsuky to establish a remote shell.
Detects the execution of a suspicious PowerShell dropper script, often initiated by a user clicking a malicious file (e.g., LNK). This pattern is common in phishing campaigns, including those by groups like Kimsuky. The detection looks for PowerShell commands that use common evasion techniques (like hidden windows or bypassing execution policies).
This rule identifies emails originating from sender addresses listed in a GitHub-hosted CSV file, which is explicitly named 'North-Korean-Emails'. The rule's purpose is to flag incoming emails that appear to be sent from individuals or entities associated with North Korea, based on the provided list of email addresses. This could indicate potential phishing, espionage, or other malicious activities originating from North Korean threat actors.
Detects PowerShell activity associated with the Kimsuky threat actor, where system information is collected and exfiltrated to a private GitHub repository, or where other IOCs related to this campaign are observed. This technique was observed in a campaign distributing the XenoRAT malware.
Detects PowerShell commands using string reversal techniques and specific numeric padding, methods observed in Kimsuky's "ClickFix" campaigns to obfuscate malicious code. The rule looks for a combination of PowerShell string manipulation functions and a unique numeric string.
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