Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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KQL Query from file: Outlook New Requirements for High‐Volume Senders
This query was originally published in the threat analytics report, RDP ransomware persists as Wadhrama.
The ransomware known as Wadhrama has been used in human-operated attacks that follow a particular pattern. The attackers often use Remote Desktop Protocol (RDP) to gain initial access to a device or network, exfiltrate credentials, and maintain persistance.
The following query checks for possible Wadhrama-related activity, by detecting the technique these attackers have used in the past to dump credentials.
Other techniques used by the group associated with Wadhrama are listed under See also.
Reference - https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=Ransom:Win32/Wadhrama
The ransomware known as Wadhrama has been used in human-operated attacks that follow a particular pattern. The attackers often use Remote Desktop Protocol (RDP) to gain initial access to a device or network, exfiltrate credentials, and maintain persistance.
The following query checks for possible Wadhrama-related activity, by detecting the technique these attackers have used in the past to dump credentials.
Other techniques used by the group associated with Wadhrama are listed under See also.
Reference - https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=Ransom:Win32/Wadhrama
This YARA rule detects the Seth ransomware by identifying specific byte patterns associated with its file encryption routines, file discovery mechanisms, and remote connection capabilities. The rule looks for a combination of these patterns within a PE file (indicated by the MZ header).
This YARA rule detects the Lolkek ransomware by identifying specific byte sequences associated with its file encryption routines, volume discovery, and file discovery mechanisms. The rule looks for patterns related to encrypting files, finding logical volumes, and enumerating files, which are characteristic behaviors of ransomware.