Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Detects potential database ransomware activity by correlating the usage of AES_ENCRYPT for record modification, followed by the dropping of tables and the insertion of ransom notes containing specific contact keywords (e.g., bitcoin, proton mail) within database queries or system logs.
Detects the use of Evil-WinRM or WinRM-fs command-line utilities combined with network connections over the WinRM ports (TCP 5985/5986). This activity is indicative of remote administrative tools being used for potential lateral movement or agent delivery, specifically observed in the context of the Toy Ghouls threat activity involving the Bird Agent.
Detects unauthorized directory replication requests (DRSGetNCChanges or DRSReplicaSync) originating from a host that is not identified as a Domain Controller. This behavior is indicative of a DCSync attack, where an adversary impersonates a domain controller to extract credential hashes from the Active Directory database.
Detects unauthorized directory replication requests (DRSGetNCChanges or DRSReplicaSync) originating from a host that is not identified as a Domain Controller. This behavior is indicative of a DCSync attack, where an adversary impersonates a domain controller to extract credential hashes from the Active Directory database.
Detects command-line activity indicating an attempt to interact with or abuse the Docker socket (/var/run/docker.sock) for container escape. Such activity is often observed in post-compromise scenarios, such as ransomware attacks where an adversary attempts to break out of a containerized application to gain control of the underlying host.
Detects the creation of a new user account in Nacos, followed immediately by an authentication failure and then a successful authentication, which may indicate an attacker using automated tools to create and test a backdoored administrative account.
Detects command-line activity associated with Monkey ransomware, specifically attempts to bypass AMSI (patching AmsiScanBuffer, targeting AmsiUtils), disable ETW (Event Tracing for Windows) monitoring, and add Microsoft Defender exclusions to evade detection prior to encryption.
Detects anomalous process execution (cmd.exe or powershell.exe) initiated by PaperCut application server processes (pc-app.exe or java.exe), followed immediately by the modification of the 'Domain Admins' group membership. This behavior is indicative of potential post-exploitation privilege escalation activity following a successful PaperCut authentication bypass.
This rule detects HTTP GET requests to a specific URI path ('/wp-content/uploads/init/') on the domain 'wasmer.app', which is associated with Kimsuky (APT43) C2 beaconing activity. The presence of a token parameter in the URI and the structure of the request indicates an established connection for command and control purposes.
Detects HTTP POST requests to the Dropbox API endpoint (/2/files/upload) that appear to be unauthorized file uploads, specifically identifying patterns associated with the Kimsuky threat group. The rule triggers on both the presence of suspicious directory naming conventions (_lns/) in the Dropbox-API-Arg header and the use of hardcoded Authorization bearer tokens, both characteristic of Kimsuky's data exfiltration techniques.
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