Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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ET ATTACK_RESPONSE Base64 Encoded Powershell Performing Byte Operations Inbound
ET ATTACK_RESPONSE Koi Loader/Stealer CnC Config Inbound
This rule detects the presence of the PowerShell cmdlet 'Enable-ScheduledTask' within the HTTP response body. This could indicate an attacker using a web server to deliver or instruct a client to enable a scheduled task, potentially for persistence or privilege escalation. The detection specifically looks for 'enable-scheduledtask' case-insensitively, optionally preceded by '-taskname' or '-taskpath', within a successful HTTP 200 OK response.
This rule detects the string "schtasks" followed by "/end" and then "/tn" within the HTTP response body. This pattern indicates that a client is receiving a response that contains a command to end a scheduled task using the `schtasks` utility. This could be part of a command-and-control communication or a lateral movement attempt where an adversary is managing scheduled tasks on a compromised system.
This rule detects the presence of 'schtasks' followed by '/delete' and '/tn' (task name) in the HTTP response body with a 200 status code. This could indicate an attacker attempting to delete scheduled tasks on a compromised Windows system, potentially to remove forensic evidence or disrupt legitimate operations. The detection is case-insensitive and uses a PCRE to match the specific command structure.
ET MALWARE TA398 CurlBack_RAT CnC Activity - Fetch Commands M2
ET ATTACK_RESPONSE Braodo Loader Inbound
ET ATTACK_RESPONSE KoiStealer Payload Inbound
ET ATTACK_RESPONSE TA399 Fake 404 WebPage Inbound
This rule detects the presence of the PowerShell cmdlet 'Register-ScheduledTask' within an HTTP response body. This could indicate an attacker attempting to establish persistence on a compromised system by creating a scheduled task, potentially delivered via a web-based command and control channel or a malicious download.
This rule detects the presence of the PowerShell cmdlet 'New-ScheduledTask' and related parameters ('-action', '-trigger', '-taskname', '-settings') within the HTTP response body. This could indicate a system receiving instructions to create a scheduled task, potentially for persistence or execution of malicious code. The detection specifically looks for successful HTTP status code 200 responses.
This rule detects HTTP responses (status code 200) that contain the string 'schtasks' followed by '/run' and '/tn' (case-insensitive) in the response body. This pattern indicates the potential for a client system to receive instructions to execute a scheduled task, which could be used for persistence, lateral movement, or other malicious activities.
ET ATTACK_RESPONSE ReverseLoader Base64 Encoded Executable In Image M2
ET ATTACK_RESPONSE ReverseLoader Base64 Encoded Executable In Image M1
ET ATTACK_RESPONSE Observed AsyncRat Installer Inbound
ET ATTACK_RESPONSE TA399 Fake 404 WebPage Inbound
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