Arnold Chan
@slazTrusted contributorCompletionist
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7,555 detections
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This rule detects potentially malicious activity involving the manipulation of Windows services using 'sc.exe' to stop or delete services, combined with the forceful termination of 'svchost.exe' processes via 'wmic.exe'. This pattern is often associated with adversaries attempting to disable security tools, logging agents, or other defensive mechanisms on an endpoint.
This rule detects potentially malicious activity involving the manipulation of Windows services using 'sc.exe' to stop or delete services, combined with the forceful termination of 'svchost.exe' processes via 'wmic.exe'. This pattern is often associated with adversaries attempting to disable security tools, logging agents, or other defensive mechanisms on an endpoint.
This rule detects the installation of Windows services that utilize names or display names commonly associated with known malware, potentially mimicking legitimate system services to maintain persistence or evade detection.
This rule detects the execution of powershell.exe with command-line arguments that utilize 'curl' to download a file from a specific remote IP address (103.86.86.244). This behavior is characteristic of adversaries using built-in Windows tools or redirected utilities to perform ingress tool transfer as part of a malicious payload delivery.
Detects the use of PowerShell to modify Windows Defender security settings by adding exclusion paths or processes. This behavior is indicative of an adversary attempting to whitelist malicious files or processes to evade detection by the antivirus solution.
Detects the use of PowerShell to modify Windows Defender security settings by adding exclusion paths or processes. This behavior is indicative of an adversary attempting to whitelist malicious files or processes to evade detection by the antivirus solution.
Detects the use of PowerShell to modify Windows Defender security settings by adding exclusion paths or processes. This behavior is indicative of an adversary attempting to whitelist malicious files or processes to evade detection by the antivirus solution.
Detects periodic heartbeat beaconing activity to the domain 'tt.yeyoujs.com' over both encrypted TLS (SNI observation on port 9443) and DNS queries. This pattern is indicative of a command-and-control (C2) channel establishing or maintaining persistence.
Detects periodic heartbeat beaconing activity to the domain 'tt.yeyoujs.com' over both encrypted TLS (SNI observation on port 9443) and DNS queries. This pattern is indicative of a command-and-control (C2) channel establishing or maintaining persistence.
Detects SoftEther VPN bridge dropper/installer disguised as svchost.exe with masquerading MixedRealityOpen service, based on install script and dropped files (a.Bat, hamcore.se2, vpn_server.config)
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