Arnold Chan
@slazTrusted contributorCompletionist
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Detects post-exploitation persistence artifacts on Windows endpoints consistent with abuse of CVE-2026-18577.
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.
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.
This rule detects potential VNC remote access activity by identifying systems that exhibit both the presence of specific VNC configuration/history files (AccInfo.ini, History.txt) and concurrent network activity on port 10635, which is commonly associated with VNC-like remote access tools.
This rule detects potential VNC remote access activity by identifying systems that exhibit both the presence of specific VNC configuration/history files (AccInfo.ini, History.txt) and concurrent network activity on port 10635, which is commonly associated with VNC-like remote access tools.
Detects instances where PowerShell is used to download an executable named 'svchost.exe' from an external IP address (103.86.86.244). The rule monitors for network connections to this IP, file creation events matching specific download patterns in fonts directories, and direct command-line arguments involving the suspicious IP and file path, indicating potential malware dropper activity.
Detects instances where PowerShell is used to download an executable named 'svchost.exe' from an external IP address (103.86.86.244). The rule monitors for network connections to this IP, file creation events matching specific download patterns in fonts directories, and direct command-line arguments involving the suspicious IP and file path, indicating potential malware dropper activity.
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)
Detects the use of the Windows reg.exe utility to copy Registry keys related to Radmin, a legitimate remote access tool that is frequently abused by threat actors for persistence and remote control. The command-line arguments /s and /f indicate a silent, forced copy operation, which is characteristic of script-based configuration tampering.
Detects the use of the native Windows registry utility 'reg.exe' to import configuration files (install.reg) related to the Radmin remote access software, specifically targeting the security settings registry path.
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