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Arnold Chan

@slaz
Trusted contributorCompletionist
2 followers2,099 downloads4,327 copies51 likes25,810 views

7,544 detections

Detects a multi-stage Wazza phishkit communication chain over HTTP, involving initial configuration retrieval, token minting, token firing, and subsequent redirection with signed tokens.
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Arnold Chan@slaz
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Detection & Hunting Community
26 days ago
000
Detects WmiPrvSE.exe spawning a child process executable from a user-writable AppData\Local folder, which often results from a .NET process invoking ManagementClass(Win32_Process).Create.
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Arnold Chan@slaz
Defender - KQL
26 days ago
000
Detects WmiPrvSE.exe spawning a child process executable from a user-writable AppData\Local folder, which often results from a .NET process invoking ManagementClass(Win32_Process).Create.
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Arnold Chan@slaz
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Detections.ai Community
26 days ago
000
Detects persistence mechanisms associated with the MATCHBOIL campaign, identifying instances where a registry run key and a scheduled task pointing to an application data (%LOCALAPPDATA%) path are created by the same process within a short window, or where known specific scheduled task names and run value names are observed.
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Arnold Chan@slaz
Defender - KQL
26 days ago
000
Detects persistence mechanisms associated with the MATCHBOIL campaign, identifying instances where a registry run key and a scheduled task pointing to an application data (%LOCALAPPDATA%) path are created by the same process within a short window, or where known specific scheduled task names and run value names are observed.
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Arnold Chan@slaz
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Detections.ai Community
26 days ago
000
Detects activity associated with Everest ransomware by matching known file hashes (in DeviceFileEvents/DeviceProcessEvents) and known C2/leak-site domains (in DeviceNetworkEvents).
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
006
Detects the execution of PowerShell with a bypass execution policy that performs a download or web request to save content to a file in the user's temp directory, followed by the immediate execution of that file. This pattern is characteristic of multi-stage malware droppers or fileless attack techniques attempting to stage and execute malicious scripts from temporary locations.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
608
This rule detects potential post-compromise activity related to a campaign using MSP360-masqueraded installers and ScreenConnect remote access tools. It performs an IOC sweep across device file events for known malicious file hashes (associated with installers and post-compromise utilities) and device network events for connections to known malicious domains used for command and control.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
106
This rule detects instances where the MSP360 RMM Agent installer triggers an UAC elevation failure. The detection specifically monitors the execution of eventcreate.exe, which is often used to log events, when the command line includes strings indicating that the MSP360 installer failed to elevate privileges.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
106
This rule detects instances where the Faronics Deploy Agent process initiates the installation or download of ScreenConnect remote access software via PowerShell or the Windows Installer (msiexec.exe). This pattern is often indicative of authorized RMM deployment, but it is also a common tactic for adversaries to establish persistent remote access to endpoints.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
206
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