Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the creation of a file with an uncommon extension in an Office application startup folder
Detects when a file with a suspicious extension is created in the startup folder
Detects the creation of a file with a suspicious extension in the public folder, which could indicate potential malicious activity.
Detects programs on a Windows system that should not write executables to disk
Detects creation of new ".dll" files inside the plugins directory of a notepad++ installation by a process other than "gup.exe". Which could indicates possible persistence
Action "PnpDeviceConnected" reports the connection of any plug and play device.
Read more online on event 6416: https://docs.microsoft.com/windows/security/threat-protection/auditing/event-6416.
Query #1: look for rare one-time devices connected to a specific machine.
Read more online on event 6416: https://docs.microsoft.com/windows/security/threat-protection/auditing/event-6416.
Query #1: look for rare one-time devices connected to a specific machine.
Detects the presence of an LSASS dump file in the "CrashDumps" folder. This could be a sign of LSASS credential dumping. Techniques such as the LSASS Shtinkering have been seen abusing the Windows Error Reporting to dump said process.
Detects the creation of a file that has the same name as the default LiveKD kernel memory dump.
Detects the pattern of UAC Bypass using IEInstal.exe (UACMe 64)
Detects creation of the Process Monitor driver by processes other than Process Monitor (procmon) itself.
Detects the creation of tasks from processes executed from suspicious locations
Detects creation of a file named "ErrorHandler.cmd" in the "C:\WINDOWS\Setup\Scripts\" directory which could be used as a method of persistence
The content of C:\WINDOWS\Setup\Scripts\ErrorHandler.cmd is read whenever some tools under C:\WINDOWS\System32\oobe\ (e.g. Setup.exe) fail to run for any reason.
The content of C:\WINDOWS\Setup\Scripts\ErrorHandler.cmd is read whenever some tools under C:\WINDOWS\System32\oobe\ (e.g. Setup.exe) fail to run for any reason.
Detects file write event from/to a fake recycle bin folder that is often used as a staging directory for malware
Detects suspicious activity in which the MSExchangeMailboxReplication process writes .asp and .apsx files to disk, which could be a sign of ProxyShell exploitation
This rule detects suspicious files created by Microsoft Sync Center (mobsync)
Detects suspicious files created via the OneNote application. This could indicate a potential malicious ".one"/".onepkg" file was executed as seen being used in malware activity in the wild
'This query looks for file hashes and AV signatures associated with Prestige ransomware payload.'
This query can be used to detect instances of malicious users who attempt to create steganographic images and then immediately browse to a webmail URL. This query would require additional investigation to determine whether the co-occurrance of generating a steganographic image and browsing to a webmail URL is an indication of a malicious event.
This query was originally published in the threat analytics report, ShadowHammer supply chain attack
Operation ShadowHammer was an attack against ASUS computer hardware, using the company's own update infrastructure to deliver malware to the company's products. The campaign ran from June to November, 2018. ASUS has since responded with updates that protect their Live Update system, and diagnostic tools to check affected systems.
The following query checks for activity associated with the ShadowHammer implant or container over the past 30 days.
References:
https://www.vice.com/en_us/article/pan9wn/hackers-hijacked-asus-software-updates-to-install-backdoors-on-thousands-of-computers
https://www.asus.com/News/hqfgVUyZ6uyAyJe1
Operation ShadowHammer was an attack against ASUS computer hardware, using the company's own update infrastructure to deliver malware to the company's products. The campaign ran from June to November, 2018. ASUS has since responded with updates that protect their Live Update system, and diagnostic tools to check affected systems.
The following query checks for activity associated with the ShadowHammer implant or container over the past 30 days.
References:
https://www.vice.com/en_us/article/pan9wn/hackers-hijacked-asus-software-updates-to-install-backdoors-on-thousands-of-computers
https://www.asus.com/News/hqfgVUyZ6uyAyJe1
Remote Monitoring and Management (RMM) programs are IT to manage remote endpoints. Attackers have begun to abuse these programs to persist or provide C2 channels.
https://github.com/jischell-msft/RemoteManagementMonitoringTools
https://github.com/jischell-msft/RemoteManagementMonitoringTools
Remote Monitoring and Management (RMM) programs are IT to manage remote endpoints. Attackers have begun to abuse these programs to persist or provide C2 channels.
https://github.com/jischell-msft/RemoteManagementMonitoringTools
https://github.com/jischell-msft/RemoteManagementMonitoringTools
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