Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

3,240 detections

Detects suspicious child process creations of VMware Tools process which may indicate persistence setup
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects a potentially suspicious execution of a parent process located in the "\Users\Public" folder executing a child process containing references to shell or scripting binaries and commandlines.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects the presence of the keywords "Wscript", "Shell" and "Run" in the command, which could indicate a suspicious activity
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects usage of wsudo (Windows Sudo Utility). Which is a tool that let the user execute programs with different permissions (System, Trusted Installer, Administrator...etc)
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects usage of winget to install applications via manifest file. Adversaries can abuse winget to download payloads remotely and execute them.
The manifest option enables you to install an application by passing in a YAML file directly to the client.
Winget can be used to download and install exe, msi or msix files later.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects usage of winget to add new potentially suspicious download sources
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects suspicious sysprep process start with AppData folder as target (as used by Trojan Syndicasec in Thrip report by Symantec)
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects the execution of FSharp Interpreters "FsiAnyCpu.exe" and "FSi.exe"
Both can be used for AWL bypass and to execute F# code via scripts or inline.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects a suspicious child process spawning from Outlook where the image is located in a remote location (SMB/WebDav shares).
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential process patterns related to Cobalt Strike beacon activity
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects when a shell program such as the Windows command prompt or PowerShell is launched with system privileges from a uncommon parent location.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects suspicious process related to rasdial.exe
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects a suspicious script execution in temporary folders or folders accessible by environment variables
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects usage of winget to add a new insecure (http) download source.
Winget will not allow the addition of insecure sources, hence this could indicate potential suspicious activity (or typos)
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
004
Detects execution of perl using the "-e"/"-E" flags. This is could be used as a way to launch a reverse shell or execute live perl code.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects PowerShell download and execution cradles.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects when the Console Window Host (conhost.exe) process is spawned by an uncommon parent process, which could be indicative of potential code injection activity.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects triggering of AMSI by Windows Defender.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects actions taken by Windows Defender malware detection engines
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects modifications to the Windows Defender configuration settings using PowerShell to add exclusions
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects Wscript or Cscript executing from a drive other than C. This has been observed with Qakbot executing from within a mounted ISO file.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
004
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