Detections

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

931 detections

Detects execution of executables that can be used to bypass Applocker whitelisting
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects uncommon or suspicious child processes spawning from a WSL process. This could indicate an attempt to evade parent/child relationship detections or persistence attempts via cron using WSL
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects the use of the Windows Update Client binary (wuauclt.exe) for proxy execution.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects execution of Cmdl32 with the "/vpn" and "/lan" flags.
Attackers can abuse this utility in order to download arbitrary files via a configuration file.
Inspect the location and the content of the file passed as an argument in order to determine if it is suspicious.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Executes SCT script using scrobj.dll from a command in entered into a specially prepared INF file.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects execution of "VSDiagnostics.exe" with the "start" command in order to launch and proxy arbitrary binaries.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects uncommon or suspicious child processes spawning from a VsCode "code.exe" process. This could indicate an attempt of persistence via VsCode tasks or terminal profiles.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects when verclsid.exe is used to run COM object via GUID
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects the execution of "Ldifde.exe" with the import flag "-i". The can be abused to include HTTP-based arguments which will allow the arbitrary download of files from a remote server.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects creation/modification of Assistive Technology applications and persistence with usage of 'at'
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects the "iexpress.exe" utility creating self-extracting packages.
Attackers where seen leveraging "iexpress" to compile packages on the fly via ".sed" files.
Investigate the command line options provided to "iexpress" and in case of a ".sed" file, check the contents and legitimacy of it.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects the execution of "DXCap.EXE" with the "-c" flag, which allows a user to launch any arbitrary binary or windows package through DXCap itself. This can be abused to potentially bypass application whitelisting.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects the execution of Microsoft Workflow Compiler, which may permit the execution of arbitrary unsigned code.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
007
Detects file execution using the msdeploy.exe lolbin
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
006
Detects the usage of the "sftp.exe" binary as a LOLBIN by abusing the "-D" flag
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
006
Detects the execution of Xwizard tool with the "RunWizard" flag and a GUID like argument.
This utility can be abused in order to run custom COM object created in the registry.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
006
Detects suspicious child processes of a Windows shell and scripting processes such as wscript, rundll32, powershell, mshta...etc.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
006
Detects a suspicious execution of a Microsoft HTML Help (HH.exe)
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
006
Detects calls to the AtomicTestHarnesses "Invoke-ATHRemoteFXvGPUDisablementCommand" which is designed to abuse the "RemoteFXvGPUDisablement.exe" binary to run custom PowerShell code via module load-order hijacking.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
006
Detects the creation of a child "explorer.exe" process from a shell like process such as "cmd.exe" or "powershell.exe".
Attackers can use "explorer.exe" for evading defense mechanisms by proxying the execution through the latter.
While this is often a legitimate action, this rule can be use to hunt for anomalies.
Muddy Waters threat actor was seeing using this technique.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
006
Detects suspicious .NET assembly executions. Could detect using Cobalt Strike's command execute-assembly.
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
006
Page 28 of 45