Detections

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

1,155 detections

Detects the image load of VSS DLL by uncommon executables
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects DLL sideloading of VMGuestLib.dll by the WmiApSrv service.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects abusing Azure Browser SSO by requesting OAuth 2.0 refresh tokens for an Azure-AD-authenticated Windows user (i.e. the machine is joined to Azure AD and a user logs in with their Azure AD account) wanting to perform SSO authentication in the browser.
An attacker can use this to authenticate to Azure AD in a browser as that user.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential DLL sideloading of "edputil.dll"
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects usage of Time Travel Debugging Utility. Adversaries can execute malicious processes and dump processes, such as lsass.exe, via tttracer.exe.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential DLL sideloading of "vivaldi_elf.dll"
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Attempts to load dismcore.dll after dropping it
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects rundll32 loading a renamed comsvcs.dll to dump process memory
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential sideloading of "mpclient.dll" by Windows Defender processes ("MpCmdRun" and "NisSrv") from their non-default directory.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential DLL sideloading of "roboform.dll", a DLL used by RoboForm Password Manager
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential DLL sideloading of "libvlc.dll", a DLL that is legitimately used by "VLC.exe"
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
004
Detects a threat actor creating a file named `wbemcomn.dll` in the `C:\Windows\System32\wbem\` directory over the network and loading it for a WMI DLL Hijack scenario.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential DLL sideloading of "libcurl.dll" by the "gup.exe" process from an uncommon location
Yamato Security Hayabusa@YamatoSecurityHayabusa
avatar
Yamato Security Hayabusa Rules
1 year ago
004
Detect usage of the "coregen.exe" (Microsoft CoreCLR Native Image Generator) binary to sideload arbitrary DLLs.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential DLL sideloading of "RjvPlatform.dll" by "SystemResetPlatform.exe" located in a non-default location.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential DLL sideloading of "mscorsvc.dll".
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects any assembly DLL being loaded by an Office Product
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential DLL sideloading of "7za.dll"
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects DLL sideloading of system DLLs that are not present on the system by default (at least not in system directories).
Usually this technique is used to achieve UAC bypass or privilege escalation.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects potential DLL sideloading of "DbgModel.dll"
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
Detects the load of RstrtMgr DLL (Restart Manager) by a suspicious process.
This library has been used during ransomware campaigns to kill processes that would prevent file encryption by locking them (e.g. Conti ransomware, Cactus ransomware). It has also recently been seen used by the BiBi wiper for Windows.
It could also be used for anti-analysis purposes by shut downing specific processes.
Yamato Security Hayabusa@YamatoSecurityHayabusa
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Yamato Security Hayabusa Rules
1 year ago
004
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