Google SecOps
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727 detections
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Detects direct modification of autostart extensibility point (ASEP) in registry using reg.exe
Detects registry modifications that change features of internal Windows tools (malware like Agent Tesla uses this technique)
Detects suspicious new RUN key element pointing to an executable in a suspicious folder
Detects tampering of RDP Terminal Service/Server sensitive settings. Such as allowing unauthorized users access to a system via the 'fAllowUnsolicited' or enabling RDP via 'fDenyTSConnections'...etc
Detects tampering of RDP Terminal Service/Server sensitive settings. Such as allowing unauthorized users access to a system via the 'fAllowUnsolicited' or enabling RDP via 'fDenyTSConnections', etc.
Detects changes to the \"DisableRestrictedAdmin\" registry value in order to disable or enable RestrictedAdmin mode.\nRestrictedAdmin mode prevents the transmission of reusable credentials to the remote system to which you connect using Remote Desktop.\nThis prevents your credentials from being harvested during the initial connection process if the remote server has been compromise
Detects modification of autostart extensibility point (ASEP) in registry
Detects potential PowerShell commands or code within registry run keys
This rule detects the execution of Mimikatz or Mimikatz-like tools by looking for specific command-line arguments commonly used by the tool. Mimikatz is a well-known post-exploitation tool used to extract plaintext passwords, hash, PIN codes, and Kerberos tickets from memory, particularly from the Local Security Authority Subsystem Service (LSASS) process. The rule identifies various Mimikatz modules and commands such as "dumpcreds", "mimikatz", "::aadcookie", "::detours", "::memssp", "::mflt", "::ncroutemon", "::ngcsign", "::printnightmare", "::skeleton", "::preshutdown", "::mstsc", "::multirdp", "rpc::", "token::", "crypto::", "dpapi::", "sekurlsa::", "kerberos::", "lsadump::", "privilege::", "process::", and "vault::". Detection of these arguments indicates an attempt to perform credential access or privilege escalation.
This rule detects attempts to dump credentials from the Local Security Authority Subsystem Service (LSASS) process using `WerFault.exe`. It specifically looks for `WerFault.exe` accessing `lsass.exe` with a specific access mask (`0x1FFFFF`), which is indicative of memory dumping tools like Mimikatz, NanoDump, Invoke-Mimikatz, Procdump, or Taskmgr. This technique is often used by adversaries to extract credentials for lateral movement or persistence.
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