Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects exploitation indicators for CVE-2023-20198, a privilege escalation vulnerability in Cisco IOS XE Software Web UI. It looks for specific log messages related to Web UI installation operations, system configuration changes, or successful web logins, in conjunction with the use of specific user accounts ('cisco_tac_admin', 'cisco_support', 'cisco_sys_manager') that are not typically created by default or used by Cisco representatives. The combination of these events suggests an attempt to exploit the vulnerability.
This rule detects authentication attempts (both successful and failed) originating from a host with a 16-character alphanumeric workstation name, specifically looking for NTLM authentication. This pattern is characteristic of Metasploit's SMB modules, which often generate random 16-character workstation names during authentication attempts. The rule aims to identify potential lateral movement or reconnaissance activities using Metasploit against Windows systems.
This rule identifies sign-in attempts from geographically distant locations within a short timeframe, which is indicative of an "impossible travel" scenario. It also considers if one of these locations is atypical for the user based on their past behavior. This pattern often suggests that an attacker has compromised user credentials and is attempting to access the account from a new, unusual location, potentially using a VPN or proxy service to mask their true origin.
Detects successful logon attempts that occur via the Windows Management Instrumentation (WMI) service, specifically when the WmiPrvSE.exe process is involved. This can indicate an adversary using WMI for execution or lateral movement.
Alerts on Metasploit host's authentications on the domain.
Detects AzureHound (A BloodHound data collector for Microsoft Azure) activity via the default User-Agent that is used during its operation after successful authentication.
Detects the default "UserName" used by the DiagTrackEoP POC
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