Potential Recon Activity Via Nltest.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects nltest commands that can be used for information discovery
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\nltest.exe" OR ORIGINALFILENAME = "nltestrk.exe") AND ((COMMANDLINE contains "server" AND COMMANDLINE contains "query") OR COMMANDLINE contains "/user,all_trusts,dclist:,dnsgetdc:,domain_trusts,dsgetdc:,parentdomain,trusted_domains") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Active Directory
Author
Craig Young, oscd.community, Georg Lauenstein
