Suspicious reconnaissance using LDAP

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	10 Minutes
Deduplication Period	7 Days
Required Data	XDR Agent with eXtended Threat Hunting (XTH)
Detector Tags	LDAP Analytics (Client)
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	Account Discovery (T1087)
Severity	Informational

Description

A process executed multiple suspicious LDAP search queries. This may be indicative of LDAP enumeration.

Attacker's Goals

An attacker is attempting to enumerate Active Directory.

Investigative actions

• Check if the process executes LDAP search queries as part of its normal behavior.
• Investigate the LDAP search query for any suspicious indicators.
• Determine whether the search query is generic. Generic search queries (often using wildcards) tend to be more suspicious.

Variations

Suspicious reconnaissance using LDAP from untrusted process

Synopsis

Field	Value
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	Account Discovery (T1087)
Severity	Low

Description

A process executed multiple suspicious LDAP search queries. This may be indicative of LDAP enumeration.

Attacker's Goals

An attacker is attempting to enumerate Active Directory.

Investigative actions

• Check if the process executes LDAP search queries as part of its normal behavior.
• Investigate the LDAP search query for any suspicious indicators.
• Determine whether the search query is generic. Generic search queries (often using wildcards) tend to be more suspicious.