Detectionhightest

Network Reconnaissance Activity

Detects a set of suspicious network related commands often used in recon stages

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Florian Roth (Nextron Systems)Created Mon Feb 07e6313acd-208c-44fc-a0ff-db85d572e90ewindows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection:
        CommandLine|contains|all:
            - 'nslookup'
            - '_ldap._tcp.dc._msdcs.'
    condition: selection

False Positives

False positives depend on scripts and administrative tools used in the monitored environment

References

MITRE ATT&CK

Tactics

Techniques

CAR Analytics

2016-03-001 · CAR 2016-03-001

Rule Metadata

Rule ID

e6313acd-208c-44fc-a0ff-db85d572e90e

Status

test

Level

high

Type

Detection

Created

Mon Feb 07

Author

Path

rules/windows/process_creation/proc_creation_win_nslookup_domain_discovery.yml

Raw Tags

attack.discoveryattack.t1087attack.t1082car.2016-03-001