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43 lines
1.2 KiB
YAML
43 lines
1.2 KiB
YAML
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title: Reconnaissance Activity with Net Command
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status: experimental
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description: Detects a set of commands often used in recon stages by different attack groups
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references:
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- https://twitter.com/haroonmeer/status/939099379834658817
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- https://twitter.com/c_APT_ure/status/939475433711722497
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- https://www.fireeye.com/blog/threat-research/2016/05/targeted_attacksaga.html
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author: Florian Roth, Markus Neis
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date: 2018/08/22
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modified: 2018/12/11
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tags:
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- attack.discovery
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- attack.t1073
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- attack.t1012
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logsource:
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category: process_creation
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product: windows
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detection:
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selection:
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CommandLine:
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- tasklist
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- net time
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- systeminfo
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- whoami
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- nbtstat
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- net start
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- '*\net1 start'
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- qprocess
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- nslookup
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- hostname.exe
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- '*\net1 user /domain'
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- '*\net1 group /domain'
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- '*\net1 group "domain admins" /domain'
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- '*\net1 group "Exchange Trusted Subsystem" /domain'
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- '*\net1 accounts /domain'
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- '*\net1 user net localgroup administrators'
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- netstat -an
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timeframe: 15s
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condition: selection | count() by CommandLine > 4
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falsepositives:
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- False positives depend on scripts and administrative tools used in the monitored environment
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level: medium
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