Detection rules › Sigma

Suspicious Network Command

Severity
low
Author
frack113, Christopher Peacock '@securepeacock', SCYTHE '@scythe_io'
Source
upstream

Adversaries may look for details about the network configuration and settings of systems they access or through information discovery of remote systems

MITRE ATT&CK coverage

TacticTechniques
DiscoveryT1016 System Network Configuration Discovery

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

or:
CommandLine|re: 'arp\s+-a'
CommandLine|re: 'ipconfig\s+/all'
CommandLine|re: 'nbtstat\s+-n'
CommandLine|re: 'net\s+config'
CommandLine|re: 'netsh\s+interface show interface'
CommandLine|re: 'route\s+print'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
CommandLineregex_match
  • arp\s+-a
  • ipconfig\s+/all
  • nbtstat\s+-n
  • net\s+config
  • netsh\s+interface show interface
  • route\s+print