Potential Reconnaissance Activity Via GatherNetworkInfo.VBS

Severity: medium
Author: blueteamer8699
Source: upstream

Detects execution of the built-in script located in "C:\Windows\System32\gatherNetworkInfo.vbs". Which can be used to gather information about the target machine

MITRE ATT&CK coverage

Tactic	Techniques
Execution	`T1059.005` Command and Scripting Interpreter: Visual Basic
Discovery	`T1615` Group Policy Discovery

Event coverage

Provider	Event ID	Title
Sysmon	1	Process creation

Stages and Predicates

Stage 1: `all of selection_img`

or:
Image|endswith: '\cscript.exe'
Image|endswith: '\wscript.exe'
OriginalFileName: cscript.exe
OriginalFileName: wscript.exe

Stage 2: `all of selection_cli`

CommandLine|contains: gatherNetworkInfo.vbs

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.

Field	Kind	Values
`CommandLine`	match	`gatherNetworkInfo.vbs` corpus 2 (sigma 2)
`Image`	ends_with	`\cscript.exe` corpus 64 (sigma 64) `\wscript.exe` corpus 64 (sigma 64)
`OriginalFileName`	eq	`cscript.exe` corpus 15 (sigma 15) `wscript.exe` corpus 15 (sigma 15)