HackTool - SharpMove Tool Execution

Severity: high
Author: Luca Di Bartolomeo (CrimpSec)
Source: upstream

Detects the execution of SharpMove, a .NET utility performing multiple tasks such as "Task Creation", "SCM" query, VBScript execution using WMI via its PE metadata and command line options.

MITRE ATT&CK coverage

Tactic	Techniques
Lateral Movement	`T1021.002` Remote Services: SMB/Windows Admin Shares

Event coverage

Provider	Event ID	Title
Sysmon	1	Process creation

Stages and Predicates

Stage 1: `selection_img`

or:
Image|endswith: '\SharpMove.exe'
OriginalFileName: SharpMove.exe

Stage 2: `all of selection_cli_computer`

CommandLine|contains: 'computername='

Stage 3: `all of selection_cli_actions`

or:
CommandLine|contains: 'action=create'
CommandLine|contains: 'action=dcom'
CommandLine|contains: 'action=executevbs'
CommandLine|contains: 'action=hijackdcom'
CommandLine|contains: 'action=modschtask'
CommandLine|contains: 'action=modsvc'
CommandLine|contains: 'action=query'
CommandLine|contains: 'action=scm'
CommandLine|contains: 'action=startservice'
CommandLine|contains: 'action=taskscheduler'

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	`action=create` `action=dcom` `action=executevbs` `action=hijackdcom` `action=modschtask` `action=modsvc` `action=query` `action=scm` `action=startservice` `action=taskscheduler` `computername=`
`Image`	ends_with	`\SharpMove.exe`
`OriginalFileName`	eq	`SharpMove.exe`