Suspicious Service Path Modification

Severity: high
Author: Victor Sergeev, oscd.community, Nasreddine Bencherchali (Nextron Systems)
Source: upstream

Detects service path modification via the "sc" binary to a suspicious command or path

MITRE ATT&CK coverage

Tactic	Techniques
Persistence	`T1543.003` Create or Modify System Process: Windows Service
Privilege Escalation	`T1543.003` Create or Modify System Process: Windows Service

Event coverage

Provider	Event ID	Title
Sysmon	1	Process creation
Security-Auditing	4688	A new process has been created.

Stages and Predicates

Stage 1: `selection`

or:
CommandLine|contains: 'C:\Users\Public'
CommandLine|contains: 'C:\Windows\TEMP\'
CommandLine|contains: '\AppData\Local\Temp'
CommandLine|contains: '\Desktop\'
CommandLine|contains: '\Downloads\'
CommandLine|contains: '\Microsoft\Windows\Start Menu\Programs\Startup\'
CommandLine|contains: 'cmd '
CommandLine|contains: 'cmd /c'
CommandLine|contains: 'cmd /k'
CommandLine|contains: 'cmd /r'
CommandLine|contains: 'cmd.exe /c'
CommandLine|contains: 'cmd.exe /k'
CommandLine|contains: 'cmd.exe /r'
CommandLine|contains: cscript
CommandLine|contains: dllhost
CommandLine|contains: mshta
CommandLine|contains: powershell
CommandLine|contains: rundll32
CommandLine|contains: svchost
CommandLine|contains: wscript
CommandLine|contains: binPath
CommandLine|contains: config
Image|endswith: '\sc.exe'

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.