Detection rules › Sigma

SyncAppvPublishingServer VBS Execute Arbitrary PowerShell Code

Status
test
Severity
medium
Log source
product windows, category process_creation
Author
frack113
Source
github.com/SigmaHQ/sigma

Executes arbitrary PowerShell code using SyncAppvPublishingServer.vbs

MITRE ATT&CK coverage

Event coverage

Rule body yaml

title: SyncAppvPublishingServer VBS Execute Arbitrary PowerShell Code
id: 36475a7d-0f6d-4dce-9b01-6aeb473bbaf1
status: test
description: Executes arbitrary PowerShell code using SyncAppvPublishingServer.vbs
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1216/T1216.md
    - https://lolbas-project.github.io/lolbas/Binaries/Syncappvpublishingserver/
author: frack113
date: 2021-07-16
modified: 2022-06-22
tags:
    - attack.stealth
    - attack.t1218
    - attack.t1216
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - '\SyncAppvPublishingServer.vbs'
            - ';'  # at a minimum, a semi-colon is required
    condition: selection
falsepositives:
    - Unknown
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    CommandLine|contains|all:
        - '\SyncAppvPublishingServer.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.

FieldKindValues
CommandLinematch
  • ; corpus 2 (sigma 2)
  • \SyncAppvPublishingServer.vbs