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Detection rules › Sigma

SNAKE Malware Installer Name Indicators

Status
test
Severity
low
Log source
product windows, category file_event
Author
Nasreddine Bencherchali (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects filename indicators associated with the SNAKE malware as reported by CISA in their report

MITRE ATT&CK coverage

TacticTechniques
ExecutionNo specific technique

Event coverage

ProviderEventTitle
SysmonEvent ID 11FileCreate

Rule body yaml

title: SNAKE Malware Installer Name Indicators
id: 99eccc2b-7182-442f-8806-b76cc36d866b
status: test
description: Detects filename indicators associated with the SNAKE malware as reported by CISA in their report
references:
    - https://media.defense.gov/2023/May/09/2003218554/-1/-1/0/JOINT_CSA_HUNTING_RU_INTEL_SNAKE_MALWARE_20230509.PDF
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-05-10
tags:
    - attack.execution
    - detection.emerging-threats
logsource:
    category: file_event
    product: windows
detection:
    selection:
        TargetFilename|endswith:
            - '\jpsetup.exe'
            - '\jpinst.exe'
    condition: selection
falsepositives:
    - Some legitimate software was also seen using these names. Apply additional filters and use this rule as a hunting basis.
level: low

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    TargetFilename|endswith:
        - '\jpsetup.exe'
        - '\jpinst.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.

FieldKindValues
TargetFilenameends_with
  • \jpinst.exe
  • \jpsetup.exe