GoldenEye_Ransomware_XLS

YARA-2016-0099 Critical general Active

GoldenEye XLS with Macro - file Schneider-Bewerbung.xls

GoldenEye_Ransomware_XLS.yar Valid Syntax
/*
    This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as    long as you use it under this license.

*/

rule GoldenEye_Ransomware_XLS {
   meta:
      description = "GoldenEye XLS with Macro - file Schneider-Bewerbung.xls"
      author = "Florian Roth"
      reference = "https://goo.gl/jp2SkT"
      date = "2016-12-06"
      hash1 = "2320d4232ee80cc90bacd768ba52374a21d0773c39895b88cdcaa7782e16c441"
   strings:
      $x1 = "fso.GetTempName();tmp_path = tmp_path.replace('.tmp', '.exe')" fullword ascii
      $x2 = "var shell = new ActiveXObject('WScript.Shell');shell.run(t'" fullword ascii
   condition:
      ( uint16(0) == 0xcfd0 and filesize < 4000KB and 1 of them )
}

rule GoldenEyeRansomware_Dropper_MalformedZoomit {
   meta:
      description = "Auto-generated rule - file b5ef16922e2c76b09edd71471dd837e89811c5e658406a8495c1364d0d9dc690"
      author = "Florian Roth"
      reference = "https://goo.gl/jp2SkT"
      date = "2016-12-06"
      hash1 = "b5ef16922e2c76b09edd71471dd837e89811c5e658406a8495c1364d0d9dc690"
   strings:
      $s1 = "ZoomIt - Sysinternals: www.sysinternals.com" fullword ascii
      $n1 = "Mark Russinovich" wide
   condition:
      ( uint16(0) == 0x5a4d and filesize < 800KB and $s1 and not $n1 )
}

Rule Metadata

description
GoldenEye XLS with Macro - file Schneider-Bewerbung.xls
author
Florian Roth
reference
https://goo.gl/jp2SkT
date
2016-12-06
hash1
2320d4232ee80cc90bacd768ba52374a21d0773c39895b88cdcaa7782e16c441

String Definitions

{"name":"$x1","value":"\"fso.GetTempName();tmp_path = tmp_path.replace('.tmp', '.exe')\" fullword ascii"}
{"name":"$x2","value":"\"var shell = new ActiveXObject('WScript.Shell');shell.run(t'\" fullword ascii"}

Threat Analysis

This YARA rule is designed to detect general threats.

Severity Level: Critical

The rule uses pattern matching to identify specific byte sequences, strings, or behavioral patterns associated with malicious activity.

Detection Capabilities

  • File-based detection for executables and documents
  • Memory scanning for running processes
  • Network traffic analysis support

Command Line Usage

# Scan a single file
yara GoldenEye_Ransomware_XLS.yar /path/to/suspicious/file

# Scan a directory recursively
yara -r GoldenEye_Ransomware_XLS.yar /path/to/directory/

# Scan with metadata output
yara -m GoldenEye_Ransomware_XLS.yar target_file

# Scan process memory (Linux)
yara GoldenEye_Ransomware_XLS.yar /proc/[pid]/exe

Integration Examples

Python (yara-python)

import yara
rules = yara.compile(filepath='GoldenEye_Ransomware_XLS.yar')
matches = rules.match('/path/to/file')

ClamAV Integration

clamscan --yara-rules=GoldenEye_Ransomware_XLS.yar /path/to/scan

Rule Information

YARA ID
YARA-2016-0099
Created
August 19, 2025
Last Updated
August 19, 2025
Last Imported
Never

Threat Intelligence

Risk Level Critical
Category general
Detection Confidence Analysis Pending
False Positive Rate Not Available
Last Seen in Wild No Data

Export Options