NitroRansomware

YARA-2025-0916 Critical general Active
No description available for this rule
NitroRansomware.yar Valid Syntax
rule NitroRansomware
{
  strings:
    $0 = {AE5A81F70B577CB1C9A4BF3C87FFC11135657A77C7F35A5A51775E6F5FCD9C33BFA675CFA9095367D40E13A654D7E871D5D5B5437B25EEA871136BCC96CFC64F995E9367CCAA193DF3AA67DEC29A3DBFB7BD2277C6ECB9ED2DA8C74E9E5AA3C74DFAEF73B7FC77F4F849FF755E2BDECEDE72DE}
    $1 = {F1939079CE494EC6939C9CE464228C328354A5685554C4A2566CD55A4AF5EA654606916B5B2DD71107504ABD5D2A421169B5D8F6B68A03A2B582CC28A257C5A1CA24811004C9F0BDD99BC7D66103C919827C7C7DD77A2DC83E}
  condition:
    all of them
}

String Definitions

{"name":"$0","value":"{AE5A81F70B577CB1C9A4BF3C87FFC11135657A77C7F35A5A51775E6F5FCD9C33BFA675CFA9095367D40E13A654D7E871D5D5B5437B25EEA871136BCC96CFC64F995E9367CCAA193DF3AA67DEC29A3DBFB7BD2277C6ECB9ED2DA8C74E9E5AA3C74DFAEF73B7FC77F4F849FF755E2BDECEDE72DE}"}
{"name":"$1","value":"{F1939079CE494EC6939C9CE464228C328354A5685554C4A2566CD55A4AF5EA654606916B5B2DD71107504ABD5D2A421169B5D8F6B68A03A2B582CC28A257C5A1CA24811004C9F0BDD99BC7D66103C919827C7C7DD77A2DC83E}"}

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 NitroRansomware.yar /path/to/suspicious/file

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

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

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

Integration Examples

Python (yara-python)

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

ClamAV Integration

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

Rule Information

YARA ID
YARA-2025-0916
Author
Unknown
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