Mirage_APT_Backdoor
YARA-2025-1480
High
general
Active
Malware related to APT campaign
Mirage_APT_Backdoor.yar
Valid Syntax
rule Mirage_APT_Backdoor : APT Mirage Backdoor Rat MirageRat
{
meta:
author = "Silas Cutler (SCutler@SecureWorks.com)"
version = "1.0"
description = "Malware related to APT campaign"
type = "APT Trojan / RAT / Backdoor"
reference = "https://www.secureworks.com/research/the-mirage-campaign"
strings:
$a1 = "welcome to the desert of the real"
$a2 = "Mirage"
$b = "Encoding: gzip"
$c = /\/[A-Za-z]*\?hl=en/
condition:
(($a1 or $a2) or $b) and $c
}Rule Metadata
author
Silas Cutler (SCutler@SecureWorks.com)
version
1.0
description
Malware related to APT campaign
type
APT Trojan / RAT / Backdoor
reference
https://www.secureworks.com/research/the-mirage-campaign
Tags
APT
Mirage
Backdoor
Rat
MirageRat
String Definitions
{"name":"$a1","value":"\"welcome to the desert of the real\""}
{"name":"$a2","value":"\"Mirage\""}
{"name":"$b","value":"\"Encoding: gzip\""}
{"name":"$c","value":"\/\\\/[A-Za-z]*\\?hl=en\/"}
Threat Analysis
This YARA rule is designed to detect general threats.
Severity Level: High
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 Mirage_APT_Backdoor.yar /path/to/suspicious/file # Scan a directory recursively yara -r Mirage_APT_Backdoor.yar /path/to/directory/ # Scan with metadata output yara -m Mirage_APT_Backdoor.yar target_file # Scan process memory (Linux) yara Mirage_APT_Backdoor.yar /proc/[pid]/exe
Integration Examples
Python (yara-python)
import yara
rules = yara.compile(filepath='Mirage_APT_Backdoor.yar')
matches = rules.match('/path/to/file')
ClamAV Integration
clamscan --yara-rules=Mirage_APT_Backdoor.yar /path/to/scan
Rule Information
YARA ID
YARA-2025-1480
Repository
Created
August 19, 2025
Last Updated
August 19, 2025
Last Imported
Never
Threat Intelligence
Risk Level
High
Category
general
Detection Confidence
Analysis Pending
False Positive Rate
Not Available
Last Seen in Wild
No Data
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