Jasmin_Ransomware
YARA-2025-2246
Critical
general
Active
Detection patterns for the tool 'Jasmin-Ransomware' taken from the ThreatHunting-Keywords github project
Jasmin_Ransomware.yar
Valid Syntax
rule Jasmin_Ransomware
{
meta:
description = "Detection patterns for the tool 'Jasmin-Ransomware' taken from the ThreatHunting-Keywords github project"
author = "@mthcht"
reference = "https://github.com/mthcht/ThreatHunting-Keywords"
tool = "Jasmin-Ransomware"
rule_category = "signature_keyword"
strings:
// Description: Jasmin Ransomware is an advanced red team tool (WannaCry Clone) used for simulating real ransomware attacks
// Reference: https://github.com/codesiddhant/Jasmin-Ransomware
$string1 = /Ransom\:MSIL\/Jasmin\./ nocase ascii wide
condition:
any of them
}
Rule Metadata
description
Detection patterns for the tool 'Jasmin-Ransomware' taken from the ThreatHunting-Keywords github project
author
@mthcht
reference
https://github.com/mthcht/ThreatHunting-Keywords
tool
Jasmin-Ransomware
rule_category
signature_keyword
String Definitions
{"name":"$string1","value":"\/Ransom\\:MSIL\\\/Jasmin\\.\/ nocase ascii wide"}
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 Jasmin_Ransomware.yar /path/to/suspicious/file # Scan a directory recursively yara -r Jasmin_Ransomware.yar /path/to/directory/ # Scan with metadata output yara -m Jasmin_Ransomware.yar target_file # Scan process memory (Linux) yara Jasmin_Ransomware.yar /proc/[pid]/exe
Integration Examples
Python (yara-python)
import yara
rules = yara.compile(filepath='Jasmin_Ransomware.yar')
matches = rules.match('/path/to/file')
ClamAV Integration
clamscan --yara-rules=Jasmin_Ransomware.yar /path/to/scan
Rule Information
YARA ID
YARA-2025-2246
Author
Repository
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
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