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CrabInHoney/
urlbert-tiny-v4-malicious-url-classifier

Name: urlbert-tiny-v4-malicious-url-classifier
Availability: InStock

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URLBERT-Tiny-v4 Malicious URL Classifier

This is a lightweight version of BERT, specifically fine-tuned for classifying URLs into four categories: benign, phishing, malware, and defacement.

Model Details

Model size: 3.69M parameters
Tensor type: F32
Model weight size: 14.8 MB
Base model: CrabInHoney/urlbert-tiny-base-v4
Dataset: Malicious URLs Dataset

Model Evaluation Results

The model was evaluated on a test set with the following classification metrics:

Metric	Model V3	Model V4 (this model)
Overall Accuracy	0.9837	0.9922
F1-score (Benign)	0.9907	0.9955
F1-score (Defacement)	0.9937	0.9984
F1-score (Malware)	0.9741	0.9845
F1-score (Phishing)	0.9444	0.9734
Weighted Average F1-score	0.9836	0.9922

Usage Example

Below is an example of how to use the model for URL classification using the Hugging Face transformers library:

python

from transformers import BertTokenizerFast, BertForSequenceClassification, pipeline
import torch

# Определение устройства (GPU или CPU)
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
print(f"Используемое устройство: {device}")

# Загрузка модели и токенизатора
model_name = "CrabInHoney/urlbert-tiny-v4-malicious-url-classifier"
tokenizer = BertTokenizerFast.from_pretrained(model_name)
model = BertForSequenceClassification.from_pretrained(model_name)
model.to(device)

# Создание pipeline для классификации
classifier = pipeline(
    "text-classification",
    model=model,
    tokenizer=tokenizer,
    device=0 if torch.cuda.is_available() else -1,
    return_all_scores=True
)

# Примеры URL для тестирования
test_urls = [
    "wikiobits.com/Obits/TonyProudfoot",
    "http://www.824555.com/app/member/SportOption.php?uid=guest&langx=gb",
]

# Маппинг меток на понятные названия классов
label_mapping = {
    "LABEL_0": "benign",
    "LABEL_1": "defacement",
    "LABEL_2": "malware",
    "LABEL_3": "phishing"
}

# Классификация URL
for url in test_urls:
    results = classifier(url)
    print(f"\nURL: {url}")
    for result in results[0]: 
        label = result['label']
        score = result['score']
        friendly_label = label_mapping.get(label, label)
        print(f"{friendly_label}, %: {score:.4f}")

Example Output:

URL: wikiobits.com/Obits/TonyProudfoot
benign, %: 0.9996
defacement, %: 0.0000
malware, %: 0.0000
phishing, %: 0.0003

URL: http://www.824555.com/app/member/SportOption.php?uid=guest&langx=gb
benign, %: 0.0000
defacement, %: 0.0001
malware, %: 0.9998
phishing, %: 0.0001