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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ÇÇ½Ì URL ºÐ·ù¸¦ À§ÇÑ ÄÁº¼·ç¼Ç-¼øȯ Æ®¸®Ç÷¿ ½Å°æ¸Á ±â¹Ý À¥ÁÖ¼Ò Æ¯Â¡°ø°£ÀÇ ÇнÀ
¿µ¹®Á¦¸ñ(English Title) Learning Disentangled Representation of Web Addresses via Convolutional-Recurrent Triplet Network for Phishing URL Classification
ÀúÀÚ(Author) ºÎ¼®ÁØ   ±èÇýÁ¤   Seok-Jun Bu   Hae-Jung Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 48 NO. 02 PP. 0147 ~ 0153 (2021. 02)
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(Korean Abstract)
Æø¹ßÀûÀ¸·Î ¼ºÀåÇÏ´Â ¼Ò¼È ¹Ìµð¾î ¼­ºñ½º µîÀ¸·Î ÀÎÇØ °³Àΰ£ÀÇ ¿¬°áÀÌ °­È­µÈ ȯ°æ¿¡¼­´Â URLÀ» ÅëÇØ ÀüÆĵǴ ÇÇ½Ì URLÀÇ ÀÚµ¿È­µÈ ºÐ·ù°¡ ÇʼöÀûÀÌ´Ù. URLÀ» ±¸¼ºÇÏ´Â ¹®ÀÚ¿Í ´Ü¾î¼öÁØÀÇ Æ¯Â¡À» ¸ðµ¨¸µÇϱâ À§ÇÑ ÄÁº¼·ç¼Ç-¼øȯ½Å°æ¸Á ±â¹ÝÀÇ ÇÇ½Ì URL ºÐ·ù¿ë µö·¯´× ¸ðÇüÀº Á¤È®µµÀÇ Ãø¸é¿¡¼­ ÃÖ°íÀÇ ¼º´ÉÀ» ´Þ¼ºÇÏ¿´À¸³ª, ÇÇ½Ì URL µ¥ÀÌÅÍÀÇ Å¬·¡½º ºÒ±ÕÇüÀ¸·Î ÀÎÇÑ »ùÇøµ ´Ü°è¿¡¼­ÀÇ ¹®Á¦¿Í Ư¡°ø°£ ±¸Ãà½ÃÀÇ ¹®Á¦°¡ ¾Ë·ÁÁ³´Ù. º» ³í¹®¿¡¼­´Â URL µµ¸ÞÀο¡¼­ÀÇ Å¬·¡½º ºÒ±ÕÇü À̽´¸¦ µö·¯´× ±â¹ÝÀÇ URL Ư¡°ø°£ »ý¼º ŽºÅ©ÀÇ Ãø¸é¿¡¼­ ÁöÀûÇÏ°í URL°£ÀÇ À¯»çµµ¸¦ Á÷Á¢ ÇнÀÇÒ ¼ö ÀÖ´Â °³¼±µÈ Æ®¸®Ç÷¿ ½Å°æ¸Á ±¸Á¶¸¦ Á¦¾ÈÇÏ¿´´Ù. Á¦¾ÈÇÏ´Â ¹æ¹ýÀº ½ÇÁ¦ À¥À¸·ÎºÎÅÍ ¼öÁýµÈ 60,000°ÇÀÇ URL µ¥ÀÌÅͼ¿¡ ´ëÇØ °ËÁõµÇ¾ú°í ÃÖ½ÅÀÇ µö·¯´× ±â¹Ý ¹æ¹ý ´ëºñ ÃÖ°íÀÇ ¼º´ÉÀ» ´Þ¼ºÇÏ¿´´Ù. °³¼±µÈ Æ®¸®Ç÷¿ ½Å°æ¸ÁÀº ½Ã°£ÇØ»óµµ º° 10°ã ±³Â÷°ËÁõÀ¸·Î Æò°¡µÇ¾ú°í, ±âÁ¸ µö·¯´× ¾Ë°í¸®Áò ´ëºñ ÀçÇöÀ² Ãø¸é 45%ÀÇ Çâ»óÀ» º¸ÀÓÀ¸·Î½á ÇÇ½Ì URL ºÐ·ù ºÐ¾ß¿¡¼­ÀÇ Ç¥ÇöÇü ÇнÀ Á¢±ÙÀÇ Å¸´ç¼ºÀ» °ËÁõÇÏ¿´´Ù.
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(English Abstract)
Automated classification of phishing URLs propagated through hyperlinks is critical in environments reinforcing personal connections due to the explosive growth of social media services. Deep learning models for the classification of phishing URLs based on convolutional-recurrent neural networks yielded the best performance in terms of accuracy by modeling the character-level and word-level features. However, the deep learning-based classifier focused on the fitting of a given task via accumulated URLs is limited due to the class imbalance of the phishing attacks that are generated and discarded immediately. We address the class imbalance issue in terms of deep learning-based URL feature space generation task. We propose a modified triplet network structure that explicitly learns the similarity between URLs based on Euclidean distance to alleviate the limitations of the existing deep phishing classifiers. Experiments investigating the real-world dataset of 60,000 URLs collected from web addresses showed the highest performance among the latest deep learning methods, despite the hostile class imbalance. We also demonstrate that the generated URL feature space from the proposed method improved recall by 45.85% compared to the existing methods.
Å°¿öµå(Keyword) ÇǽÌURL ºÐ·ù   ÄÁº¼·ç¼Ç-¼øȯ Æ®¸®Ç÷¿ ½Å°æ¸Á   ½ÉÃþ Ç¥ÇöÇüÇнÀ   »çÀ̹öº¸¾È   phishing URL classification   convolutional-recurrent triplet network   deep metric learning   cyber-security  
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