[B! Steganography] moo_sanã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

moo_san id:moo_san

Steganographyã«é–¢ã™ã‚‹moo_sanã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

SteganoAmorã®ã‚¹ãƒ†ã‚¬ãƒŽã‚°ãƒ©ãƒ•ã‚£ ï½œãƒ–ãƒã‚°(ã»ã¼ã“ã‚‚ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ‹ãƒ¥ãƒ¼ã‚¹)ï½œ(æ ª)ã‚³ãƒ³ã‚¹ãƒ†ãƒ© ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ ã‚¸ãƒ£ãƒ‘ãƒ³
ã‚¹ãƒ†ã‚¬ãƒŽã‚°ãƒ©ãƒ•ã‚£ã¯ã€ãªã‚“ã‚‰ã‹ã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚„ç‰©ä½“ã®ä¸ã«æƒ…å ±ã‚’éš ã™æ‰‹æ³•ã§ã™ã€‚ ã‚¹ãƒ†ã‚¬ãƒŽã‚°ãƒ©ãƒ•ã‚£ã‚’ä½¿ãˆã°ã€ãƒ†ã‚ã‚¹ãƒˆã€ç”»åƒã€å‹•ç”»ã€éŸ³å£°ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ãªã©ã€ã»ã¨ã‚“ã©ã®ãƒ‡ã‚¸ã‚¿ãƒ«ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã‚’éš ã™ã“ã¨ãŒã§ãã¾ã™ã€‚ éš ã•ã‚ŒãŸãƒ‡ãƒ¼ã‚¿ã¯é€ä¿¡å…ˆã§æŠ½å‡ºã•ã‚Œã¦ä½¿ç”¨ã•ã‚Œã¾ã™ã€‚ ã“ã®ã‚¹ãƒ†ã‚¬ãƒŽã‚°ãƒ©ãƒ•ã‚£ã¯æ–°ã—ã„æ‰‹æ³•ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ ã‚ã‚‹ç¨‹åº¦ã®æœŸé–“ã‚’ãŠã„ã¦å¤§ããªè©±é¡Œã«ãªã‚‹ã“ã¨ãŒã‚ã‚‹ã‚ˆã†ã«æ€ãˆã¾ã™ã€‚ ã¾ãŸã‚‚ã‚„ã€ã‚¹ãƒ†ã‚¬ãƒŽã‚°ãƒ©ãƒ•ã‚£ã‚’ä½¿ã£ãŸæ”»æ’ƒã‚ãƒ£ãƒ³ãƒšãƒ¼ãƒ³ãŒç¢ºèªã•ã‚Œã¦ã„ã¾ã™ã€‚ TA558 ã“ã®æ”»æ’ƒã‚ãƒ£ãƒ³ãƒšãƒ¼ãƒ³ã¯ã€TA558ãŒå±•é–‹ã—ã¦ã„ã‚‹ã‚‚ã®ã¨è€ƒãˆã‚‰ã‚Œã¦ã„ã¾ã™ã€‚ ã‚¿ãƒ¼ã‚²ãƒƒãƒˆ è¦³æ¸¬æ•°ã‹ã‚‰è€ƒãˆã‚‹ã¨ãƒ©ãƒ†ãƒ³ã‚¢ãƒ¡ãƒªã‚«ãŒé‡ç‚¹åœ°åŸŸã«ãªã£ã¦ã„ã‚‹ã‚ˆã†ã«è¦‹ãˆã€ä»–ã®ä¸–ç•Œä¸ã®ã•ã¾ã–ã¾ãªå›½ã‚‚ã‚¿ãƒ¼ã‚²ãƒƒãƒˆã«ã—ã¦ã„ã¾ã™ã€‚ æ”»æ’ƒã®æ•°ã¯300ä»¥ä¸ŠãŒç¢ºèªã•ã‚Œã¦ã„ã¾ã™ã€‚ SteganoAmor æ”»æ’ƒã«ã¯ã‚¹ãƒ†ã‚¬ãƒŽã‚°ãƒ©ãƒ•ã‚£ã®æŠ€æ³•ãŒä½¿ç”¨ã•ã‚Œã¦ã„ã¾ã™ã€‚ ãã—ã¦ã€æ”»æ’ƒã®ãªã‹ã§ã„ãã¤ã‚‚ã®RT
moo_san 2024/05/10
Security Threat

Malware

Attack Method

Steganography
ãƒªãƒ³ã‚¯
ã‚ãƒ¤ãƒŽãƒ³ãƒ»ãƒ‹ã‚³ãƒ³ãƒ»ã‚½ãƒ‹ãƒ¼ãŒå†™çœŸã«ãƒ‡ã‚¸ã‚¿ãƒ«ç½²åã‚’åŸ‹ã‚è¾¼ã‚€ã‚«ãƒ¡ãƒ©æŠ€è¡“ã‚’é–‹ç™ºä¸ã€AIãŒç”Ÿæˆã—ãŸç²¾å·§ãªå½ç‰©ã¨å†™çœŸã‚’åŒºåˆ¥ã™ã‚‹ã®ã«å½¹ç«‹ã¤å¯èƒ½æ€§ã‚ã‚Š
AI æŠ€è¡“ã®ç™ºå±•ã«ã‚ˆã£ã¦ã€å®Ÿå†™ã¨è¦‹åˆ†ã‘ãŒä»˜ã‹ãªã„ç²¾å·§ãªç”»åƒã‚’ä½œæˆã§ãã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚ã—ã‹ã—ã€ç”»åƒç”ŸæˆAIã§ä½œæˆã—ãŸç²¾å·§ãªç”»åƒã¯å½æƒ…å ±ã®æ‹¡æ•£ã«ç”¨ã„ã‚‰ã‚Œã‚‹å¯èƒ½æ€§ãŒã‚ã‚‹ãŸã‚ã€ç”»åƒç”ŸæˆAIã«ã‚ˆã£ã¦ç”Ÿæˆã—ãŸç”»åƒã¨ã‚«ãƒ¡ãƒ©ã§æ’®å½±ã—ãŸæœ¬ç‰©ã®å†™çœŸã‚’æ£ç¢ºã«è¦‹åˆ†ã‘ã‚‹æŠ€è¡“ã®é–‹ç™ºãŒæ±‚ã‚ã‚‰ã‚Œã¦ã„ã¾ã™ã€‚æ–°ãŸã«ã€ã‚ãƒ¤ãƒŽãƒ³ãƒ»ãƒ‹ã‚³ãƒ³ãƒ»ã‚½ãƒ‹ãƒ¼ã¨ã„ã£ãŸã‚«ãƒ¡ãƒ©ãƒ¡ãƒ¼ã‚«ãƒ¼ãŒå†™çœŸã«ã€Œå®Ÿå†™ã§ã‚ã‚‹ã“ã¨ã‚’è¨¼æ˜Žã™ã‚‹ãƒ‡ã‚¸ã‚¿ãƒ«ç½²åã€ã‚’åŸ‹ã‚è¾¼ã‚€æŠ€è¡“ã‚’é–‹ç™ºã—ã¦ã„ã‚‹ã“ã¨ãŒå ±ã˜ã‚‰ã‚Œã¦ã„ã¾ã™ã€‚ ãƒ‹ã‚³ãƒ³ã‚„ã‚½ãƒ‹ãƒ¼ã€ã€ŒAIå½ç”»åƒã€é˜²ãã‚«ãƒ¡ãƒ©ã€€é›»åç½²åã§ - æ—¥æœ¬çµŒæ¸ˆæ–°èž https://www.nikkei.com/article/DGXZQOUC21C520R21C23A2000000/ Nikon, Sony and Canon fight AI fakes with new camera tech - Nikkei Asia https://asia.ni
moo_san 2024/01/08
Image Processing

Steganography

Fact-Checking
ãƒªãƒ³ã‚¯
æ—¥æœ¬ã®ãƒ¦ãƒ¼ã‚¶ã‚’ç‹™ã†ã‚¹ãƒ‘ãƒ ãƒ¡ãƒ¼ãƒ«é€ä¿¡æ´»å‹•ã‚’ç¢ºèªã€ã‚¹ãƒ†ã‚¬ãƒŽã‚°ãƒ©ãƒ•ã‚£ã‚’åˆ©ç”¨ã—ã€ŒBEBLOHã€ã‚’æ‹¡æ•£
ã‚ªãƒ³ãƒ—ãƒ¬ãƒŸã‚¹ã‹ã‚‰ã‚¯ãƒ©ã‚¦ãƒ‰ã¸ã®ç§»è¡Œã‚’ã¯ã˜ã‚ã€ãƒã‚¤ãƒ–ãƒªãƒƒãƒ‰ã‚¯ãƒ©ã‚¦ãƒ‰ç’°å¢ƒã‚’ã‚·ãƒ¼ãƒ ãƒ¬ã‚¹ã«ä¿è·ã—ãªãŒã‚‰ã€ã‚¯ãƒ©ã‚¦ãƒ‰ã®åˆ©ç‚¹ã‚’å®Ÿç¾ã—ã¾ã™ã€‚ è©³ã—ãã¯ã“ã¡ã‚‰
moo_san 2023/02/17
Security Threat

Malware

Attack Method

Steganography

Detailed Explanation
ãƒªãƒ³ã‚¯
ã‚¹ãƒ†ã‚¬ãƒŽã‚°ãƒ©ãƒ•ã‚£ãƒ¼ï¼ˆsteganographyï¼‰ | ã‚»ã‚³ãƒ ãƒˆãƒ©ã‚¹ãƒˆã‚·ã‚¹ãƒ†ãƒ ã‚ºã®BCPï¼ˆäº‹æ¥ç¶™ç¶šè¨ˆç”»ï¼‰ç”¨èªžè¾žå…¸
moo_san 2019/12/10
Steganography
ãƒªãƒ³ã‚¯
ã‚¹ãƒ†ã‚¬ãƒŽã‚°ãƒ©ãƒ•ã‚£ã®ã‚„ã‚Šæ–¹ã€‚Mr. Robotã§ã‚¨ãƒªã‚ªãƒƒãƒˆãŒãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã‚ªãƒ¼ãƒ‡ã‚£ã‚ªã«éš ã™æ–¹æ³•ã€‚ - å¿™ã—ã„äººã®ãŸã‚ã®ã‚µã‚¤ãƒãƒ¼ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ‹ãƒ¥ãƒ¼ã‚¹
Mr. Robotã®ä¸»äººå…¬ãƒ»ã‚¨ãƒªã‚ªãƒƒãƒˆã¯èº«ã®å›žã‚Šã®äººã€…ã«é–¢ã™ã‚‹æƒ…å ±ã‚’ã€ã„ã‹ãªã‚‹æ‰‹æ®µã‚’ä½¿ã£ã¦ã§ã‚‚èª¿ã¹ã‚ã’ã‚‹ã€‚ ãã—ã¦ã€å½¼ã¯è¦‹ã¤ã‘ãŸæƒ…å ±ã‚’å½¼è‡ªèº«â€å¢“å ´â€ã¨å‘¼ã‚“ã§ã„ã‚‹CDã«ä¿å˜ã™ã‚‹ã€‚ ã€Œä¸€ä½“ãªãœã€å½¼ã¯ã“ã®ã‚ˆã†ãªå¤å…¸çš„ãªæ–¹æ³•ã§ãƒ‡ãƒ¼ã‚¿ã‚’ä¿å˜ã™ã‚‹ã®ã ã‚ã†ã‹ã€‚ã€ ã€Œä¸‡ãŒä¸€CDãŒç›—ã¾ã‚ŒãŸã‚‰ã€å•é¡Œã«ã¯ãªã‚‰ãªã„ã®ã ã‚ã†ã‹ã€‚ã€ ãƒ»ãƒ»ãƒ»ã‚¨ãƒªã‚ªãƒƒãƒˆãŒä½•ã‚’æ„å›³ã—ã¦ã„ã‚‹ã®ã‹çŸ¥ã‚‰ãªã„ã‚ãªãŸã¯ã€ãã†ã—ãŸç–‘å•ãŒé ã«æµ®ã‹ã‚“ã ã®ã§ã¯ãªã„ã ã‚ã†ã‹ã€‚ å®Ÿã¯ã€Eliotã¯CDã«ä¿å˜ã•ã‚Œã¦ã„ã‚‹éŸ³æ¥½ãƒ‡ãƒ¼ã‚¿ã«æš—å·åŒ–ã•ã‚ŒãŸå€‹äººæƒ…å ±ã‚’éš ã—ã¦ã„ã‚‹ã®ã ã€‚ å€‹äººæƒ…å ±ã‚’é–²è¦§ã™ã‚‹éš›ã«ã¯ã€ç‹¬è‡ªã®æš—å·éµã‚’ä½¿ã£ã¦æƒ…å ±ã‚’å¾©å·åŒ–ã™ã‚‹å¿…è¦ãŒã‚ã‚‹ã€‚ ã—ãŸãŒã£ã¦ç¬¬ä¸‰è€…ãŒCDã‚’è¦‹ã¤ã‘ã¦ã‚‚éŸ³å£°ãƒ‡ãƒ¼ã‚¿ã‚’å†ç”Ÿã™ã‚‹ã®ã¿ã§ã€éš ã‚ŒãŸæƒ…å ±ã‚’ç™ºè¦‹ã™ã‚‹ã“ã¨ã¯å‡ºæ¥ãªã„ã®ã ã€‚ ã‚¨ãƒªã‚ªãƒƒãƒˆã®å‹äººã‚„çŸ¥äººã«é–¢ã™ã‚‹ãƒ‡ãƒ¼ã‚¿ã¯ã€æ³•åŸ·è¡Œæ©Ÿé–¢ã®è©®ç´¢ã®ç›®ã‚’é€ƒã‚Œã‚‹å¯èƒ½æ€§ãŒé«˜ã„ã€‚ ã‚¨ãƒªã‚ªãƒƒãƒˆãŒã‚„ã£ã¦ã„ã‚‹ã®ã¯ã€ã‚¹ãƒ†ã‚¬
moo_san 2019/02/12
Steganography
ãƒªãƒ³ã‚¯
Python ç”»åƒã«æ–‡å—ãƒ‡ãƒ¼ã‚¿ã‚’éš è”½ã™ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’å…¬é–‹ - Qiita
# ç”»åƒã«ãƒ†ã‚ã‚¹ãƒˆã‚’åŸ‹ã‚è¾¼ã¿ >>>steganography -e /tmp/image/a.jpg /tmp/image/b.jpg 'The quick brown fox jumps over the lazy dog.' # ç”»åƒã«éš è”½ã•ã‚ŒãŸãƒ†ã‚ã‚¹ãƒˆã‚’èªã¿è¾¼ã¿ >>>steganography -d /tmp/image/b.jpg The quick brown fox jumps over the lazy dog. 1. å‹•ä½œæ¦‚è¦ - ãƒ†ã‚ã‚¹ãƒˆåŸ‹ã‚è¾¼ã¿ 1-1. normalize ç”»åƒã®å…¨ãƒ”ã‚¯ã‚»ãƒ«ã‚’ã‚¹ã‚ãƒ£ãƒ³ã—ã¦ã€RGBãã‚Œãžã‚Œã®å€¤ã‚’8ã§å‰²ã£ãŸã¨ãä½™ãŒ1ã¨ãªã‚‹ãƒ”ã‚¯ã‚»ãƒ«ã‚’é¸æŠžã™ã‚‹ã€‚é¸æŠžã—ãŸãƒ”ã‚¯ã‚»ãƒ«ã®è‰²ã‚’å¤‰æ›´ã—ã¦ä½™ãŒ1ã¨ãªã‚‰ãªã„ã‚ˆã†ã«è‰²ã‚’å¤‰æ›´ã™ã‚‹ã€‚ â– normalizeå‡¦ç†ã§è‰²ã‚’å¤‰æ›´ã—ãŸãƒ”ã‚¯ã‚»ãƒ« 1-2. ãƒ†ã‚ã‚¹ãƒˆéš è”½ ãƒ†ã‚ã‚¹ãƒˆã‚’16é€²æ•°ã«å¤‰æ›ã™ã‚‹ã€‚ç”»åƒã‚’16ãƒ”ã‚¯ã‚»ãƒ«æ¯Žã«åˆ†å‰²
moo_san 2019/02/11
Python

Programming

Steganography
ãƒªãƒ³ã‚¯
1