[B! CTF] pmakinoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

pmakino id:pmakino

CTFã«é–¢ã™ã‚‹pmakinoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (25)

${{author_name}}$

{{{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}}

ä¸–ç•Œã®åé–€å¤§å¦ã®å¦ç”ŸãŒã‚µã‚¤ãƒãƒ¼æŠ€è¡“ç«¶ã†å›½éš›å¤§ä¼š æ¨ªæµœ | NHK
ãƒã‚·ã‚¢ã®ã‚¦ã‚¯ãƒ©ã‚¤ãƒŠã¸ã®ä¾µæ”»ãªã©ã‚’ãã£ã‹ã‘ã«ã€ä¸–ç•Œå„åœ°ã§ã‚µã‚¤ãƒãƒ¼ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ¼ã®ãƒªã‚¹ã‚¯ãŒé«˜ã¾ã‚‹ä¸ã€ä¸–ç•Œã®åé–€å¤§å¦ã§ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ¼ã‚’å¦ã¶å¦ç”ŸãŒä¸€å ‚ã«ä¼šã—ã¦ã€ã‚µã‚¤ãƒãƒ¼æŠ€è¡“ã‚’ç«¶ã†å›½éš›å¤§ä¼šãŒæ¨ªæµœå¸‚ã®å¤§å¦ã§é–‹ã‹ã‚Œè‹¥è€…ãŸã¡ãŒãƒãƒƒã‚«ãƒ¼ã®ç‰¹å®šãªã©ã€ã•ã¾ã–ã¾ãªèª²é¡Œã«å–ã‚Šçµ„ã‚“ã§ã„ã¾ã™ã€‚ æ¨ªæµœå¸‚ã®æ…¶å¿œå¤§å¦ã§1æ—¥ã‹ã‚‰å§‹ã¾ã£ãŸå¤§ä¼šã«ã¯ã€å›½å†…å¤–30ã®å¤§å¦ã‹ã‚‰ãŠã‚ˆã80äººã®å¦ç”ŸãŒå‚åŠ ã—ã¦ã„ã¾ã™ã€‚ ç«¶æŠ€ã¯ã€å›½å¢ƒã®ãªã„ã‚µã‚¤ãƒãƒ¼ç©ºé–“ã§ã®èª¿æŸ»ã‚’å”åŠ›ã—ã¦è¡Œã†ãŸã‚ã€ç•°ãªã‚‹å›½ã‚„å¤§å¦ã®å¦ç”Ÿã§ãƒãƒ¼ãƒ ã‚’ä½œã‚Šã€10æ™‚é–“ã§25ã®èª²é¡Œã«æŒ‘æˆ¦ã—ã€å¾—ç‚¹ã‚’ç«¶ã„ã¾ã™ã€‚ èª²é¡Œã¯ã€ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ¼ã‚¦ã‚¤ãƒ«ã‚¹ã«é–¢ã™ã‚‹æƒ…å ±ã‚’æ‰‹ãŒã‹ã‚Šã«å›½å®¶ã®é–¢ä¸ŽãŒç–‘ã‚ã‚Œã‚‹ãƒãƒƒã‚«ãƒ¼é›†å›£ã‚’ç‰¹å®šã™ã‚‹ã‚‚ã®ã‚„ã€æ•°æžšã®é¢¨æ™¯ãŒå†™ã£ãŸç”»åƒã‚’åˆ†æžã—ã¦ã€ã©ã®éƒ½å¸‚ã§æ’®å½±ã•ã‚ŒãŸã®ã‹ã‚’å…¬é–‹æƒ…å ±ã‚’ä½¿ã£ã¦è¦‹ã¤ã‘å‡ºã™ã€Œã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚¤ãƒ³ãƒ†ãƒªã‚¸ã‚§ãƒ³ã‚¹ã€ã¨å‘¼ã°ã‚Œã‚‹èª¿æŸ»ã‚¹ã‚ãƒ«ã‚’ç«¶ã†ã‚‚ã®ãªã©ãŒã‚ã‚Šã¾ã™ã€‚ ä¸ã«ã¯ã€ç”ŸæˆAIã‚’
pmakino 2023/08/05
ã“ã‚Œã¯ä½•CTFãªã®ã‹ã€‚åå‰ã‚’å‡ºã—ã¦ã¯ãªã‚‰ãªã„ã®ã‹ã€åå‰ãŒãªã„ã®ã‹ã€‚

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£

CTF
ãƒªãƒ³ã‚¯
Beginners CTF 2020ã§å¦ã¶Webã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£(å…¥é–€ç·¨)
2020/10/18 @ SECCON Beginners Live
pmakino 2021/02/24
ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£

CTF

ãƒ—ãƒ¬ã‚¼ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³

è³‡æ–™
ãƒªãƒ³ã‚¯
SECCON 2020 CTF writeup
SECCON CTF Online CTF çµæžœã¯ This is RSA, koharu, urara, Beginner's Capsule, SCSBX:Reversing ã®5å•ã‚’è§£ã„ã¦884 pts. 39ä½ã§ã—ãŸã€‚ ã©ã®å•é¡Œã‚‚3æ™‚é–“ä»¥ä¸Šã¯é ã‚’æŠ±ãˆã‚‹ç®‡æ‰€ãŒã‚ã‚Šã€warm upã‹ã‚‰ã™ã¹ã¦ã®å•é¡Œã‚„ã‚Šã”ãŸãˆãŸã£ã·ã‚Šã§ã—ãŸã€‚ ãŠè…¹ã„ã£ã±ã„ã§ã™ã€‚ ã©ã®å•é¡Œã‚‚è§£ã„ã¦ã„ã¦æ¥½ã—ã„å•é¡Œã§ã€ãã£ã¨è£ã«ã¯ãŸãã•ã‚“ã®å•é¡ŒãŒãƒœãƒ„ã«ãªã£ã¦ã„ã¦ã€ãŸãã•ã‚“ã«äººãŒé ‘å¼µã£ã¦ãƒ¬ãƒ“ãƒ¥ãƒ¼ã—ãŸã‚“ã ãªã¨ã„ã†æ„Ÿã˜ãŒä¼ã‚ã£ã¦ãã¾ã—ãŸã€‚ æœ¬å½“ã«é‹å–¶é™£ã®æ–¹ã€æ¥½ã—ã„å•é¡Œã‚’ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸï¼ ã“ã®ãƒ–ãƒã‚°ã§ã¯å‹•ç”»ã§ã¯è¦‹ã«ãã„ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã¨ã€å‹•ç”»ã§è¨€ã„æããŸè§£èª¬ã‚’å°‘ã—ä»˜ã‘åŠ ãˆã¾ã™ã€‚ åŸºæœ¬çš„ã«ã¯ã“ã¡ã‚‰ã®å‹•ç”»ã‚’è¦‹ã¦ã„ãŸã ã‘ãŸã‚‰è‰¯ã„ã‹ãªã¨æ€ã„ã¾ã™( Sorry Japanese only. :sob: :sob: ) This is RSA
pmakino 2020/11/29
CTF

å‹•ç”»
ãƒªãƒ³ã‚¯
ãƒ¡ãƒ¼ãƒ«ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’ãƒãƒƒã‚·ãƒ¥åŒ–ã—ãŸã‚‚ã®ã‚’å…¬é–‹ã—ã¦ã‚‚ã‚ˆã„ã®ã‹ - ã—ã¾ãŸã‚ã•ã‚“ã®æŽƒãæºœã‚
æ³¨æ„ ã“ã®è¨˜äº‹ã¯æ”»æ’ƒã®å®Ÿè¡Œã‚’æ•™å”†ã™ã‚‹ç›®çš„ã§æ›¸ã‹ã‚ŒãŸã‚‚ã®ã§ã¯ãªãã€ç‰¹å®šã®çŠ¶æ³ã«ãŠã‘ã‚‹ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ä¸Šã®å•é¡Œç‚¹ã‚’æŒ‡æ‘˜ã™ã‚‹ãŸã‚ã«å…¬é–‹ã—ã¦ã„ã‚‹ã‚‚ã®ã§ã™ã€‚ã“ã®è¨˜äº‹ã«æ›¸ã‹ã‚ŒãŸå†…å®¹ã‚’å®Ÿè¡Œã—ã¦ç™ºç”Ÿã—ãŸçµæžœã«ã¤ã„ã¦ã€ç†è€…ã¯ä¸€åˆ‡ã®è²¬ä»»ã‚’è² ã„ã¾ã›ã‚“ã€‚ ã¯ã˜ã‚ã« ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆä¸Šã§ä»–äººã®ãƒ¡ãƒ¼ãƒ«ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’md5ã§äºŒé‡ãƒãƒƒã‚·ãƒ¥ã—ãŸã‚‚ã®ã‚’å…¬é–‹ã•ã‚Œã¦ã„ã‚‹æ–¹ã‚’è¦‹ã‹ã‘ãŸãŸã‚ã€è§£æžã™ã‚‹å®Ÿé¨“ã‚’è¡Œã„ã¾ã—ãŸã€‚ ãƒ¡ãƒ¼ãƒ«ã‚¢ãƒ‰ãƒ¬ã‚¹ã®ãƒ¦ãƒ¼ã‚¶ãƒ¼åéƒ¨åˆ†ã¯å¤šãã®å ´åˆå°æ–‡å—ã®ã‚¢ãƒ«ãƒ•ã‚¡ãƒ™ãƒƒãƒˆã¨æ•°å—ã®ã¿ï¼ˆ36æ–‡å—ï¼‰ã®ãã‚Œã»ã©é•·ããªã„åˆ—ã§æ§‹æˆã•ã‚Œã¦ãŠã‚Šã€ãƒ–ãƒ«ãƒ¼ãƒˆãƒ•ã‚©ãƒ¼ã‚¹æ”»æ’ƒï¼ˆç·å½“ã‚Šæ”»æ’ƒï¼‰ã«ã‚ˆã£ã¦ç°¡å˜ã«ç‰¹å®šã§ãã¦ã—ã¾ã†ã¨è€ƒãˆã‚‰ã‚Œã¾ã™ã€‚ ã¾ãŸãƒ‰ãƒ¡ã‚¤ãƒ³éƒ¨åˆ†ã«é–¢ã—ã¦ã‚‚ã€ä¸€èˆ¬ã®æ–¹ãŒä½¿ã†ãƒ¡ãƒ¼ãƒ«ãƒ—ãƒãƒã‚¤ãƒ€ãŒé™ã‚‰ã‚Œã¦ã„ã‚‹ã“ã¨ã‚’è€ƒæ…®ã™ã‚‹ã¨ã€ã‚µã‚¤ã‚ºã®å°ã•ã„è¾žæ›¸ã§ã‚‚ååˆ†ãªç¢ºçŽ‡ã§å½“ãŸã‚‹ã‚‚ã®ã¨è€ƒãˆã‚‰ã‚Œã¾ã™ã€‚ å®Ÿé¨“ ä»Šå›žã¯hashcatã¨ã„ã†ã€GPUã§ãƒãƒƒã‚·ãƒ¥å€¤ã‚’è§£èªã™ã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢
pmakino 2020/06/08
ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£

CTF

æ‰ã‚äº‹

Mail
ãƒªãƒ³ã‚¯
#SECCON 2019 Online ã€ŒTanukiã€ã€ŒCrazy Repetition of Codesã€ã€Œfileserverã€ã€ŒSPAã€ã®è§£èª¬ã¨è¬›è©•ã®ã‚ˆã†ãªã‚‚ã® - åšå¤šé›»å…‰
æœ¬æ—¥é–‹å‚¬ã•ã‚ŒãŸ SECCON 2019 Online CTF ã®äºˆé¸ã§ã¯ã€å‰å›žå„ªå‹ãƒãƒ¼ãƒ ã§ã‚ã‚‹ãƒãƒ¼ãƒ TSGãŒä½œå•å”åŠ›ã‚’è¡Œã„ã¾ã—ãŸã€‚åšå¤šå¸‚ã¯ãƒãƒ¼ãƒ TSGã®ä¸€å“¡ã¨ã—ã¦ã€ŒTanukiã€ã€ŒCrazy Repetition of Codesã€ã€Œfileserverã€ã€ŒSPAã€ã®4å•ã‚’æä¾›ã—ãŸã®ã§ç°¡å˜ãªè§£èª¬ã¨è¬›è©•ã‚’è¡Œã„ãŸã„ã¨æ€ã„ã¾ã™ã€‚ â€»For international readers: English version will be published sooner or later. Tanuki (misc, 439pts) Behold! We invented the brand-new, super-difficult, hyper-cryptic, and ultra-undecipherable cryptosystem for this SECCON CTF 2019! And w
pmakino 2020/05/06
CTF
ãƒªãƒ³ã‚¯
gdbã®ä½¿ã„æ–¹ã®ãƒ¡ãƒ¢ - ã‚‚ã‚‚ã„ã‚ãƒ†ã‚¯ãƒŽãƒã‚¸ãƒ¼
ã‚ˆãä½¿ã„ãã†ãªã‚‚ã®ã®è¦šæ›¸ã€‚ å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ã‚’æŒ‡å®šã—ã¦èµ·å‹•ã™ã‚‹ $ gdb a.out æ¬¡ã®ã‚ˆã†ã«ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’æŒ‡å®šã™ã‚‹ã¨ã€ ãƒ©ã‚¤ã‚»ãƒ³ã‚¹è¡¨ç¤ºã‚’å‡ºã•ãªã„ ã‚¢ã‚»ãƒ³ãƒ–ãƒªã‚³ãƒ¼ãƒ‰ã‚’Intelå½¢å¼ã§è¡¨ç¤ºã™ã‚‹ åœæ¢ã™ã‚‹ãŸã³ã«ç›´å¾Œã®å‘½ä»¤ã‚’è¡¨ç¤ºã™ã‚‹ ã‚ˆã†ã«ã§ãã‚‹ã€‚ $ gdb -q -ex 'set disassem bly-flavor intel' -ex 'disp/i $pc' a.out èµ·å‹•ä¸ã®ãƒ—ãƒã‚»ã‚¹ã«ã‚¢ã‚¿ãƒƒãƒã™ã‚‹ $ gdb -p [PID] ãƒ˜ãƒ«ãƒ—ã€ã‚³ãƒžãƒ³ãƒ‰æ¤œç´¢ (gdb) help break (gdb) apropos breakpoint å®Ÿè¡Œã™ã‚‹ mainé–¢æ•°ã§æ¢ã‚ã‚‹å ´åˆã€‚å¼•æ•°ã«ã¯ã‚·ã‚§ãƒ«ã®æ§‹æ–‡ãŒãã®ã¾ã¾ä½¿ãˆã‚‹ã€‚ (gdb) start AAAA mainé–¢æ•°ã§æ¢ã‚ãªã„å ´åˆã€‚ (gdb) run AAAA (gdb) r AAAA å¼•æ•°ã‚’åˆ¥é€”ã‚»ãƒƒãƒˆã™ã‚‹ã“ã¨ã‚‚ã§ãã‚‹ã€‚ (gdb) set ar
pmakino 2019/11/04
CTF
ãƒªãƒ³ã‚¯
SECCON Beginners CTF 2019 Writeup - Qiita
SECCON Beginners CTF 2019 ãŒ 2019/05/25ï½ž2019/05/26 ã®24æ™‚é–“ã§é–‹å‚¬ã•ã‚Œã¾ã—ãŸã€‚ ä»Šå›žã‚‚ 1gy ã¨ã—ã¦å€‹äººå‚åŠ ã—ã¦ã€å…¨ä½“5ä½ã®å€‹äºº3ä½ã¨ã„ã†çµæžœã§ã—ãŸã€‚ SECCON Beginners ã¯ã€å„é–‹å‚¬ã§æ‡‡è¦ªä¼šã‚’å®Ÿæ–½ã—ã¦ã„ã¾ã™ã€‚ãã“ã§ã¯ SECCON ã‚’å§‹ã‚ã¨ã™ã‚‹å›½å†…é–‹å‚¬ã® CTF ã‚„å›½å¤–é–‹å‚¬ã®ã‚‚ã®ã«å‚åŠ ã—ã¦ã€Œå°‘ã—ãƒãƒ¼ãƒ‰ãƒ«ãŒé«˜ã„ã‹ã‚‚ã€ã¨æ„Ÿã˜ã¦ã„ã‚‹ã€ã¨ã„ã†å£°ãŒã—ã°ã—ã°èžã“ãˆã¦ãã¾ã—ãŸã€‚ ãã“ã§ä»Šå›žã¯ã€Œåˆã‚ã¦ CTF ã«å‚åŠ ã•ã‚Œã‚‹æ–¹ã€ã‚„ã€ã€Œä»– CTF ã«å‚åŠ çµŒé¨“ã¯ã‚ã‚Œã©ãƒãƒ¼ãƒ‰ãƒ«ã®é«˜ã•ã‚’æ„Ÿã˜ã¦ã„ã‚‹æ–¹ã€ã‚’ä¸»ãªå¯¾è±¡ã¨ã—ãŸ CTF ã‚’é–‹å‚¬ã™ã‚‹é‹ã³ã¨ãªã‚Šã¾ã—ãŸã€‚ ã¨ã„ã†ã‚³ãƒ³ã‚»ãƒ—ãƒˆã®CTFãªã®ã«ã€å…¨ãåˆå¿ƒè€…å‘ã‘ã¨ã¯æ€ãˆãªã„å•é¡ŒãŒå¤šãã¦é©šãã¾ã—ãŸã€‚ æƒ³å®šã—ã¦ã„ã‚‹åˆå¿ƒè€…åƒã«ã‚ºãƒ¬ãŒã‚ã‚‹ã‚“ã˜ã‚ƒãªã„ã‹ãªã¨æ€ã„ã¾ã™ã€‚ å€‹äººçš„ã«ã¯ ä»¤å’ŒCTF (Writeup) ãã‚‰ã„ã®é›£
pmakino 2019/11/04
CTF
ãƒªãƒ³ã‚¯
InterKosenCTF2019 é–‹å‚¬è¨˜ - ãµã‚‹ã¤ã
åˆç´šã€œä¸ç´šè€…å‘ã‘ã®CTFã€ InterKosenCTFã‚’é–‹å‚¬ã—ãŸã®ã§è‰²ã€…ã¾ã¨ã‚ã¦ãŠãã¾ã™ã€‚ æ„Ÿæƒ³ CTFé–‹å‚¬ã™ã‚‹ã®ã—ã‚“ã©ã„ã‘ã©æ¥½ã—ã„ã§ã™ã€‚ã‚¹ã‚³ã‚¢ã‚µãƒ¼ãƒãŒ50Xã‚’è¿”ã—ãŸã¨ãã¯æœ€æ‚ªã§ã™ãŒã€‚ æ¦‚è¦ ãƒãƒ¼ãƒ insecure( @theoldmoon0602 , @ptr-yudai, @yoshikingï¼‰ã¨ã—ã¦ã€ 2019-08-11 10:00:00 ã€œ 2019-08-12 22:00:00 (JST) ã§ InterKosenCTF ã¨éŠ˜æ‰“ã£ãŸCTFã‚’ä¸»å‚¬ã—ã¾ã—ãŸã€‚ç‰¹ã«å‚åŠ è³‡æ ¼ã‚„ãƒãƒ¼ãƒ ã‚µã‚¤ã‚ºã«åˆ¶é™ã¯è¨ã‘ã¾ã›ã‚“ã§ã—ãŸãŒã€æ—¥æœ¬ã®åˆç´šã€œä¸ç´šè€…å‘ã‘ã®CTFã®ã¤ã‚‚ã‚Šã§é–‹å‚¬ã—ã¦ã„ã¾ã—ãŸã€‚ ä»Šå›žã¯é«˜å°‚ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã‚³ãƒ³ãƒ†ã‚¹ãƒˆï¼ˆãŒä»Šå¹´ã‚‚ã‚ã‚‹ã¨ã—ã¦ï¼‰ã®ãŸã‚ã®äºˆç¿’ã¨ã‹ãƒ¢ãƒãƒ™ãƒ¼ã‚·ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ã‚’ãã‚‚ãã‚‚ã®ç›®çš„ã¨ã—ã¦ã„ãŸã®ã§ã™ãŒã€ãªã‹ãªã‹é«˜å°‚ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã‚³ãƒ³ãƒ†ã‚¹ãƒˆã®æ—¥ç¨‹ãŒå‡ºãªã‹ã£ãŸï¼ˆã¨ã„ã†ã‹ã‚ã‚‹ã‹ã©ã†ã‹ã•ãˆã‚ã‹ã‚‰ãªã‹ã£
pmakino 2019/08/15
CTF

ã‚·ã‚¹ãƒ†ãƒ é‹ç”¨
ãƒªãƒ³ã‚¯
ksnctf
You are accessing this page via HTTP. We recommend you using HTTPS: https://ksnctf.sweetduet.info/ ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã«é–¢ã™ã‚‹å•é¡Œã‚’å‡ºé¡Œã—ã¾ã™ã€‚ å„å•é¡Œã‹ã‚‰FLAG_123456xyzã¨ã„ã†å½¢å¼ã®ç”ãˆï¼ˆflagï¼‰ã‚’æŽ¢ã—ã¦ãã ã•ã„ã€‚ Twitterã§ãƒã‚°ã‚¤ãƒ³ã™ã‚‹ã¨ã€ãƒ©ãƒ³ã‚ãƒ³ã‚°ã«å‚åŠ ã§ãã¾ã™ã€‚ ctfq.u1tramarine.blue ä»¥å¤–ã¸ã®æ”»æ’ƒã¯ã—ãªã„ã§ãã ã•ã„ã€‚ Attacks are only allowed to ctfq.u1tramarine.blue. Tweet
pmakino 2019/08/12
CTF

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£
ãƒªãƒ³ã‚¯
DEF CON CTF Qualifier 2019 - redacted-puzzle - Klaus' Log
pmakino 2019/05/14
CTF
ãƒªãƒ³ã‚¯
SECCON ä»¤å’ŒCTF writeup - yuta1024's diary
SECCON ä»¤å’ŒCTF writeup å€‹äººå‚åŠ é™å®šãªã®ã§å€‹äººã§ï¼Ž510 pts ã§12ä½ã§ã—ãŸï¼Ž ãƒ•ãƒ©ã‚°ä¾‹ã¯ï¼Ÿ warmup ã§å…¥ã‚Œã‚‹ã ã‘ï¼Ž SECCON{reiwa} bREInWAck brainf*ck ãªã®ã¯æ˜Žã‚‰ã‹ï¼Ž ãã‚Œãžã‚Œã®æ–‡å—ã‚’ã©ã‚Œã«ç½®ãæ›ãˆã‚‹ã‹ã‚’å…¨é€šã‚Šè©¦ã™?ã¨è€ƒãˆã‚‹ã‚‚ï¼Œæ–‡å—é »åº¦ã‹ã‚‰æŽ¨æ¸¬ã§ããã†ï¼Ž ã¾ãš ã€‚ ã¯ . ã ã‚ã†ï¼Žå‡ºåŠ›çš„ã«ãƒ©ã‚¹ãƒˆã ã—ï¼Žã‚ã¨ã€Œ ã¯ [ ã§ ã€ ã¯ ] ã£ã½ã„ï¼Œå½¢çš„ã«ã‚‚ï¼Ž ã‚ã¨ã¯ ä»¤ å’Œ å¹³ æˆ ã ã‘ã© ä»¤ ã¯é–‹å¹•ç¾ã‚Œã¦ã‚‹ã®ã§ > ã£ã½ã„ã—ï¼Œ å’Œ ã¯ãã®ã‚ã¨é€£ç¶šã—ã¦ã‚‹ã®ã§ + ã£ã½ã„ï¼Ž ã“ã®æ³•å‰‡ã§ã„ãã¨ å¹³ ã¯ < ã ã— æˆ ã¯ - ã ã¨ã‚¨ã‚¹ãƒ‘ãƒ¼ã—ã¦ç½®æ›ã—ã¦é©å½“ãªã‚¤ãƒ³ã‚¿ãƒ—ãƒªãƒ³ã‚¿ã¸ Go. >++++++++++++++++[>+ ++++>++++>+++++++>++ ++++>++<<<<<-]>+++.> +++++.--..<----.-.>
pmakino 2019/05/01
CTF
ãƒªãƒ³ã‚¯
SECCON ä»¤å’ŒCTF Writeup - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article?
pmakino 2019/05/01
CTF
ãƒªãƒ³ã‚¯
NSAãŒãƒªãƒãƒ¼ã‚¹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°ãƒ„ãƒ¼ãƒ«ã€ŒGhidraã€ã‚’å…¬é–‹
å°åˆ·ã™ã‚‹ ãƒ¡ãƒ¼ãƒ«ã§é€ã‚‹ ãƒ†ã‚ã‚¹ãƒˆ HTML é›»åæ›¸ç± PDF ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ ãƒ†ã‚ã‚¹ãƒˆ é›»åæ›¸ç± PDF ã‚¯ãƒªãƒƒãƒ—ã—ãŸè¨˜äº‹ã‚’Myãƒšãƒ¼ã‚¸ã‹ã‚‰èªã‚€ã“ã¨ãŒã§ãã¾ã™ ç±³å›½æ™‚é–“3æœˆ6æ—¥ã€ç¾åœ¨é–‹å‚¬ä¸ã®RSA Conferenceã§ã€ç±³å›½å®¶å®‰å…¨ä¿éšœå±€ï¼ˆNSAï¼‰ã¯ã€çµ„ç¹”å†…ã§10å¹´ä»¥ä¸Šä½¿ç”¨ã—ã¦ããŸã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãƒªãƒãƒ¼ã‚¹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°ãƒ„ãƒ¼ãƒ«ã€ŒGhidraã€ã‚’ç„¡å„Ÿã§å…¬é–‹ã—ãŸã¨ç™ºè¡¨ã—ãŸã€‚ ã“ã®ãƒ„ãƒ¼ãƒ«ã¯ã©ã‚“ãªã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã«ã¨ã£ã¦ã‚‚æœ‰ç”¨ã ãŒã€ç‰¹ã«å¤§ããªæ©æµã«ä¸Žã‚‹ã®ã¯ãƒžãƒ«ã‚¦ã‚§ã‚¢ã‚¢ãƒŠãƒªã‚¹ãƒˆã ã€‚ NSAã®ç›®çš„ã¯ã€Ghidraã‚’ãƒªãƒªãƒ¼ã‚¹ã™ã‚‹ã“ã¨ã§ã€NSAã‚„ã€NSAãŒéžå…¬å¼ã«Ghidraã‚’å…±æœ‰ã—ã¦ã„ã‚‹ã»ã‹ã®æ”¿åºœæƒ…å ±æ©Ÿé–¢ã®æ±‚äººã«å¿œå‹Ÿã™ã‚‹äººæãŒã€ã‚ã‚‰ã‹ã˜ã‚ã“ã®ãƒ„ãƒ¼ãƒ«ã«æ…£ã‚Œã‚‰ã‚Œã‚‹ã‚ˆã†ã«ã™ã‚‹ã“ã¨ã ã¨ã„ã†ã€‚ Ghidraã¯ç¾åœ¨ã€å…¬å¼ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã‹ã‚‰ã—ã‹ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã§ããªã„ãŒã€NSAã¯ä»Šå¾Œã€ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã§
pmakino 2019/03/18
ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£

ã‚½ãƒ•ãƒˆ

CTF
ãƒªãƒ³ã‚¯
ã©ã®CTFã«å‡ºãŸã‚‰ã„ã„ã‹åˆ†ã‹ã‚‰ãªã„äººã®ãŸã‚ã®CTFä¸€è¦§ (2018å¹´ç‰ˆ) - WTF!?
ã“ã‚Œã¯ CTF Advent Calendar 2018 - Adventar ã®15æ—¥ç›®ã®è¨˜äº‹ã§ã™ ï¼Ž14æ—¥ç›®ã¯ã€@kotarou777775 ãƒ—ãƒã®ã€ŒCTF Reversing Challenges List Baby writeupã¾ã¨ã‚ã€ã§ã—ãŸï¼Ž ã¯ã˜ã‚ã« Reversing Challenges Listã‚’æ›´æ–°ã—ãŸï¼Ž 2018å¹´ã«é–‹å‚¬ã•ã‚ŒãŸCTFã®ä¸ã‹ã‚‰å•é¡Œã‚’ãƒ”ãƒƒã‚¯ã‚¢ãƒƒãƒ—ã—ã¦æ›´æ–°ã—ãŸãŒï¼Œã¾ã è¶³ã‚Šã¦ã„ãªã„ã®ã§å¹´æ˜Žã‘å‰ã«ã¯2018å¹´ã®åˆ†ã‚’çµ‚ã‚ã‚‰ã›ã‚‹äºˆå®šï¼Ž å½“åˆã¯ã€ŒReversing Challenges Listã®æ›´æ–°ã€ã®ã¿ã‚’è¨˜äº‹ã¨ã—ã¦å…¬é–‹ã™ã‚‹äºˆå®šã ã£ãŸãŒï¼Œã“ã®é€šã‚Š2è¡Œã§çµ‚ã‚ã£ã¦ã—ã¾ã†ã®ã§ï¼Œ ä»Šå›žã®æ›´æ–°ã®éš›ã«ãƒ”ãƒƒã‚¯ã‚¢ãƒƒãƒ—ã—ãŸCTFã‚’ãŠã™ã™ã‚ã®CTFä¸€è¦§ã¨ã—ã¦å…¬é–‹ã™ã‚‹ã“ã¨ã¨ã—ãŸï¼Ž ã‚¿ã‚¤ãƒˆãƒ«ã¨å†…å®¹ã¯2016å¹´ã®CTF Advent Calendarã§@nolze ãƒ—ãƒãŒæ›¸ã„ãŸã€Œã©ã®CTF
pmakino 2018/12/23
ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£

CTF

ã¾ã¨ã‚
ãƒªãƒ³ã‚¯
SECCON 2018 Online CTF Needle in a haystack Writeup - Qiita
ãƒãƒ¼ãƒ yharimaã¨ã—ã¦3å¹´ç›®ã®SECCON 2018 Online CTFå‚åŠ ã€‚ 2535ãƒã‚¤ãƒ³ãƒˆã§28ä½ã€‚å›½å†…åœå†…ã£ã½ã„ã®ã§æœ€çµ‚çµæžœã‚’å¾…ã¡ã¾ã™ã€‚é€šã£ã¦ã‚‹ã¨ã„ã„ãªãã€‚ æ¯Žå¹´å‚åŠ ã—ã¦ã„ã¾ã™ãŒé›£æ˜“åº¦ãŒã©ã‚“ã©ã‚“ä¸ŠãŒã£ã¦ãã¦ã„ã‚‹ãªãã¨ã„ã†æ„Ÿæƒ³ã§ã™ï½— è‡ªåˆ†ãŒè§£ã„ãŸNeedle in a haystackã®Writeupã‚’æ›¸ãã¾ã™ã€‚ ãã†ã‚ã®Needle in a haystackã§ã™ã€‚ å•é¡Œã¯ã“ã¡ã‚‰ã€‚ã¾ã£ãŸãçŸ¥ã‚‰ãªã„äººã¯ã¾ãšè¦‹ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ https://www.youtube.com/watch?v=sTKP2btHSBQ ã¯ã„ã€9æ™‚é–“è¶Šãˆã®å‹•ç”»ã‚’ã¿ã¦ãƒ•ãƒ©ã‚°ã‚’æŽ¢ã™å•é¡Œã§ã™ã€‚ ãƒ“ãƒ«ã®é¢¨æ™¯ãŒå¤œé€šã—ã€ãã—ã¦æœã¾ã§æ°¸é æµã‚Œã¦ã„ã‚‹å‹•ç”»ã€‚æ£æ°—ã˜ã‚ƒãªã„ ã®ã¡ã«ã“ã®é¢¨æ™¯ã¯å¤§é˜ªã®æ¢…ç”°å‘¨è¾ºã‚‰ã—ã„ã¨ã„ã†æƒ…å ±ã‚‚å¾—ã‚‰ã‚Œã¾ã—ãŸã€‚ã¯ã„ã€‚ ã€Œã©ã†ã›SECCONã ã—ã©ã£ã‹ã®ãƒ•ãƒ¬ãƒ¼ãƒ ã«QRã‚³ãƒ¼ãƒ‰ãŒåŸ‹ã‚è¾¼ã¾ã‚Œã¦ã‚‹ã‚“ã˜ã‚ƒãªã„ï¼Ÿã€ã¨
pmakino 2018/10/29
CTF
ãƒªãƒ³ã‚¯
SECCON 2018 Online CTF ã® write-up - st98 ã®æ—¥è¨˜å¸³
2018-10-28 [ctf][seccon] SECCON 2018 Online CTF ã® write-up ãƒãƒ¼ãƒ Bluemermaid ã§ 10 æœˆ 27 æ—¥ã‹ã‚‰ 10 æœˆ 28 æ—¥ã«ã‹ã‘ã¦é–‹å‚¬ã•ã‚ŒãŸ SECCON 2018 Online CTF ã«å‚åŠ ã—ã¾ã—ãŸã€‚æœ€çµ‚çš„ã«ãƒãƒ¼ãƒ ã§ 3507 ç‚¹ã‚’ç²å¾—ã—ã€é †ä½ã¯å¾—ç‚¹ 653 ãƒãƒ¼ãƒ ä¸ 17 ä½ (å›½å†… 6 ä½?) ã§ã—ãŸã€‚ã†ã¡ã€ç§ã¯ 8 å•ã®ãƒ•ãƒ©ã‚°ã‚’é€šã—ã¦ 1935 ç‚¹ã‚’å…¥ã‚Œã¾ã—ãŸã€‚ [Crypto 260] mnemonic Read me. æ·»ä»˜ãƒ•ã‚¡ã‚¤ãƒ«: mnemonic.txt mnemonic.txt ã¯ä»¥ä¸‹ã®ã‚ˆã†ãªå†…å®¹ã§ã—ãŸã€‚ { "japanese": [ [ "d3a02b9706507552f0e70709f1d4921275204365b4995feae1d949fb59c663cc", "ãµã—ã‚™ã¿ã€€ã‚ã•ã²ã€€
pmakino 2018/10/28
CTF
ãƒªãƒ³ã‚¯
SECCON 2018 Onlineã®Writeup - CTFã™ã‚‹ãž
ã¯ã˜ã‚ã« 2018å¹´10æœˆ27æ—¥15:00ã‹ã‚‰28æ—¥15:00(JST)ã«ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã§é–‹ã‹ã‚ŒãŸSECCON 2018 Onlineã«ãƒãƒ¼ãƒ insecureã¨ã—ã¦å‚åŠ ã—ã¾ã—ãŸï¼Žçµæžœã¨ã—ã¦ã¯å…¨ä½“ã§56ä½ã§ã—ãŸï¼Ž ç§ãŒè§£ã„ãŸã®ã¯Unzip, History, QRChecker, Runme, block, Boguscrypt, mnemonicã§ã™ï¼Žãƒãƒ¼ãƒ ãƒ¡ã‚¤ãƒˆã®åŠ›ã‚’å€Ÿã‚Šã¦è§£ã„ãŸéƒ¨åˆ†ã‚‚ã‚ã‚Šã¾ã™ãŒï¼Œãã‚Œã‚‚å«ã‚ã¦Writeupã‚’æ›¸ã“ã†ã¨æ€ã„ã¾ã™ï¼Ž è§£ã„ãŸå•é¡Œã®ãƒ•ã‚¡ã‚¤ãƒ«ã¯ä»¥ä¸‹ã«ç½®ã„ãŸã®ã§ï¼Œå‚è€ƒã«ã—ã¦ãã ã•ã„ï¼Ž seccon2018 - Google ãƒ‰ãƒ©ã‚¤ãƒ– ãƒãƒ¼ãƒ ãƒ¡ã‚¤ãƒˆã®ãµã‚‹ã¤ãã®Writeupã¯ã“ã¡ã‚‰ï¼Ž furutsuki.hatena blog.com [Forensics 101] Unzip å•é¡Œæ–‡ï¼š Unzip flag.zip. å•é¡Œãƒ•ã‚¡ã‚¤ãƒ«ï¼š unzip.zip_26c0cb5b40
pmakino 2018/10/28
CTF
ãƒªãƒ³ã‚¯
SECCON 2018 Quals write-up (Unzip, GhostKingdom, Needle in a haystack, QRChecker, Electrum Kamuy) - åšå¤šé›»å…‰
ãƒãƒ¼ãƒ TSGã¨ã—ã¦å‡ºå ´ã—ã¾ã—ãŸã€‚ä¸–ç•Œ2ä½ã§ã™ã€‚CBCTFã¨ã„ã„SECCONã¨ã„ã„æœ€è¿‘TSGãŒå‡„ã„ã€‚ TSGã¨ã¯? æ±äº¬å¤§å¦ã®ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ¼ç³»ã‚µãƒ¼ã‚¯ãƒ« (ã®1ã¤) ã§ã™ã€‚æ±å¤§ç”Ÿã‹ã‚‰ã®éƒ¨å“¡å‹Ÿé›†ä¸ã€‚ æ±äº¬å¤§å¦ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ç³»ã‚µãƒ¼ã‚¯ãƒ« TSG ãƒãƒ¼ãƒ ãƒ¡ãƒ³ãƒãƒ¼ dai fiord gasin hakatashi JP3BGY kcz146 liesegang lip_of_cygnus moratorium08 satos taiyoslime TSGãŠå¾—æ„ã®äººæµ·æˆ¦è¡“ã‚’é§†ä½¿ã€‚æœ¬æˆ¦ã«å¼±ã„ã®ã‚‚ã•ã‚‚ã‚ã‚Šãªã‚“ã¨ã„ã£ãŸæ„Ÿã˜ã§ã‚ã‚‹ã€‚ ã¡ãªã¿ã«lmt_swallowãã‚“ã¯ãƒãƒ¼ãƒ dodododoã«æµ®æ°—ã—ãŸã®ã§ã„ã¾ã›ã‚“ã€‚ TSGã®ä»–ãƒ¡ãƒ³ãƒãƒ¼ã®Writeup cookies.hatena blog.jp qiita.com moraprogramming.hateblo.jp ã“ã®ã‚¨ãƒ³ãƒˆãƒªã§ã¯åƒ•ãŒsubmitã—ãŸå•é¡Œã¨è²¢çŒ®
pmakino 2018/10/28
CTF
ãƒªãƒ³ã‚¯
EasyCTF æ©Ÿèƒ½æ”¹å–„ç‰ˆ - pmakino
å‚äº•å¼˜äº®æ§˜ãŒå…¬é–‹ã•ã‚Œã¦ã„ã‚‹ç°¡æ˜“ CTF ã‚¹ã‚³ã‚¢ã‚µãƒ¼ãƒç”¨ CGI EasyCTF 1.4 ã«æ©Ÿèƒ½æ”¹å–„ã‚’æ–½ã—ãŸã‚‚ã®ã§ã™ã€‚ easyctf-1.4p2.txz (67KB) ã‚ªãƒªã‚¸ãƒŠãƒ«ã® EasyCTF 1.4 ã‹ã‚‰ã®å¤‰æ›´ç‚¹ã¯ä»¥ä¸‹ã®é€šã‚Šã§ã™ã€‚ Perl 5.26 ä»¥é™ (@INC ä»•æ§˜å¤‰æ›´) å¯¾å¿œ HTML5 ã¨ã—ã¦æ–‡æ³•ãƒã‚§ãƒƒã‚¯ã‚’ãƒ‘ã‚¹ã™ã‚‹ã‚ˆã†ã« CSS ã‚’åˆ©ç”¨ã™ã‚‹ã‚ˆã†ã« æ–‡å—ã‚³ãƒ¼ãƒ‰ã‚’ UTF-8 ã«å¤‰æ›´ å•é¡Œãƒ•ã‚¡ã‚¤ãƒ«ã‚’è¨ç½®ã™ã‚‹ pub ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ç”¨æ„ HTTP ã§ç›´æŽ¥ã‚¢ã‚¯ã‚»ã‚¹ã•ã‚Œã‚‹ã¹ãã§ãªã„ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒª (resultã€sessionã€user) ã‚’äºˆã‚ä½œæˆã— .htaccess ã‚’é…ç½®ã—æ‹’å¦ result é…ä¸‹ã«ã‚·ã‚¹ãƒ†ãƒ ãŒè‡ªå‹•ä½œæˆã™ã‚‹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ä¿è·ãƒ¢ãƒ¼ãƒ‰ 777 ã«ã—ã€OS ã® root æ¨©é™ãŒãªãã¦ã‚‚å‰Šé™¤ã§ãã‚‹ã‚ˆã†ã« ãƒ¦ãƒ¼ã‚¶ãƒ¼åã«ã‚¢ãƒ³ãƒ€ãƒ¼ã‚¹ã‚³ã‚¢ã‚’è¨±å®¹ã™ã‚‹ã‚ˆã†ã« ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã«ä»»æ„ã®è¨˜å·
pmakino 2018/07/26
ç¤¾å†…ã§ãƒŸãƒ‹ CTF ã‚’é–‹å‚¬ã™ã‚‹ã“ã¨ã«ãªã£ãŸã®ã§ã€ã“ã‚Œã‚’ä½¿ã£ãŸã€‚ç’°å¢ƒè¦ä»¶ãŒã»ã¼ Perl ã ã‘ã¨ã„ã†ç°¡ç´ ã•ãŒã‚ã‚ŠãŒãŸã„ã€‚

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£

ã‚½ãƒ•ãƒˆ

Perl

CGI

Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³

CTF
ãƒªãƒ³ã‚¯
CpawCTF - Main page
Toggle navigation CpawCTF Challenges Difficulty Ranking Notice SignUp Sign Up Login Login CpawCTF Welcome to CpawCTF!! CTFã¯åˆã‚ã¦ã§ã™ã‹ï¼Ÿä¸€åº¦ã“ã¡ã‚‰ã‚’å‚è€ƒã«ã—ã¦ãã ã•ã„ï¼ ã‚¹ã‚³ã‚¢ã‚µãƒ¼ãƒã¸ã®æ”»æ’ƒã¯ãŠã‚„ã‚ãã ã•ã„ ãŠå•ã„åˆã‚ã›ã¯ã€twitterã‚¢ã‚«ã‚¦ãƒ³ãƒˆ @porisuteru ã¾ãŸã¯ @nomuken ã¸ãƒªãƒ—ãƒ©ã‚¤ãªã©ã‚’é£›ã°ã—ã¦ãã ã•ã„ã€‚ All of the flag has the following form : cpaw{example} CpawCTF is unlimited! Please SignUp or Login to get questions.
pmakino 2017/05/26
CTF
ãƒªãƒ³ã‚¯
1 2 æ¬¡ã®ãƒšãƒ¼ã‚¸