[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10,"_11":12,"_13":14},"actionData","errors","root",{"_181":182,"_183":135},"routes/_root/_root",{"_178":-7,"_38":39,"_179":-7,"_180":-7},"routes/_root.tags.$tagCanonical+/_root",{"_34":130,"_50":131,"_132":16,"_133":134},"routes/_root.tags.$tagCanonical+/challenges.$challengeCanonical+/_root",{"_46":47,"_48":49,"_50":51},"routes/_root.tags.$tagCanonical+/challenges.$challengeCanonical+/writeups",{"_15":16,"_17":16,"_18":19,"_20":21,"_22":23},"solved",false,"hasWriteup","writeups",[24],"name","BrainJIT","canonicalName","brainjit",{"_25":26,"_27":28,"_29":30,"_31":16,"_32":16,"_33":16,"_34":35,"_36":37,"_38":39,"_40":41,"_42":43},"author",{"_20":44,"_45":-5},"writeupElementId","c01fa2f2","writeupId","c01fa2f2-0105-4087-a333-80432758bcc3","canEdit","canLike","likedByViewer","title","zer0pts CTF 2023 - Official Writeups","url","https://hackmd.io/@ptr-yudai/HkbXjymq3","language","en","isOfficial",true,"createdAt",["D",1722538529612],"admin","gravatarHash","challenge",{"_20":21,"_22":23,"_55":56,"_57":-7,"_58":59,"_60":61,"_62":63,"_64":65,"_66":67,"_68":-7,"_69":16,"_70":-7,"_71":72,"_73":-7,"_74":-7,"_33":16,"_75":76,"_77":78,"_79":16,"_80":-7,"_81":41,"_82":-7,"_83":84,"_85":-7,"_86":41,"_87":88,"_89":90,"_91":16,"_92":16,"_93":41,"_32":41,"_94":-7,"_95":-7,"_96":-7,"_97":-7,"_98":99},"availablePages",[52,53,54],"canonicalUrl","https://alpacahack.com/tags/shellcode/challenges/brainjit","Description","Solves","Writeups","solves",7,"difficulty","flagFormat","zer0pts{...}","categories",[127],"attachments",[123],"remote",{"_120":121,"_122":41},"description","++++[++++>---<]>-.---[----->+<]>-.+++[->+++<]>++.++++++++.+++++.--------.-[--->+<]>--.+[->+++<]>+.++++++++.-[++>---<]>+.-[--->++<]>-.++++++++++.+[---->+<]>+++.[->+++<]>+.-[->+++<]>.++[->+++<]>+.++++++++..-----------.-[--->+<]>-.++[--->++<]>.-----------.+++++++++++++.-------.--[--->+<]>--.[->+++<]>++.++++++.--.--[--->+<]>-.---[->++++<]>.-----.[--->+<]>-----.++[--->++<]>.-------.----.--[--->+<]>---.----.-[->+++++<]>-.+++++[->++<]>.-.+++++++++++.[-->+<]>++++.>++++++++++.","descriptionJa","descriptionRequiresSignIn","changeLog","authors",[117],"solvedAt","solvedAtInContext","ctfChallenges",[109],"tags",[100,101,102],"submitAsCtfChallenge","ctfCanonical","ctfEnded","point","solvesCtfChallenge",23,"classification","isMirror","ctfParticipants",476,"ctfMode","INDIVIDUAL","isDailyChallenge","canCheckFlagWithoutSubmission","canCreateInstance","dailyProgramCanonicalForAction","previewProgramCanonicalForAction","dailyChallengeSlot","nextDailyCanonical","httpsProxyHostname","brainjit.chal.alp4ca.com",{"_20":107,"_22":108},{"_20":105,"_22":106},{"_20":103,"_22":104},"Shellcode","shellcode","JIT","jit","Brainfuck","brainfuck",{"_85":-7,"_82":110,"_55":84,"_20":111,"_22":112,"_113":90,"_86":41,"_114":115,"_116":88},0,"zer0pts CTF 2023","zer0pts-ctf-2023","mode","startAt",["D",1689390000000],"participants",{"_20":118,"_45":119},"ptr-yudai","329c13332736e97decec505f5918236c2c8d476d724076661539bbf1cae11db9","instances",[],"canSpawn",{"_124":125,"_36":126},"fileName","brainjit.tar.gz","https://alpacahack-prod.s3.ap-northeast-1.amazonaws.com/59f181a5-f0f0-4873-b42f-a9b88c081a40/brainjit.tar.gz",{"_20":128,"_22":129},"Pwn","pwn","Tag: Shellcode","https://alpacahack.com/tags/shellcode","isLoggedIn","tag",{"_20":103,"_22":104,"_66":135,"_68":136,"_71":137,"_138":139,"_140":141,"_142":143},"","Shellcode は、攻撃者が直接実行させることを目的とした小さな機械語コードです。\n\nCTF では、システムコール、制限されたバイト列、実行権限、エンコードを考慮して目的の処理を行う Pwn 問題で扱われます。\n",[176],"updatedAt",["D",1781729120697],"challenges",[144,145,146],"relatedTags",[],{"_20":166,"_22":166,"_55":167,"_77":168,"_71":169,"_60":170,"_73":-7},{"_20":155,"_22":156,"_55":157,"_77":158,"_71":159,"_60":160,"_73":-7},{"_20":21,"_22":23,"_55":56,"_77":147,"_71":148,"_60":149,"_73":-7},[152,153,154],[151],[150],{"_20":128,"_22":129},{"_20":118,"_45":119},{"_20":107,"_22":108},{"_20":105,"_22":106},{"_20":103,"_22":104},"pacapaca sc","pacapaca-sc",90,[165],[162],[161],{"_20":128,"_22":129},{"_20":163,"_45":164},"pppp4649","7b13a3438ad8c15bfabba0dfb37099cd93b38f7775fb79be6d5f905b0eb92001",{"_20":103,"_22":104},"shellcode-101",153,[175],[172],[171],{"_20":128,"_22":129},{"_20":173,"_45":174},"k0080","073ca3a9075d030a249a78c3513648c685e27af124ba6a1c9fdf1a6ead8fc39f",{"_20":103,"_22":104},{"_20":177,"_45":-5},"alpakun","user","timeZone","timeZoneAbbr","clientConfig",{"_184":185,"_186":41,"_187":188,"_189":188,"_190":191,"_192":193,"_194":16,"_195":135},"cspNonce","firebaseOptions",{"_196":197,"_198":199,"_200":201,"_202":203,"_204":205,"_206":191},"isVercel","env","production","envName","gaTrackingId","G-FJX5L5Y9FE","turnstileSiteKey","0x4AAAAAAAfYTP7SUci3nVKW","isSpawnerUnderMaintenance","spawnerMaintenanceNotice","apiKey","AIzaSyDGInmUCFubPOqJWQCw3LBB-XZGj9LX4l4","appId","1:691353492123:web:4ae258ec8c620e63f0443e","projectId","alpacahack","authDomain","alpacahack.firebaseapp.com","messagingSenderId","691353492123","measurementId"]