Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
PHPサイバーテロの技法 書籍紹介
Search
ikuwow
June 06, 2015
Programming
1k
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
PHPサイバーテロの技法 書籍紹介
社内勉強会で「PHPサイバーテロの技法」を紹介しました
http://ikuwow.website/entry/php-cyberterro/
ikuwow
June 06, 2015
More Decks by ikuwow
See All by ikuwow
Elasticsearch on EC2からAmazon Elasticsearch Serviceに 移行してだいぶ楽になった話
ikuwow
0
3.6k
意外と使える! Alibaba Cloud
ikuwow
0
250
teratailの解析基盤をEFKで作っていろいろ楽しい話
ikuwow
0
920
UNIXという考え方
ikuwow
1
2.1k
技術書紹介 パーフェクトPHP
ikuwow
0
2.2k
みんなもMiddlemanで技術ブログ作って幸せになろう!
ikuwow
0
1k
Other Decks in Programming
See All in Programming
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
220
Family mrubyの進捗
kishima
1
110
フロントエンドUIフレームワークのこれまでとこれから
ssssota
5
2.4k
AI Agent時代のリアーキテクチャ戦略と実践
hokaccha
9
3.8k
ハーネス設計入門 〜プロンプト、コンテキストの次〜
kinopeee
56
37k
思考垂れ流し開発 ~音声入力 × AIエージェント × 開発ハーネスによる試行錯誤~
npostring
0
1.1k
App Intentsのビルドプロセスを支える技術
kntkymt
0
230
AI駆動開発にグラフDBを重ねてみた
satoshi256kbyte
2
780
The Good Stuff, Not the Slop: Engineering High-Quality Android Apps with Modern AI Tooling
danybony
1
240
go-spidermonkeyでAIエージェントのCode Modeを実装する
syumai
3
1.5k
WebMCP Challenge に星空観察アプリで参加した話
okajun35
0
130
Gmail/Google DriveをトリガーにAIエージェントを動かそう! / Run AI agents with Gmail/Google Drive as triggers!
har1101
3
490
Featured
See All Featured
The Cost Of JavaScript in 2023
addyosmani
55
10k
How to Grow Your eCommerce with AI & Automation
katarinadahlin
PRO
1
270
Reality Check: Gamification 10 Years Later
codingconduct
0
2.3k
End of SEO as We Know It (SMX Advanced Version)
ipullrank
3
4.4k
Marketing Yourself as an Engineer | Alaka | Gurzu
gurzu
0
300
Skip the Path - Find Your Career Trail
mkilby
1
220
How to Think Like a Performance Engineer
csswizardry
28
2.8k
HU Berlin: Industrial-Strength Natural Language Processing with spaCy and Prodigy
inesmontani
PRO
0
700
コードの90%をAIが書く世界で何が待っているのか / What awaits us in a world where 90% of the code is written by AI
rkaga
63
45k
技術選定の審美眼(2025年版) / Understanding the Spiral of Technologies 2025 edition
twada
PRO
120
120k
From Legacy to Launchpad: Building Startup-Ready Communities
dugsong
0
330
How to Get Subject Matter Experts Bought In and Actively Contributing to SEO & PR Initiatives.
livdayseo
0
190
Transcript
ॻ੶հɿ PHPαΠόʔςϩͷٕ๏ ʙ߈ܸͱޚͷ࣮ࡍʙ 2015/06/03(Fri) Ι͘Λʢikuwowʣ
ࣗݾհ • Ι͘Λʢikuwowʣ • झຯ αʔόʔߏஙɾ ཧࣗಈԽ • ϚΠϒʔϜ ըαʔόʔ
• ͖ͳ৭ ࢵ @ikuwow
֓ཁ • ஶऀ GIJOE • AmazonϨϏϡʔ18ɺ ධՁ4.6 • 2005ॳ൛ୈ1ൃߦ 2011ॳ൛ୈ10ൃߦ
ʁʂ
ຊͷ࣍ 1.WebΞϓϦέʔγϣϯͷηΩϡϦςΟͱ 2.WebΞϓϦέʔγϣϯΛ࣮ࡍʹ߈ܸͯ͠ΈΑ͏ 3.߈ܸํ๏14छྨ૯͟Β͑ 4.WebΞϓϦέʔγϣϯηΩϡϦςΟͷཧ 5.HTTPηογϣϯ͔Β߈ܸͷຊ࣭ΛΔ 6.੬ऑੑεΩϟφʔΛར༻͢Δ 7.νϟʔτࣜ:੬ऑੑͷݟ͚ͭํ ͍ΘΏΔʮWebηΩϡϦςΟͷຊʯ
ex. XSSɺCSRFɺSQLΠϯδΣΫγϣϯɺ…
͜ͷຊͷಛΛҰݴͰݴ͏ͱ
߈ܸํ๏ʹͨ͠ WebηΩϡϦςΟͷ ϨϑΝϨϯε
ʮຊॻͰɺ߈ܸํ๏Λղઆ͠ɺ ͦΕʹର͢Δదͳޚํ๏Λ ໌͍ࣔͯ͠·͢ɻ ։ൃऀ͕҆શͰ߈ܸʹڧ͍ ΞϓϦέʔγϣϯΛ࡞Δ্Ͱɺ ඞཁͳࣝΛ͜ͷҰʹڽॖɻʯ ʢຊͷଳΑΓʣ
͜ͷຊͷελϯε • ʮηΩϡϦςΟ߈ܸํ๏͋Γ͖ʯ • ʮຊॻ࠷େͷςʔϚཏੑͰ͢ʯ ʮશ14छͷ߈ܸํ๏ʯ • ʮWebʹ͓͚ΔηΩϡϦςΟରࡦWebඪ४Խ MVCΑΓΔ͔ʹ༏ઌ͕ߴ͘ɺݴޠͷجૅจ ๏ͷ͙࣍͢ʹ֮͑Δͷʯ
ʢʮ͡ΊʹʯΑΓʣ
ಙؙຊͱൺֱ ɾ੬ऑੑʹ ɾಡΈత ɾ߈ܸํ๏ʹ ɾϨϑΝϨϯεత
ͦͷଞΑ͍ͱ͜Ζ • ઌʹαϯϓϧίʔυΛग़ͯ͠߈ܸΛࢼΈΔ • ʮରࡦࣦഊྫʯʮෳͷରࡦྫʯʮϝϦο τɾσϝϦοτʯͳͲ༰͕ॆ࣮͍ͯ͠Δ <?php // ੬ऑੑ
readfile(‘/home/username/mydata/‘.$_GET[‘file_name’]); // ରࡦࣦഊྫ readfile(‘/home/user/name/mydata/’.str_replace(‘../‘,’’, $_GET[‘file_name’])); // ରࡦޭྫ readfile(‘/home/user/name/mydata/’.basename($_GET[‘file_name’]));
ಡΜͰಘΒΕͨҰͭͷڭ܇
ϢʔβʔΛ ৴༻͠ͳ͍
ϢʔβʔΛ৴༻͠ͳ͍ • ΞϓϦέʔγϣϯʹͲΜͳϦΫΤετ͕ඈΜͰ͘Δ͔Θ͔Βͳ͍ • Ϣʔβʔ͔Βͷೖྗৗʹ࠷ѱͷঢ়گΛߟ͑Δ • Ϣʔβʔ͔ΒͷೖྗಟΛ͍࣋ͬͯΔͱߟ͑Δ • => αχλΠζʢhtmlspecialchars()ɺ໌ࣔతͳΩϟετɺಈతͳ
ϑΝΠϧಡΈࠐΈɾ࣮ߦΛڐ͞ͳ͍ɺ… etc. Ϣʔβʔ͔ΒͷೖྗΛγεςϜʹ͞ͳ͍͜ͱ͕ॏཁ
͜ͷຊΛಡΉͱ͖ͷҙ
ݹ͍
ݹ͍ • 200512݄ॳ൛ୈҰൃߦ • PHP͕ݹ͍ʢPHP4ʙ5.1ʣ ɾmysql_query(), register_globals, safe_mode, … etc.
• ίʔυؔʹ͍ͭͯͷ෦ඞͣ PHPͷυΩϡϝϯτΛࢀর͠ͳ͕ΒಡΉ͜ͱ
ಡΉͱ͍͍ਓ • MVCϑϨʔϜϫʔΫʹ͔͞Εͨ ΏͱΓWebʢPHPʣΤϯδχΞ 42-ΠϯδΣΫγϣϯͳΜͯ ϑϨʔϜϫʔΫ͕ରࡦͯ͘͠ΕΔͰ͠ΐʁ )551ϔομͱ͔ ݟͯΑ͘Θ͔Γ·ͤΜ
ͳΜͷʹཱ͔ͭ • ʮ͜ΕηΩϡϦςΟʹ݀͋Δɾɾɾʁʯͱࢥͬ ͨ࣌ʹऔΓग़ͯ֬͠ೝ • ߈ܸऀͷઢͰηΩϡϦςΟΛ֬ೝͰ͖Δ • ຊʹରࡦ͞Ε͍ͯΔ͔ෆ҆ʹͳͬͯϑϨʔ ϜϫʔΫͷιʔεΛಡΈͨ͘ͳΔ
·ͱΊ • ʮPHPαΠόʔςϩͷٕ๏ʯ߈ܸํ๏ʹͨ͠Web ηΩϡϦςΟͷϨϑΝϨϯεɻͨ·ʹಡΈͨ͘ͳΔຊɻ • ֶΔηΩϡϦςΟͷݪଇ ʮϢʔβʔΛ৴༻͠ͳ͍ʯ • ٕज़ॻͱ͔ͯ͠ͳΓݹ͍ຊͳͷͰ 10ͱ͍͏࣌ͷҧ͍ʹҙ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
ҎԼิॿεϥΠυ
ʮશ14छͷ߈ܸํ๏ʯ 1.XSSʢΫϩεαΠτεΫϦϓςΟϯάʣ 2.ίϯςϯπʹJavaScriptຒΊࠐΈ 3.SQLΠϯδΣΫγϣϯ 4.CSRFʢΫϩεαΠτϦΫΤετϑΥʔδΣϦʣ 5.ψϧόΠτ߈ܸ 6.σΟϨΫτϦτϥόʔαϧ 7.ڥมԚછ߈ܸ 8.HTTPϨεϙϯεׂ߈ܸ 9.ΠϯΫϧʔυ߈ܸ
10.evalར༻߈ܸ 11.֎෦ίϚϯυ࣮ߦ߈ܸ 12.ϑΝΠϧΞοϓϩʔυ߈ܸ 13.ηογϣϯϋΠδϟοΫ 14.εύϜϝʔϧ౿Έ߈ܸ શ14छͱஅݴͯ͠Δ => ཏੑ
࡞ऀ • GIJOEʢຊ໊ ޙ౻ๆཅʣ • ౦ژग़ɻେֶ࣌ੜֶΛઐ߈͠…ʢུʣ • ߴߒޫࢯͱGIJOEࢯͷ૪ʹ͍ͭͯɺGIJOEࢯ ʹͯ͠ΈΔ http://blogs.yahoo.co.jp/quitthemusic/
24047659.html