Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
自作バイナリエディタを用いたバイナリ解析
Search
@tkmru
March 05, 2016
Programming
2.5k
3
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
自作バイナリエディタを用いたバイナリ解析
セキュリティ・キャンプ・フォーラム 2016/03/04
@tkmru
March 05, 2016
More Decks by @tkmru
See All by @tkmru
10分で知るゲームが「チートされる」仕組み/findy202603
tkmru
0
1k
リバースエンジニアリング新時代へ! GhidraとClaude DesktopをMCPで繋ぐ/findy202507
tkmru
8
2.6k
Bring Your Own Container: When Containers Turn the Key to EDR Bypass/byoc-avtokyo2024
tkmru
2
1.9k
ipa-medit: Memory search and patch tool for IPA without Jailbreaking/ipa-medit-bh2022-europe
tkmru
0
420
Ipa-medit: Memory modification tool for iOS apps without Jailbreaking/ipa-medit-codeblue2022
tkmru
0
240
趣味と実益のための著名なOSSライブラリ起因の脆弱性の探求/seccamp2021-b5
tkmru
0
5.5k
Ipa-medit: Memory Search and Patch Tool for IPA Without Jailbreaking @Black Hat USA 2021 Arsenal/ipa-medit-bh2021-usa
tkmru
1
4.8k
Learn the essential way of thinking about vulnerabilities through post-exploitation on middlewares (MySQL/PostgreSQL編)/seccamp2020-b8
tkmru
3
990
apk-medit: memory search and patch tool for debuggable APK @CODE BLUE 2020 Bluebox
tkmru
0
250
Other Decks in Programming
See All in Programming
その問い、本当に正しいですか?AI時代のエンジニアに必要な哲学と認知科学 / ai-philosophy-cognitive-science
minodriven
11
5.8k
AI時代のUIはどこへ行く?その2!
yusukebe
21
7.3k
作って学ぶ、 JSX (TSX) ランタイムの基本
syumai
7
1.6k
A2UI という光を覗いてみる
satohjohn
1
140
Vite+ Unified Toolchain for the Web
naokihaba
0
320
Developing with AI Agents — Codex, Claude Code & Cowork Practical Guide
x5gtrn
PRO
0
1.3k
さぁV100、メモリをお食べ・・・
nilpe
0
140
Hunting Vulnerabilities in Symfony with LLMs
vinceamstoutz
0
550
Semantic Version 単位で戦略を柔軟に変えて、パッケージアップデートを自動化する
daitasu
1
260
Claspは野良GASの夢をみるか
takter00
0
200
Skillsは効率化、Agentsは"自分の拡張"——Builder時代のエージェント編成(CC Night 2026)
wemra
1
140
Spec Driven Development | AI Summit Lisbon
danielsogl
PRO
0
200
Featured
See All Featured
Technical Leadership for Architectural Decision Making
baasie
3
420
Fireside Chat
paigeccino
42
4k
Believing is Seeing
oripsolob
1
150
A Soul's Torment
seathinner
6
3k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
28
3.5k
The Spectacular Lies of Maps
axbom
PRO
1
810
Building a A Zero-Code AI SEO Workflow
portentint
PRO
0
600
How People are Using Generative and Agentic AI to Supercharge Their Products, Projects, Services and Value Streams Today
helenjbeal
1
220
The Limits of Empathy - UXLibs8
cassininazir
1
360
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.9k
Navigating Team Friction
lara
192
16k
Navigating the Design Leadership Dip - Product Design Week Design Leaders+ Conference 2024
apolaine
1
350
Transcript
ࣗ࡞όΠφϦΤσΟλΛ ༻͍ͨόΠφϦղੳ ˏtkmru ͚ͨ·Δ 2016-03-04 Fri Security Camp Forum
୭ʁ • ໊લ: ͚ͨ·Δ (@tkmru) • ॴଐ: େֶ ใཧֶ෦ •
CTFνʔϜ: TomoriNao
༑རಸॹ(SECCON 2015 Intercollege)
None
ຊ༑རಸॹͰͳ͘ ʮࣗ࡞όΠφϦΤσΟλΛ ༻͍ͨόΠφϦղੳʯ
όΠφϦΤσΟλͱ • ͲΜͳϑΝΠϧͰ16ਐͰදࣔ͢Δ • ͍͋͠ϑΝΠϧΛ࠷ॳʹͿͪࠐΉιϑτ
BZ http://www.forest.impress.co.jp/library/img/review/10014/html/bz1.jpg.html
Stirling http://1.bp.blogspot.com/-O5txkaVlhRg/US3i8jFWvjI/AAAAAAAAdTA/uaDiY_RHDMc/s1600/02.png
grep • όΠφϦΤσΟλ্ͰΑ͘ߦΘΕΔղੳٕ๏ • ࢹͰॏཁͦ͏ͳσʔλΛݟ͚ͭΔߦҝ • Ή͔͍ͣ͠
ʮҰൠతʹgrepόΠφϦΤ σΟλʹࡌ͞Ε͍ͯΔϏοτϚο ϓϏϡʔΛۦ͠ɺ ͑ΒΕͨ ؟ྗɺݚ͗·͞Εͨੜͷצ ʹΑͬͯൃش͞ΕΔೳྗͰ͋Γɺ ࿅ͷ߹͍ʹΑͬͯେ͖͘ݸਓ ͕ࠩੜ͡ΔೳྗͰ͋Δɻʯ https://gist.github.com/yoggy/4116843
ϓϩʹ͔͠Ͱ͖ͳ͍
طଘͷόΠφϦΤσΟλͷෆຬ • mac͚ʹσϑΝΫτελϯμʔυͱ͍͑ Δͷ͕ͳ͍ • ϓϩͰͳ͍ਓ͕grep͢Δͱݟམͱ͕͠ൃ ੜ͢Δ → ΫϩεϓϥοτϑΥʔϜͰղੳΛࣗಈԽͯ͠ ͘ΕΔόΠφϦΤσΟλ͕΄͍͠
ͦ͜Ͱࣗ࡞όΠφϦΤσΟλ
biwx(ͼ͎ͬ͘͢)
ࡐྉ • Python • wxPython - C++ͷGUIϥΠϒϥϦ ʮwxWidgetsʯͷϥούʔ binary editor
+ wxPython = biwx
ಛ • ΫϩεϓϥοτϑΥʔϜ • Φʔϓϯιʔε • ϑΝΠϧͷγάωΠνϟΛ৭͚ • ৄࡉใΛදࣔ(γάωΠνϟͷॴɺPDFͷύʔε) •
ࣗಈղੳػೳ
ࣗಈղੳػೳ • Έࠐ·ΕͨϑΝΠϧͷΓग़͠ • όΠφϦͷ୯७ͳΓग़͠ • PDFͷࣗಈύʔε
σϞ1 SECCON CTF 2015 Steganography 1 MrFusion.gpjb
MrFusion.gpjb • Α͔͘Βͳ͍ϑΝΠϧ͕༩͑ΒΕΔ • ͳ͔ʹෳͷը૾ϑΝΠϧ͕Ӆ͞Ε͍ͯΔ • औΓग़ͯ͠ॱ൪ʹಡΊ͕͔͑Δ
flag SECCON{OCT 21 2015 0728}
σϞ2 malicious PDFͷղੳ
malicious PDFͷղੳ • PDFʹJavaScriptίʔυΛຒΊࠐΊΔ • Adobe ReaderͰ JavaScript ࣮ߦݖݶ͕༗ޮ ʹͳ͍ͬͯΕ࣮ߦ͞ΕΔ
ࠓޙͷల • ࣗಈղੳػೳͷ֦ॆ • γΣϧίʔυͷղੳ • ղੳऀ͕Ѫ༻͢Δπʔϧʹҭ͍͖͍ͯͯͨ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠