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
apk-medit: memory search and patch tool for deb...
Search
@tkmru
October 30, 2020
Programming
250
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
apk-medit: memory search and patch tool for debuggable APK @CODE BLUE 2020 Bluebox
https://github.com/aktsk/apk-medit
https://github.com/aktsk/apkutil
@tkmru
October 30, 2020
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
1.1k
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
2.7k
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
430
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 @Black Hat USA 2020 Arsenal/apk-medit-bh2020-usa
tkmru
0
4.6k
Other Decks in Programming
See All in Programming
AI がコードを書く時代における新卒エンジニアの仕事風景 (2026) / New Graduate Engineers in the Era of AI Coding (2026)
sushichan044
0
190
Language Server 使ってる? 〜VSCode と Zed の場合〜 / Are you using a Language Server? ~For VS Code and Zed~
handlename
0
820
技術記事、 専門家としてのプログラマ、 言語化
mizchi
14
7.2k
20260623_Loop Engineeringで自分の分身の問い合わせBotを作る
ryugen04
0
110
act1-costs.pdf
sumedhbala
0
150
Developing with AI Agents — Codex, Claude Code & Cowork Practical Guide
x5gtrn
PRO
0
1.3k
Dataformのリポジトリを立ち上げるときにまずやること / dataform-day0-2026
snhryt
0
200
キャリア迷子上等 ─ "ない道"は自分で作ればいい
16bitidol
3
2.7k
SLOをサービス品質の共通言語にするために 取り組んできたこと
wakana0222
0
260
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
190
AIを活用したE2Eテスト実装効率化のあゆみ / ebisu-mobile-14-kotetu
kotetuco
0
150
エージェンティックRAGにAWSで入門しよう!
har1101
9
1.9k
Featured
See All Featured
The Curse of the Amulet
leimatthew05
2
13k
Building a Scalable Design System with Sketch
lauravandoore
463
34k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
16k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
10
1.2k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3.5k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
287
14k
How Fast Is Fast Enough? [PerfNow 2025]
tammyeverts
3
640
16th Malabo Montpellier Forum Presentation
akademiya2063
PRO
0
160
Unlocking the hidden potential of vector embeddings in international SEO
frankvandijk
0
860
Building a A Zero-Code AI SEO Workflow
portentint
PRO
0
620
[SF Ruby Conf 2025] Rails X
palkan
2
1.1k
30 Presentation Tips
portentint
PRO
1
340
Transcript
$0%&#-6&#MVFCPY 1SFTFOUFECZ5BJDIJ,PUBLF "LBUTVLJ*OD BQLNFEJU NFNPSZTFBSDIBOEQBUDIUPPMGPS"1, XJUIPVUSPPUBOESPJE/%,
8IP*BN w /BNF5BJDIJ,PUBLF w $PVOUZ+BQBO w +PC4FDVSJUZ&OHJOFFS!"LBUTVLJ*OD w 'PDVT(BNF4FDVSJUZ /FUXPSL1FOUFTU
w (JU)VCULNSV
.Z#PPLT
5PEBZT5PQJD 4FDVSJUZUFTUJOH GPSNPCJMFHBNFBQQT Photo by Shannon Potter on Unsplash
4FDVSJUZUFTUJOHGPSNPCJMFHBNFBQQT w 4FDVSJUZUFTUJOHPGXFCBQQMJDBUJPOTBOETJNQMFNPCJMFBQQTDBOpOE NPTUWVMOFSBCJMJUJFTCZVTJOHBQSPYZUPPMUPNPEJGZXJUISFRVFTUT SFTQPOTFTUPUIFTFSWFS "QQT 4FSWFST &OHJOFFSTVTJOHBQSPYZUPPM .PEJpFE3FRVFTU 3FTQPOTF
3FRVFTU .PEJpFE3FTQPOTF
4FDVSJUZUFTUJOHGPSNPCJMFHBNFBQQT w .PCJMFHBNFBQQTPGUFOJNQMFNFOUHBNFMPHJDBOEBOUJDIFBUMPHJDJOUIFJSDMJFOUT BOEUIFDMJFOUTOFFEUPUBLFUIFUJNFUPDIFDLJU w 4FDVSJUZUFTUJOHGPSNPCJMFHBNFBQQTJTNPSFEJ⒏DVMUUIBOBTJNQMFNPCJMFBQQ CFDBVTFPGUIFQFSTQFDUJWFPGSFWFSTFFOHJOFFSJOH w %FDSZQUJOHSFRVFTUTSFTQPOTFTFODSZQUJPO
w 44-QJOOJOHCZQBTT w 3PPUQSJWJMFHFTEFUFDUJPOCZQBTT w .FNPSZNPEJpDBUJPO w FUD 5PEBZ`TUPQJD
8IBUJTNFNPSZNPEJGJDBUJPOʁ w 4FBSDIJOHGPSUIFWBMVFEJTQMBZFEPOUIF6*JOUIFEFWJDFTNFNPSZ BOENPEJGZJOHXJUIUIFWBMVFGPVOE w 5IFFBTJFTUXBZUPDIFBUJOHBNFT w 'PS"OESPJEHBNFT UIFSFJTBXFMMLOPXODIFBUUPPMDBMMFEɹɹ (BNF(VBSEJBO
8IBUJTBQLNFEJU w .FNPSZTFBSDIBOEQBUDIUPPMGPSEFCVHHBCMF"1, w 8PSLTXJUIPVUSPPUUIFBOESPJE/%, w *NQMFNFOUFEJO(PMBOH w 'PSNPCJMFTFDVSJUZUFTUJOH w
"LBUTVLJTJOUFSOBMTFDVSJUZUFBNVTFTJUUPQFSGPSNTFDVSJUZUFTUTGPS NPCJMFHBNFBQQ w (JU)VCIUUQTHJUIVCDPNBLUTLBQLNFEJU
8IBUBSFJUTBEWBOUBHFTPWFSPUIFSUPPMT w /PSPPUQSJWJMFHFTBSFSFRVJSFEGPSUIFPQFSBUJPO w 5IFSFGPSF UIFSFJTOPOFFEUPCZQBTTSPPUEFUFDUJPO w (BNFBQQTPGUFOEFUFDUSPPU w 8PSLTXJUIDPMPSGVM$6*
w /PDPNQFUJOHUPPMTUIBUXPSLXJUI$6*GPS"OESPJE
6TBHF %FNP.PWJF
6TBHF *OTUBMMBUJPO w %PXOMPBEUIFCJOBSZGSPN(JU)VC3FMFBTFT w QVTIUIFCJOBSZJOEBUBMPDBMUNQPOBO"OESPJEEFWJDF $ adb push medit
/data/local/tmp/medit
6TBHF 5PMBVODI w 6TFUIFSVOBTDPNNBOEUPSFBEXSJUFpMFTVTFECZUIF"1, w 5PBDDFTTUIFNFNPSZXJUIPVUSFRVJSJOHSPPUQSJWJMFHFT w 4PBQLNFEJUDBOPOMZCFVTFEXJUIBQQTUIBUIBWF UIFEFCVHHBCMFBUUSJCVUFFOBCMFE
6TBHF 5PMBVODI w 5PFOBCMFUIFEFCVHHBCMFBUUSJCVUF w PQFOUIF"OESPJE.BOJGFTUYNMBOEBEEUIFGPMMPXJOHYNMBUUSJCVUF UPUIFBQQMJDBUJPOYNMOPEF android:debuggable="true"
6TBHF .BLFEFCVHHBCMFVTJOHBQLVUJM w 6TJOHBQLVUJM ZPVDBODIBOHFUIF"1,UPCFEFCVHHBCMF XJUIBTJOHMFDPNNBOE w "OPUIFSUPPM*DSFBUFE w IUUQTHJUIVCDPNBLUTLBQLVUJM
$ pip install git+ssh://
[email protected]
/aktsk/apkutil.git $ apkutil debuggable <target-apk-name>
6TBHF "OPUIFSUPPM*DSFBUFE BQLVUJM w BQLVUJMJTBVTFGVMVUJMJUZGPSBOESPJEBQQTFDVSJUZUFTUJOH w 0UIFSVTFGVMGFBUVSFT w 5BLJOHTDSFFOTIPU NPWFUPDPOOFDUFE1$
w 3FTJHOJOHUIF"1, w $IFDLJOH"OESPJE.BOJGFTUYNMXIFOEFDPEFUIF"1, w FUD
6TBHF 5PMBVODI w "GUFSSVOOJOHUIFSVOBTDPNNBOE EJSFDUPSZJTDIBOHFE w $PQZNFEJUGSPNEBUBMPDBMUNQ w 3VOOJOHNFEJUMBVODIFTBOJOUFSBDUJWFQSPNQU $
adb shell $ pm list packages # to check <target-package-name> $ run-as <target-package-name> $ cp /data/local/tmp/medit ./medit $ ./medit
6TBHF 4VCDPNNBOET w .BOZTVCDPNNBOETBSFBWBJMBCMFJOUIFJOUFSBDUJWFQSPNQU CVUUIF UISFFNBJOPOFTBSF w pOEWBMVFTFBSDIUIFTQFDJpFEJOUFHFSWBMVFJONFNPSZ w pMUFSWBMVFpMUFSTFBSDISFTVMUTVTJOHUIFTQFDJpFEWBMVF
w QBUDIWBMVFXSJUFUIFTQFDJpFEWBMVFUPUIFBEESFTTGPVOECZUIF TFBSDI
5IFNFNPSZNPEJGJDBUJPOGMPX w 6TFUIFlpOEzDPNNBOEUPTFBSDIUIFWBMVFPOUIF6* w *GNBOZSFTVMUTBSFEJTQMBZFE DIBOHFUIFWBMVFPOUIF6*UP lpMUFSzUIFSFTVMUT w 8IFOUIFSFBSFGFXFSSFTVMUT ZPVDBONPEJGZUIFNFNPSZ
CZVTJOHUIFQBUDIDPNNBOE
)PXJUXPSLT Photo by Harrison Broadbent on Unsplash
)PXJUXPSLT w 0O-JOVYCBTFE04FT QTFVEPpMFTBSFQMBDFEVOEFSQSPDUPBDDFTT QSPDFTTJOGPSNBUJPO w 5IFGPMMPXJOHQBUITBSFVTFE w QSPD<QJE>NBQT
w QSPD<QJE>NFN
QSPD<QJE>NBQT w QSPD<QJE>NBQTDPOUBJOTUIFNFNPSZNBQJOGPSNBUJPO w 5IFNFNPSZNBQJOEJDBUFTXIJDIQBSUPGUIFNFNPSZUIFQSPDFTT TQFDJpFECZUIFlQJE IBTQFSNJTTJPOTUPSFBEBOEXSJUFUP
QSPD<QJE>NBQT sargo:/data/data/jp.aktsk.tap1000000 $ cat /proc/11283/maps 12c00000-12d40000 rw-p 00000000 00:05 23292
/dev/ashmem/dalvik-main space (region space) (deleted) 12d40000-133c0000 ---p 00140000 00:05 23292 /dev/ashmem/dalvik-main space (region space) (deleted) 133c0000-13700000 ---p 007c0000 00:05 23292 /dev/ashmem/dalvik-main space (region space) (deleted) 13700000-13780000 rw-p 00b00000 00:05 23292 /dev/ashmem/dalvik-main space (region space) (deleted) 13780000-14140000 ---p 00b80000 00:05 23292 /dev/ashmem/dalvik-main space (region space) (deleted) 14140000-2ac00000 rw-p 01540000 00:05 23292 /dev/ashmem/dalvik-main space (region space) (deleted) 6f181000-6f3a6000 rw-p 00000000 fd:01 221 /data/dalvik-cache/arm/system@
[email protected]
6f3a6000-6f3bc000 r--p 00225000 fd:01 221 /data/dalvik-cache/arm/system@
[email protected]
6f3bc000-6f4b3000 rw-p 00000000 fd:01 229 /data/dalvik-cache/arm/system@
[email protected]
6f4b3000-6f4c5000 r--p 000f7000 fd:01 229 /data/dalvik-cache/arm/system@
[email protected]
6f4c5000-6f4f6000 rw-p 00000000 fd:01 232 /data/dalvik-cache/arm/system@
[email protected]
6f4f6000-6f4f9000 r--p 00031000 fd:01 232 /data/dalvik-cache/arm/system@
[email protected]
6f4f9000-6f526000 rw-p 00000000 fd:01 235 /data/dalvik-cache/arm/system@
[email protected]
6f526000-6f529000 r--p 0002d000 fd:01 235 /data/dalvik-cache/arm/system@
[email protected]
6f529000-6f57f000 rw-p 00000000 fd:01 240 /data/dalvik-cache/arm/system@
[email protected]
...
QSPD<QJE>NFN w 6TJOHQSPD<QJE>NFN JUJTQPTTJCMFUPSFBEUIFNFNPSZIFMECZUIF QSPDFTTTQFDJpFECZUIFlQJEz w TZTUFNDBMMTDBOCFVTFEUPSFBEUIFNFNPSZ w PQFO SFBE
MTFFL
)PXJUXPSLT w 5IF.FNPSZNBQUFMMTVTXIFSFXFDBOSFBEXSJUF w *UVTFTQSPD<QJE>NFNUPSFBEUIFNFNPSZBOETFBSDIGPSUIF UBSHFUWBMVF w 8IFOUIFUBSHFUWBMVFJTGPVOE JUVTFTQSPD<QJE>NFNUPQBUDIUIF
NFNPSZ
8IBUBSFUIFCFOFGJUTPGJNQMFNFOUJOH VTJOH(PMBOHPOBOESPJEEFWJDFT Photo by Nandhu Kumar on Unsplash
8IBUBSFUIFCFOFGJUTPGJNQMFNFOUJOH VTJOH(PMBOHPOBOESPJEEFWJDFT w &BTZUPQSFQBSF&-'CJOBSJFTGPS"3. w &BTZUPJOWPLFTZTUFNDBMMT w &BTZUPpOEUIFUBSHFUCZUFJOBMBSHFCZUFTFRVFODFRVJDLMZ w &BTZUPEJTUSJCVUFCJOBSJFTCZVTJOH(JU)VC"DUJPOTBOE(P3FMFBTFS
&BTZUPQSFQBSF&-'CJOBSJFTGPS"3. w (PDPNQJMFSTVQQPSUTDSPTTDPNQJMBUJPO w (004 (0"3$)FOWJSPONFOUWBSJBCMFTBSFQSPWJEFEGPSTQFDJGZJOH UIF04BOE$16 $ GOOS=linux GOARCH=arm64
GOARM=7 go build -o medit
&BTZUPJOWPLFTZTUFNDBMMT w 6OJYQBDLBHFXSBQTUIFTZTUFNDBMMTOJDFMZ w &BTZUPJOWPLFUIFTZTUFNDBMMT
&BTZUPGJOEUIFUBSHFUCZUF JOBMBSHFCZUFTFRVFODFRVJDLMZ w "GBTUTUSJOHTFBSDIBMHPSJUINDBMMFEUIF3BCJO,BSQJTVTFEJOTJEF CZUFT*OEFY w 8JUIPVUJNQMFNFOUJOHDPNQMFYBMHPSJUINT *DBORVJDLMZpOEEBUBJO UIFNFNPSZCZTJNQMZVTJOHCZUFT*OEFY
&BTZUPEJTUSJCVUFCJOBSJFT CZVTJOH(JU)VC"DUJPOTBOE(P3FMFBTFS w (JU)VC"DUJPOTBOE(P3FMFBTFSNBLFJUFBTZUP EFWFMPQXJUI(PMBOH w 8IFOBUBHHFEDPNNJUJTVQMPBEFEUP(JU)VC UIFCVJMESVOTWJB (JU)VC"DUJPOTBOE(P3FMFBTFSBVUPNBUJDBMMZSFHJTUFSTUIFCJOBSZUP (JUIVC3FMFBTFT
4VNNBSZ w BQLNFEJUBMMPXTNFNPSZNPEJpDBUJPOTXJUIPVUCZQBTTJOHSPPUJOH EFUFDUJPO w #VUUIFSFJTBOFFEUPDIBOHFUIF"1,UPCFEFCVHHBCMF w (PMBOHJTBVTFGVMMBOHVBHFGPSCVJMEJOH"OESPJEUPPMT w *IPQFBQLNFEJUXJMMCFDPNFUIFEFGBDUPTUBOEBSE
GPSTFDVSJUZUFTUJOH
5IBOL:PV IUUQTHJUIVCDPNBLUTLBQLNFEJU