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
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 @Black Hat USA 2020 Arsenal/apk-medit-bh2020-usa
tkmru
0
4.5k
Other Decks in Programming
See All in Programming
Creating Composable Callables in Contemporary C++
rollbear
0
150
技術的負債解消で開発者の未来を開く- AIの力でコード刷新
kmd2kmd
0
110
[2026年度第1回ORセミナー] 計画最適化ベンチャーと競技プログラミング人材
terryu16
0
270
Vite+ Unified Toolchain for the Web
naokihaba
0
320
DynamoDBには集計系のクエリがないけどなんとかしたい
musan
1
180
決定論的オーケストレーションの設計と実装 / Design and Implementation of Deterministic Orchestration
nrslib
4
1.4k
A2UI という光を覗いてみる
satohjohn
1
140
Claspは野良GASの夢をみるか
takter00
0
200
ユニットテストの先へ：テスト技法で要求・仕様を整理するJava開発実践 / Beyond_Unit_Testing_Practical_Java_Development_Techniques_for_Organizing_Requirements_and_Specifications
shimashima35
0
410
さぁV100、メモリをお食べ・・・
nilpe
0
150
代数的データ型って何が嬉しいの？ #frontend_phpcon_do
kajitack
8
3.7k
The ROI of Quarkus for Spring Boot Applications
hollycummins
0
120
Featured
See All Featured
Between Models and Reality
mayunak
4
340
The Hidden Cost of Media on the Web [PixelPalooza 2025]
tammyeverts
2
330
The Illustrated Children's Guide to Kubernetes
chrisshort
51
52k
Redefining SEO in the New Era of Traffic Generation
szymonslowik
1
340
職位にかかわらず全員がリーダーシップを発揮するチーム作り / Building a team where everyone can demonstrate leadership regardless of position
madoxten
62
54k
A Modern Web Designer's Workflow
chriscoyier
698
190k
Navigating the moral maze — ethical principles for Al-driven product design
skipperchong
2
390
How to Get Subject Matter Experts Bought In and Actively Contributing to SEO & PR Initiatives.
livdayseo
0
140
Rebuilding a faster, lazier Slack
samanthasiow
85
9.5k
The Spectacular Lies of Maps
axbom
PRO
1
820
What Being in a Rock Band Can Teach Us About Real World SEO
427marketing
0
260
Site-Speed That Sticks
csswizardry
13
1.2k
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 pOE WBMVF TFBSDIUIFTQFDJpFEJOUFHFSWBMVFJONFNPSZ w pMUFS WBMVF pMUFSTFBSDISFTVMUTVTJOHUIFTQFDJpFEWBMVF
w QBUDI WBMVF XSJUFUIFTQFDJpFEWBMVFUPUIFBEESFTTGPVOECZUIF 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
tkmru
rollbear
kmd2kmd
terryu16
naokihaba
musan
nrslib
satohjohn
takter00
shimashima35
nilpe
kajitack
hollycummins
mayunak
tammyeverts
chrisshort
szymonslowik
madoxten
chriscoyier
skipperchong
livdayseo
samanthasiow
axbom
427marketing
csswizardry
