たくさん

N4NU · Feb 20, 2018 · d162250 · d162250
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diff --git a/.gitignore b/.gitignore
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+TODO/
diff --git a/Baby/Internetwache_CTF_2016_File_Checker/File_Checker.7z b/Baby/Internetwache_CTF_2016_File_Checker/File_Checker.7z
diff --git a/Baby/Internetwache_CTF_2016_File_Checker/README.md b/Baby/Internetwache_CTF_2016_File_Checker/README.md
@@ -0,0 +1,13 @@
+# Internetwache CTF 2016 : File Checker
+
+- Points : 60
+- Solves : 190
+- Description :
+```
+Description: My friend sent me this file. He told that if I manage to reverse it, I'll have access to all his devices. My misfortune that I don't know anything about reversing :/
+Attachment: rev60.zip
+```
+
+## [attachment](File_Checker.7z)
+
+## [Write up](writeup.md)
diff --git a/Baby/Internetwache_CTF_2016_File_Checker/writeup.md b/Baby/Internetwache_CTF_2016_File_Checker/writeup.md
@@ -0,0 +1,10 @@
+# Write up (Internetwache CTF 2016 : File Checker)
+
+flag : `IW{FILE_CHeCKa}`
+
+## 一言Write up
+1文字ずつ評価して評価結果が全て0の時の入力がflag
+
+## Write up
+
+
diff --git a/Baby/Internetwache_CTF_2016_SPIM/README.md b/Baby/Internetwache_CTF_2016_SPIM/README.md
@@ -0,0 +1,12 @@
+# Internetwache CTF 2016 : SPIM
+
+- Points : 50
+- Solves : 208
+- Description :
+```
+Description: My friend keeps telling me, that real hackers speak assembly fluently. Are you a real hacker? Decode this string: "IVyN5U3X)ZUMYCs"
+```
+
+## [attachment](SPIM.7z)
+
+## [Write up](writeup.md)
diff --git a/Baby/Internetwache_CTF_2016_SPIM/SPIM.7z b/Baby/Internetwache_CTF_2016_SPIM/SPIM.7z
diff --git a/Baby/Internetwache_CTF_2016_SPIM/writeup.md b/Baby/Internetwache_CTF_2016_SPIM/writeup.md
@@ -0,0 +1,9 @@
+# Write up (Internetwache CTF 2016 : SPIM)
+
+flag : `IW{M1P5_!S_FUN}`
+
+## 一言Write up
+MIPSのアセンブリを読む．文字列の文字をそれぞれのindexとxorしてる．
+
+## Write up
+
diff --git a/Baby/Internetwache_CTF_2016_ServerfARM/README.md b/Baby/Internetwache_CTF_2016_ServerfARM/README.md
@@ -0,0 +1,13 @@
+# Internetwache CTF 2016 : ServerfARM
+
+- Points : 70
+- Solves : 156
+- Description :
+```
+Description: Someone handed me this and told me that to pass the exam, I have to extract a secret string. I know cheating is bad, but once does not count. So are you willing to help me?
+Attachment: rev70.zip
+```
+
+## [attachment](ServerfARM.7z)
+
+## [Write up](writeup.md)
diff --git a/Baby/Internetwache_CTF_2016_ServerfARM/ServerfARM.7z b/Baby/Internetwache_CTF_2016_ServerfARM/ServerfARM.7z
diff --git a/Baby/Internetwache_CTF_2016_ServerfARM/writeup.md b/Baby/Internetwache_CTF_2016_ServerfARM/writeup.md
@@ -0,0 +1,10 @@
+# Write up (Internetwache CTF 2016 : ServerfARM)
+
+flag : `IW{S.E.R.V.E.R>=F:A:R:M}`
+
+## 一言Write up
+flagが3つのブロックに分離されて入力のverifyの結果，正しい場合に標準出力に出力される
+
+## Write up
+
+
diff --git a/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_1/Matriochka_-_Step_1.7z b/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_1/Matriochka_-_Step_1.7z
diff --git a/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_1/README.md b/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_1/README.md
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+# Nuit du Hack CTF Quals 2016 : Matriochka - Step 1
+
+- Points : 50
+- Solves : 432
+- Description :
+```
+Can you help me?
+Recently, I found an executable binary.
+As I'm a true newbie,
+Certainly, to solve it, I will have difficulties.
+Keep in mind, the first step is quite easy.
+Maybe the last one will be quite tricky.
+Emulating it could be a good idea.
+The challenge is available at : http://static.quals.nuitduhack.com/stage1.bin
+```
+
+## [attachment](Matriochka_-_Step_1.7z)
+
+## [Write up](writeup.md)
diff --git a/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_1/writeup.md b/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_1/writeup.md
@@ -0,0 +1,9 @@
+# Write up (Nuit du Hack CTF Quals 2016 : Matriochka - Step 1)
+
+flag : `Much_secure__So_safe__Wow`
+
+## 一言Write up
+そのままのkeyと入力をstrcmpで比較している．
+
+## Write up
+
diff --git a/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_2/Matriochka_-_Step_2.7z b/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_2/Matriochka_-_Step_2.7z
diff --git a/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_2/README.md b/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_2/README.md
@@ -0,0 +1,19 @@
+# Nuit du Hack CTF Quals 2016 : Matriochka - Step 2
+
+- Points : 100
+- Solves : 232
+- Description :
+```
+Can you help me?
+Recently, I found an executable binary.
+As I'm a true newbie,
+Certainly, to solve it, I will have difficulties.
+Keep in mind, the first step is quite easy.
+Maybe the last one will be quite tricky.
+Emulating it could be a good idea.
+You must solve step 1 first.
+```
+
+## [attachment](Matriochka_-_Step_2.7z)
+
+## [Write up](writeup.md)
diff --git a/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_2/writeup.md b/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_2/writeup.md
@@ -0,0 +1,9 @@
+# Write up (Nuit du Hack CTF Quals 2016 : Matriochka - Step 2)
+
+flag : `Pandi_panda`
+
+## 一言Write up
+入力を四則演算でverifyしている．
+
+## Write up
+
diff --git a/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_3/Matriochka_-_Step_3.7z b/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_3/Matriochka_-_Step_3.7z
diff --git a/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_3/README.md b/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_3/README.md
@@ -0,0 +1,18 @@
+# Nuit du Hack CTF Quals 2016 : Matriochka - Step 3
+
+- Points : 300
+- Solves : 185
+- Description :
+```
+Recently, I found an executable binary.
+As I'm a true newbie,
+Certainly, to solve it, I will have difficulties.
+Keep in mind, the first step is quite easy.
+Maybe the last one will be quite tricky.
+Emulating it could be a good idea.
+You must solve steps 1 and 2 first.
+```
+
+## [attachment](Matriochka_-_Step_3.7z)
+
+## [Write up](writeup.md)
diff --git a/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_3/writeup.md b/Baby/Nuit_du_Hack_CTF_Quals_2016_Matriochka_-_Step_3/writeup.md
@@ -0,0 +1,9 @@
+# Write up (Nuit du Hack CTF Quals 2016 : Matriochka - Step 3)
+
+flag : `Did_you_like_signals?`
+
+## 一言Write up
+SignalのHandlerがChainして複数の関数で1文字ずつ入力をverifyしている
+
+## Write up
+
diff --git a/Baby/Sharif_University_CTF_2016_Android_App/Android_App.7z b/Baby/Sharif_University_CTF_2016_Android_App/Android_App.7z
diff --git a/Baby/Sharif_University_CTF_2016_Android_App/README.md b/Baby/Sharif_University_CTF_2016_Android_App/README.md
@@ -0,0 +1,13 @@
+# Sharif University CTF 2016 : Android App
+
+- Points : 100
+- Solves : 58
+- Description :
+```
+Find the Flag!!
+Download Sharif_CTF.apk
+```
+
+## [attachment](Android_App.7z)
+
+## [Write up](writeup.md)
diff --git a/Baby/Sharif_University_CTF_2016_Android_App/writeup.md b/Baby/Sharif_University_CTF_2016_Android_App/writeup.md
@@ -0,0 +1,10 @@
+# Write up (Sharif University CTF 2016 : Android App)
+
+flag : `Sharif_CTF{833489ef285e6fa80690099efc5d9c9d}`
+
+## 一言Write up
+MainActivityがlibadnjni.soをロードし，processObjectArrayFromNativeをインポートしている．
+processObjectArrayFromNativeでハードコーディングされた文字列と比較している．
+
+## Write up
+
diff --git a/Baby/Sharif_University_CTF_2016_SRM/README.md b/Baby/Sharif_University_CTF_2016_SRM/README.md
@@ -0,0 +1,14 @@
+# Sharif University CTF 2016 : SRM
+
+- Points : 50
+- Solves : 173
+- Description :
+```
+The flag is : The valid serial number
+
+Download RM.exe
+```
+
+## [attachment](SRM.7z)
+
+## [Write up](writeup.md)
diff --git a/Baby/Sharif_University_CTF_2016_SRM/SRM.7z b/Baby/Sharif_University_CTF_2016_SRM/SRM.7z
diff --git a/Baby/Sharif_University_CTF_2016_SRM/writeup.md b/Baby/Sharif_University_CTF_2016_SRM/writeup.md
@@ -0,0 +1,9 @@
+# Write up (Sharif University CTF 2016 : SRM)
+
+flag : `CZ9dmq4c8g9G7bAX`
+
+## 一言Write up
+Emailは適当なEmailを入力すれば良い．Serialは単純なasciiの比較とSerialのある要素と，ある要素の加算結果の比較などでverifyしている．
+
+## Write up
+
diff --git a/Baby/Sharif_University_CTF_2016_Serial/README.md b/Baby/Sharif_University_CTF_2016_Serial/README.md
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+# Sharif University CTF 2016 : Serial
+
+- Points : 150
+- Solves : 108
+- Description :
+```
+Run and capture the flag!
+
+Download serial
+```
+
+## [attachment](Serial.7z)
+
+## [Write up](writeup.md)
diff --git a/Baby/Sharif_University_CTF_2016_Serial/Serial.7z b/Baby/Sharif_University_CTF_2016_Serial/Serial.7z
diff --git a/Baby/Sharif_University_CTF_2016_Serial/writeup.md b/Baby/Sharif_University_CTF_2016_Serial/writeup.md
@@ -0,0 +1,9 @@
+# Write up (Sharif University CTF 2016 : Serial)
+
+flag : `EZ9dmq4c8g9G7bAV`
+
+## 一言Write up
+anti disassembleが適用されているが，verifyはSharif University CTF 2016 : SRMと同様．
+
+## Write up
+
diff --git a/baby/dMd/dMd.md → .../Sharif_University_CTF_2016_dMd/README.md b/baby/dMd/dMd.md → .../Sharif_University_CTF_2016_dMd/README.md
diff --git a/baby/dMd/dMd.7z → Baby/Sharif_University_CTF_2016_dMd/dMd.7z b/baby/dMd/dMd.7z → Baby/Sharif_University_CTF_2016_dMd/dMd.7z
diff --git a/baby/dMd/writeup.md → ...Sharif_University_CTF_2016_dMd/writeup.md b/baby/dMd/writeup.md → ...Sharif_University_CTF_2016_dMd/writeup.md
@@ -1,6 +1,9 @@
 # Write up (Sharif University CTF 2016 : dMd)
+
+flag : `grape`
+
 ## 一言Write up
 入力のmd5を一文字ずつ比較するだけのバイナリ．md5の結果が分かるので[MD5 Decrypter](http://www.md5online.org)などで元に戻せばフラグが得られる．
 
-## Write un
+## Write up
 
diff --git a/Easy/0CTF_2016_Quals_boomshakalaka/README.md b/Easy/0CTF_2016_Quals_boomshakalaka/README.md
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+# 0CTF 2016 Quals : boomshakalaka
+
+- Points : 3
+- Solves : 35
+- Description :
+```
+play the game, get the highest score
+```
+
+## [attachment](boomshakalaka.7z)
+
+## [Write up](writeup.md)
diff --git a/Easy/0CTF_2016_Quals_boomshakalaka/boomshakalaka.7z b/Easy/0CTF_2016_Quals_boomshakalaka/boomshakalaka.7z
diff --git a/Easy/0CTF_2016_Quals_boomshakalaka/writeup.md b/Easy/0CTF_2016_Quals_boomshakalaka/writeup.md
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+# Write up (0CTF 2016 Quals : boomshakalaka)
+
+flag : `0ctf{C0coS2d_AnDro1d_G0mE_YoU_Kn0w?}`
+
+## 一言Write up
+処理の間々でSharedPreferencesに文字列が書き加えられており，base64でデコードするとflagが得られる．
+
+## Write up
+
+
diff --git a/Easy/SSCTF_2016_Re1/README.md b/Easy/SSCTF_2016_Re1/README.md
@@ -0,0 +1,12 @@
+# SSCTF 2016 : Re1
+
+- Points : 100
+- Solves : 83
+- Description :
+```
+Null
+```
+
+## [attachment](Re1.7z)
+
+## [Write up](writeup.md)
diff --git a/Easy/SSCTF_2016_Re1/Re1.7z b/Easy/SSCTF_2016_Re1/Re1.7z
diff --git a/Easy/SSCTF_2016_Re1/writeup.md b/Easy/SSCTF_2016_Re1/writeup.md
@@ -0,0 +1,9 @@
+# Write up (SSCTF 2016 : Re1)
+
+flag : `SSCTF{oty3eaP$g986iwhw32j%OJ)g0o7J.CG:}`
+
+## 一言Write up
+
+## Write up
+
+
diff --git a/Medium_Easy/0CTF_2016_Quals_momo/README.md b/Medium_Easy/0CTF_2016_Quals_momo/README.md
@@ -0,0 +1,12 @@
+# 0CTF 2016 Quals : momo
+
+- Points : 3
+- Solves : 31
+- Description :
+```
+I think it's hard winning a war with words.
+```
+
+## [attachment](momo.7z)
+
+## [Write up](writeup.md)
diff --git a/Medium_Easy/0CTF_2016_Quals_momo/writeup.md b/Medium_Easy/0CTF_2016_Quals_momo/writeup.md
@@ -0,0 +1,9 @@
+# Write up (0CTF 2016 Quals : momo)
+
+flag : `0ctf{m0V_I5_tUr1N9_c0P1Et3!}`
+
+## 一言Write up
+
+## Write up
+
+
diff --git a/Medium_Easy/Boston_Key_Party_CTF_2016_Jit_in_my_pants/README.md b/Medium_Easy/Boston_Key_Party_CTF_2016_Jit_in_my_pants/README.md
@@ -0,0 +1,12 @@
+# Boston Key Party CTF 2016 : Jit in my pants
+
+- Points : 3
+- Solves : 38
+- Description :
+```
+Because reversing an obfuscated jit'ed virtual machine for 3 points is fun!
+```
+
+## [attachment](Jit_in_my_pants.7z)
+
+## [Write up](writeup.md)
diff --git a/Medium_Easy/Boston_Key_Party_CTF_2016_Jit_in_my_pants/writeup.md b/Medium_Easy/Boston_Key_Party_CTF_2016_Jit_in_my_pants/writeup.md
@@ -0,0 +1,9 @@
+# Write up (Boston Key Party CTF 2016 : Jit in my pants)
+
+flag : `BKPCTF{S1de_Ch4nnel_att4cks_are_s0_1338}`
+
+## 一言Write up
+
+## Write up
+
+
diff --git a/Medium_Easy/PlaidCTF_2016_quick/README.md b/Medium_Easy/PlaidCTF_2016_quick/README.md
@@ -0,0 +1,12 @@
+# PlaidCTF 2016 : quick
+
+- Points : 175
+- Solves : 49
+- Description :
+```
+Why be slow when you can be quick?
+```
+
+## [attachment](quick.7z)
+
+## [Write up](writeup.md)
diff --git a/Medium_Easy/PlaidCTF_2016_quick/writeup.md b/Medium_Easy/PlaidCTF_2016_quick/writeup.md
@@ -0,0 +1,9 @@
+# Write up (PlaidCTF 2016 : quick)
+
+flag : `PCTF{5ur3_a5_5ur3_5w1ft_a5_5w1ft}`
+
+## 一言Write up
+
+## Write up
+
+
diff --git a/Medium_Easy/SSCTF_2016_Quals_Re2/README.md b/Medium_Easy/SSCTF_2016_Quals_Re2/README.md
@@ -0,0 +1,12 @@
+# SSCTF 2016 Quals : Re2
+
+- Points : 200
+- Solves : 53
+- Description :
+```
+Do You Like Bad Apple
+```
+
+## [attachment](Re2.7z)
+
+## [Write up](writeup.md)
diff --git a/Medium_Easy/SSCTF_2016_Quals_Re2/writeup.md b/Medium_Easy/SSCTF_2016_Quals_Re2/writeup.md
@@ -0,0 +1,9 @@
+# Write up (SSCTF 2016 Quals : Re2)
+
+flag : `JZZZXZYP{8ZBIzPL0HPAFwdqZ{3ZXRad`
+
+## 一言Write up
+
+## Write up
+
+