From 9019369b0d568c6e8f52db4a09738c31cf18186c Mon Sep 17 00:00:00 2001 From: Eggert Jung Date: Tue, 6 Jan 2026 08:31:18 +0100 Subject: [PATCH] 4 --- 4/level4/flag.txt | 1 + 4/level4/input.txt | Bin 0 -> 129 bytes 4/level4/level4 | Bin 0 -> 16928 bytes 4/level4/level4.c | 19 +++++++++++++++++++ 4 files changed, 20 insertions(+) create mode 100644 4/level4/flag.txt create mode 100644 4/level4/input.txt create mode 100755 4/level4/level4 create mode 100644 4/level4/level4.c diff --git a/4/level4/flag.txt b/4/level4/flag.txt new file mode 100644 index 0000000..edd5b55 --- /dev/null +++ b/4/level4/flag.txt @@ -0,0 +1 @@ +hacklab{thanks_mario_but_the_flag_is_on_another_server} diff --git a/4/level4/input.txt b/4/level4/input.txt new file mode 100644 index 0000000000000000000000000000000000000000..55f585fbb90311db82104e76f9611f17bf453598 GIT binary patch literal 129 zcmc~uOwP_pOsdW^E{{(($;mOyOOH=B$SX6>D>2N^D^`pzkMs%4O7$wLbr8yKJ{Aq#^nkzZ6L?JCFFIU!)eA1@H3gvu8u4e13Mvgg>&x^faX#6Z=C_1Sl}Pd(q6 zyFIWGp+PAT2e{-*+f<@eP^n5kHI+)0(h3rp5|B_8Dz!xd)D()ElopJEDykZ;@6Eh- z-d&%i7FGRF?VNVsyx;pXGjC@1c6MjJ*4@_=4uwEc7;XjPj>Sv`=`+CK&5C6#0hfRY zZEy`NMPvycrjiiVIiatGwLoYS>qU@~T`Of2H9hny#Q_MF8WJVD`DAid)AJ3Q6$&xU zlbsSV58OVXzv6ldb=#@(4DAODQ)iey%@q^swxig@;#xg+tF{xG;PM8UiXE|JXRw{Y zc0x~cc|s+gR7W}z9M43=M2>h(4Pr1E>I~qwyOZtiWPPDstS^+xpmf_iPWsc7*DrR4 zasvsDqtHGLgHS2&i)cr2`FE3a^Byj5v3{5hX^%pgh4s1Y(B@6+bLsY6Hea4>pG<6S z-@GYaD#SM`1F9F5L1Svit^vS)J3$zSQT4^8%#-}>0|$S*@jE-;9DC*W$Ir}uc-;-p zd{60<4=R&%D3QGk3F0Z=hzIHD_8V{@6jK=W;kv6IyJ~bGCCx>|o0cQH!V4+x`bBVR zT|NEF7Qy=wH}LSM8xg4Ihpy)qSPlKAsZ3-XQUeGd^x=U0Fic_J3=?Ii1SKb(&BMrO zM&}D<2TD^VCo>MEjC0RWc?4{mOze`ADmwOf3bl9i^>%KzH^w){Z$jzlcp=YHo2n4z zpX5}vFy8djeN0Gsb#@tPbZIfnZZlPm`b7Gifb%Y#Z$(N^+DjPqrzB}F;SvjywQ?M! z??vBm;b8%hu65yZ&5*dmh5sklkIQwC4I&UkAc#N^fgl1w1cC?z5%@ofz=zG({KGo< z*Cy-HhI8uytcOlG;p%DY;0sMNs+HB7-a>e;dc)gDn%jW%$4D}F?vK@K^|0dUL3!@n zt2Le;Oy|y>tnu`KJa_IV!lSqEDsT8OP4>ut)5lNy_=nv5hQIYzUcJkzyk#By(`^6V z-cu)ztuVnlb<$Mi)H5w6R9CG)laEyWW=7)8ZC}Sa031GU;RCU?mCnw};{;KYmpxBF z^~}iOnUQ(r<~9?aQ~D3Sr$}YiI{Dr<>*V=}6?)Nn^%JM1=An^2`0c5E2ew|I*?f8B zfK_?t?0p!97aQJ1B(!g4L3yPA?jv+2W$c-lRoQ>udbInzRXKI`*Pmd>U!HM^J1YC% zuqx%#*nbbA%b!z=o~8IdM>(>27Hv>ksxN(lq|;j)q5x+HmFB8m)U>9%&pc;hzmkVB ztrH@h&tqOS`sJDCHtxUV9evYVXFdavyuG*byW~J`<>TbuWaXa&)^z(%5x%W&-31zB zXCJ?Sg`K<*aoRS#-rRP8YS>qq>#MxiRrzzWdg&jmgEJv(%bVrD(D?iEzT{Vu`;vDh zZFfwm=`=Els&QKzspKt4K?H&b1Q7@#5JVt|KoEf-0zm|V2m}!bBCuElLh1`6!1|$V zetl^S?ifosM!H~370SlFsk~!21;a_@zG|d~@LSt9=$y*n^bqH+S4M83Z?yEy>g@YC zD@B@^)pNs1r1Xy9X{7ffz3YQ&^)%A`NN15Y%~h*0oLf#Jy_4P@V4`oOltTCIfzV_u zbmhg3O@~nyLyW!|HlZ(^&;xWe#t7@cV+~^RjcpBy@aV_7^dp66tS8#~h34h=HXVR% zt8c#Xvumy+n99lFF^PI6Qb|+>y&^b-KHCWFj>Zm!w_mdKcB}}pB!3Ezhfsb9X-yv9 zuN0{47x0)xd4}XY(b(hR-e~JLBHdAAdP#S5?PCpH(T+n)t!Uz4#e5B(Y%V1$Upw1 zS|I*t#3Z8EY$H9o#3Yv2zyiF)@{1G-pq6rCp4PikYSjc*F%?oTj4)t*+?$B(~?m$>3|QSrcXHvgXySy%2a zu!H;8WZKVkkf~pP$M)?v8*2xK%6X@3Y>97*ceHOPD{jLB8$041o8lYSY20tQkdNSK zYvulROC#7@iMn_MWWBmqe+k@QSHGb)zP$QNYvam`H`d0V7suYO({B-22GZYN{fj`x zjTc`IN9y{)tF2DFBe?s*sEbEoqAuQC+t1-GH&(lDy?6`M_Bpr&5m-@MukV6!{qstA z*f8CY%17{Ri`)m?!U$fKa{YVp%b?zPjKJl!_10c}yvq1G_TpDSqAota?%b;{cd2=l zuFoa#L3JL{IlBLap&4dU&C9y~&I;xmpo zl`HpW(xo(oN2pGmk04&J{)@HiN#$oHJaw&!Id7`x=f_Ir(gpo^0`U+m?8lc`-#;GS zQ24@e^}h16uzwq{0V^;LwBm=7ydztMc)fiEKS11oh2vqJ@}pdMPPechS(h*O_g#p` z&=0Kxa;IkU6JB^74Jbb?&}3+R@w1Qg-3~Z^_aZpG1Ffh3eZ;9g{&9W`aifm^=MirS zUxAm4>5;xdIR4~%U&7MY5vMqt9B1`T6J_r*{w*Ho>Rl<~zrZ7g<9Wj8|9#RAH^Uje zUZlT%#D0!3zMji%3~N9BIIl#U>O*V0D5-a_NLv-IAkV2CacZyM&pWC6m4hR9?li=nG$XsNf+$VTwy4cv(rwYSh7>)Nf<7SPvkOACLK?7 zY~D~`$sWn(vv#UjOikIDyi=Tlkz#5*W2ejG<5Otj;%wA(JgT|OJ(=7ltdwo{>`CtI zw!3$A**0<>%{16uU)q)2*}L5NsNxs%+d1>1}nx4k@P%6`c;qR3S4p91&#?B#j%ex8UJqR7;5e+S}!$2o%3 z|7gTinn&4wE!!<+>aTwaahel}z08|lV*A(Fj@n3Z7JK~XRVj;SQWbldhaKgL%DhW! zYafy)dN&?4=Mnqb^D_St$bXyEU-X1Nfc7+p5?-FGTiM<~IVFGnH3~3|8LFz-%ky`F z?FU&=%J;Yb+ic&-dh(opq>eqs%y0iBViZ^L5Bz_Jf0iowpFI8j|Af!pV0(k@`?Z_e znPG7cKlItl{9u9=&6=go`0bDR?B)OZ7%MhNVA+q@i`$?1?BzYdaqf6|e<1q)_WzRY zYsDC*Ry8!aNt4=H;xE7pn4$QKz3eki7+RxGliJx|{%=s?wwHO%!-h67Na#xb^6B}O z<_3JZ)#gL8AK9-jywI~~+w8KJc~h(U3O_&IP(>xN6Z#RNH1?!?nP18N^3z;@x_&5$ zo%G`c#7IT#W#8*8Kd^}&*-{dFp?JRaem;3DHc{kCaO%^L( z9JZi6`I7p}K3t3K4N+w3_jehW&+0X8vB%}@o +#include + +const char command[] = "/bin/sh"; + +void win(const char *cmd) { system(cmd); } + +int main(int argc, char **argv) { + // Disable output buffering. Not part of the challenge. + setvbuf(stdout, NULL, _IONBF, 0); + setvbuf(stdin, NULL, _IONBF, 0); + + char buffer[32]; + puts("What do you want to talk about?"); + fgets(buffer, 320, stdin); + puts("Bye."); + return 0; +}