24h@CTF [Desjardins] École Cyber 1 Writeup
Category
Cryptography
Description
The challenge provides a text file with the following content
[8mL[28m'É[8mc[28mol[8me[28mcy[8mb[28mer[8m [28mes[8mt[28m u[8mn[28m o[8mr[28mga[8mn[28mis[8mm[28me [8mà[28m b[8mu[28mt [8mn[28mon[8m [28mlu[8mc[28mra[8mt[28mif[8m [28mdo[8mn[28mt [8ml[28ma [8mm[28mis[8ms[28mio[8mn[28m e[8ms[28mt [8md[28me [8md[28mév[8me[28mlo[8mp[28mpe[8mr[28m l[8me[28m t[8ma[28mle[8mn[28mt [8me[28mn [8ms[28méc[8mu[28mri[8mt[28mé [8ma[28mu [8mQ[28mué[8mb[28mec[8m.[28m L[8m'[28méq[8mu[28mip[8me[28m e[8ms[28mt [8mc[28mom[8mp[28mos[8mé[28me [8md[28me [8mp[28mer[8ms[28mon[8mn[28mes[8m [28mpa[8ms[28msi[8mo[28mnn[8mé[28mes[8m [28mpa[8mr[28m l[8me[28m d[8mo[28mma[8mi[28mne[8m [28mde[8m [28mla[8m [28msé[8mc[28mur[8mi[28mté[8m [28met[8m [28mde[8m [28ml'[8mé[28mdu[8mc[28mat[8mi[28mon[8m.[28m N[8mo[28mus[8m [28mai[8mm[28mon[8ms[28m t[8mr[28man[8ms[28mme[8mt[28mtr[8me[28m n[8mo[28mtr[8me[28m p[8ma[28mss[8mi[28mon[8m [28met[8m [28mno[8mu[28ms [8md[28mép[8ml[28moy[8mo[28mns[8m [28mbé[8mn[28mév[8mo[28mle[8mm[28men[8mt[28m b[8me[28mau[8mc[28mou[8mp[28m d[8m'[28mef[8mf[28mor[8mt[28ms [8mp[28mou[8mr[28m a[8mc[28mco[8mm[28mpl[8mi[28mr [8mn[28mot[8mr[28me [8mm[28mis[8ms[28mio[8mn[28m. [8mF[28mLA[8mG[28m{d[8mb[28mab[8md[28m60[8m4[28mf4[8m7[28mb0[8ma[28mcd[8m8[28mfd[8m6[28mf4[8m3[28m63[8m2[28m02[8m3[28ma9[8m6[28m}
Writeup
The text contains many terminal control codes, so we can just try to save the file challenge1.txt
and print it in a terminal with
cat challenge1.txt
The command will print
L'colecyber est un organisme but non lucratif dont la mission est de dvelopper le talent en scurit au Qubec. L'quipe est compose de personnes passionnes par le domaine de la scurit et de l'ducation. Nous aimons transmettre notre passion et nous dployons bnvolement beaucoup d'efforts pour accomplir notre mission. FLAG{dbabd604f47b0acd8fd6f43632023a96}
Flag
FLAG{dbabd604f47b0acd8fd6f43632023a96}
If you find errors or you want to contribute to this writeup go to the GitHub repository or contact me opening an issue.