Very Important Service. Flag in /opt. nc importantservice.uni.hctf.fun 13375 a30577b33492f15d382ef665ee6abda2.tar.xz a30577b33492f15d382ef665ee6abda2.tar.xz MIRROR Let’s look at the file information first.
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$ file importantservice importantservice: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=384e47753749ac204fb2125a79f489a1ed476104, not stripped |
It is a 64-bit ELF pie executable which is dynamically linked and not stripped. Let’s check its protections.
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$ checksec importantservice Arch: amd64-64-little RELRO: Partial RELRO Stack: Canary found NX: NX enabled PIE: PIE enabled |
The… Continue Reading →
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