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Installing Checksec



$ CHECKSEC_STABLE=$(curl -s https://api.github.com/repos/slimm609/checksec.sh/releases/latest | awk '/"tag_name"/{ print $2 }' | sed 's/"//g;s/,//')
$ curl -s -o checksec https://raw.githubusercontent.com/slimm609/checksec.sh/${CHECKSEC_STABLE}/checksec
$ curl -s -o checksec.sig https://raw.githubusercontent.com/slimm609/checksec.sh/${CHECKSEC_STABLE}/checksec.sig
$ curl -s -o checksec.pub https://raw.githubusercontent.com/slimm609/checksec.sh/${CHECKSEC_STABLE}/checksec.pub
$ openssl dgst -sha256 -verify checksec.pub -signature checksec.sig checksec
Verified OK
$ chmod u+x checksec
checksec --file=vuln

checksec --file=/bin/sh

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