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Diffstat (limited to '')
| -rw-r--r-- | iv/oc_challs/hertz/README.md | 17 | ||||
| -rw-r--r-- | iv/oc_challs/hertz/sound.flac | bin | 0 -> 1488759 bytes |
2 files changed, 17 insertions, 0 deletions
diff --git a/iv/oc_challs/hertz/README.md b/iv/oc_challs/hertz/README.md new file mode 100644 index 0000000..722bd6d --- /dev/null +++ b/iv/oc_challs/hertz/README.md @@ -0,0 +1,17 @@ +# hertz
+
+## Details
+* points: 8
+* category: forensic
+* author: Anton
+* flags: `cnctf{slow_scan_television_2023}`
+
+## Public description: (empty, just file)
+
+
+## Deployment
+* Players should get `sound.flac`.
+
+## Solution / writeup
+
+This is a SSTV encoded image containing the flag. Use a suitable decoder, such as the Android app "Robot 36" to read the image. For Windows, you can use MMSSTV if I recall correctly.
diff --git a/iv/oc_challs/hertz/sound.flac b/iv/oc_challs/hertz/sound.flac Binary files differnew file mode 100644 index 0000000..768024a --- /dev/null +++ b/iv/oc_challs/hertz/sound.flac |