solve packets primer

adarah · Jul 12, 2023 · 0a1f3cd · 0a1f3cd
1 parent 92cd598
commit 0a1f3cd
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Showing 4 changed files with 8 additions and 1 deletion.
diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
@@ -7,6 +7,7 @@ SHELL ["/bin/bash", "--login", "-c"]
 
 # Install poetry
 ENV PATH="$HOME/.local/bin:$PATH"
+ENV DEBIAN_FRONTEND=non-interactive 
 RUN curl -sSL https://install.python-poetry.org | python3 -
 # This command is using a separate RUN statemnet to start a new shell
 # which will source ~/.profile and thus obtain access to poetry
@@ -16,4 +17,5 @@ RUN sudo apt-get update && sudo apt-get install -y \
     netcat \
     sleuthkit \
     autopsy \
-    exiftool
+    exiftool \
+    tshark
diff --git a/picoctf/packetsprimer/README.md b/picoctf/packetsprimer/README.md
@@ -0,0 +1,2 @@
+# Packets Primer
+https://play.picoctf.org/practice/challenge/286
diff --git a/picoctf/packetsprimer/network-dump.flag.pcap b/picoctf/packetsprimer/network-dump.flag.pcap
diff --git a/picoctf/packetsprimer/packetsprimer.sh b/picoctf/packetsprimer/packetsprimer.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+tshark -r network-dump.flag.pcap -x -Y frame.number==4 | xxd -r | grep 'p i c o.*' --text -o | tr -d ' '