Military Spy

Challenge Description

My Indian friend is a spy in US military, he wants to send secret message to me.

Help me decrypt his message.

Flag format: xCTF{SECRET_MESSAGE}

Attached files

• secret_message.wav

Solution

• Using morse code decoder, we get the following message:

S3CR3TM355AG3F0RYCF

msg

• Adding underscores to the message, we get the flag:

FLAG

xCTF{S3CR3T_M355AG3_F0R_YCF}