Simswapping .txt -

If you find long strings of seemingly random characters (e.g., ZmxhZ3tnb29kX2pvYn0= ), decode them to reveal the hidden message.

Look for a log entry like Update Subscriber: IMSI Changed or MSISDN Port Success . The timestamp of this event usually marks the start of the compromise.

To solve this challenge, you typically look for these specific "red flags" within the text: simswapping .txt

Once you correlate the unauthorized SIM activation with the subsequent account takeover (often seen in logs as a password reset for a crypto wallet or email), the flag is typically found in the final log entry or as a result of decoding a specific string found in the "Success" message. CTF{SIM_SWAP_DTECTED_2024} (Example)

To avoid real-world SIM swapping, use app-based authenticators (like Google Authenticator) or hardware keys (like YubiKey) instead of SMS-based two-factor authentication. If you find long strings of seemingly random characters (e

Chat logs or emails between a malicious actor and a telecom representative.

Records of Multi-Factor Authentication (MFA) codes being intercepted after the swap occurred. 2. Key Findings To solve this challenge, you typically look for

Searching for keywords like CTF{ , flag , or key .