Featured image of post SUN CTF 2025: SOC Shift

SUN CTF 2025: SOC Shift

Filtering 10,000 rows of SIEM logs down to a single Malaysian entry and decoding the base64 payload hiding in it.

Challenge : SOC Shift

Open excel file, have like 10,000 lines . Filter by country ISO code MY

Screenshot 1

Find sus base64 , go cyberchef Screenshot 2 Me get flag, me happy ;D

sunctf25{S1EM_b4s1cs_f0r_l0g_4n4Lys1s!}

Writeups are published after the CTF ends.
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