OSINT: Social Trail

• Category: OSINT
• Difficulty: Medium
• Goal: Correlate public breadcrumbs to discover a hidden handle and extract the flag.

Scenario

A user named “Kay” posted a photo of a laptop with a sticker partially showing @kay_ and a skyline. In another forum, they mentioned loving “blue bird logos” and a codec named Opus while traveling to DXB.

Task

• Find the likely platform they used and the handle pattern.
• Use advanced search queries to discover the full handle.
• When you find the correct profile, the bio contains the flag.

Hints

• Try site-specific searches: site:twitter.com kay skyline opus DXB or synonyms.
• Consider that the handle could be @kay_ops or @kay_opus variations.
• Cross-validate with image or location context.

Expected approach

• Use search operators and context clues to pivot.
• Find profile with bio: Field ops // codec:opus // flag{open_sources_open_doors}.

Solution (expand to view)

Show solution

• Use search: site:x.com kay skyline opus DXB (Twitter/X).
• Identify handle @kay_opus with matching hints.
• Bio includes: flag{open_sources_open_doors}.