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Justin 3

Challenge:

Justin only gave us this camera's live feed and said "Hey guys look! I'm on TV!" Can you find the name of the street he's on?

format: UMDCTF-{Memory_Lane}

we do not own any IP found besides the one listed below

curl http://chals5.umdctf.io:8000

Solution:

We’re presented with a live video feed of a bus stop. We can see a map and a lot Russian writing, possibly even the name of the station:

Round and Round

As it gets later, the camera feed gets harder to parse, switching from color to black and white and back as the ambient light fluctuates. Thankfully, we have all we need in the screenshot we captured.

The clearest word above the map is “Советская”, which translates to “Soviet”. We also see “Совет” at the top, which is “advice” or “tip”. We can try to have Google help us by autocompleting what we know:

Interesting

If we try “Советская пл…”, we see a number of results for “Советская площадь”, or “Soviet Square”.

When a bus stops, we can catch a glimpse of a logo:

Up and Down

It’s tough to make out, but Google autocomplete fills it in for us: “транспорт башкортостана”, “Transport Bashkortostan”. So we know that we’re looking in Bashkortostan, and probably in the capital city of Уфа (Ufa).

If we look closely at the map, we can clearly see a park:

Blurry, but it'll do.

Searching Ufa for a park with a similar pattern, we find Cад Александра Матросова:

Green

The red indicator on the map points to our flag: UMDCTF-{Ulitsa_Pushkina}.