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Attack and defense world ditf Misc

The attachment downloaded is a picture , We pull hxd It is found that there should be hidden packets

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We pull into kali Inside analysis

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Unexpectedly, the height of the picture has been modified. Let's use binwalk Analyze the pictures

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We first try to separate a compressed package, but we need a password. If there is a problem with the height, we use hxd Revise it

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Get the password and extract a traffic packet

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Found some http Let's filter the flow

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Found one here png Let's track the flow of documents http flow

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This is obviously a base64 Encryption we decrypt

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obtain flag

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