This is IBM z/OS stuff.
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I... I think the South African government has a mainframe on the internet and it might be serving (parts of?) its OS datasets over HTTP.pic.twitter.com/D9aJZsg51M
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Given other hits this really looks like a complete insecure web interface for all the mainframe storage/facilitiese/etc, and I can find zero hits for it elsewhere, so I think someone over there wrote this bespoke AND LEFT IT ACCESSIBLE OVER THE INTERNET.
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"NATPNTST"?
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Mainframes are still using 8-character dataset names. What, you think they moved on from the 70s?
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z/OS is 32bit? or am I misinterpreting the meaning of that hex dump?
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z/OS is 64-bit these days, but a lot of software is still 31-bit (yes 31-bit is what they had before 64-bit). That hexdump is just grouped in 32-bit blocks though, doesn't mean the code is 31-bit.
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It could be just a honeypot, does it appear on shodan?
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Just- how? What led you to this?
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I Googled the first 4 bytes of a z/OS USS executable because I wanted to see if that magic number was identifiable with a web search... and this was the only hit.
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