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Project recovering #7

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mirco-salvador2012 opened this issue Jul 9, 2021 · 1 comment
Open

Project recovering #7

mirco-salvador2012 opened this issue Jul 9, 2021 · 1 comment

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@mirco-salvador2012
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I built an icsref environment on Ubuntu desktop 16.04 lts and all went good. The problem is that running analyze on a real Wago 750-881 prg file never end. System uptime is more than one day with this result log:

/ _/ ___/ // __ / / /
/ // / _
/ /
/ / / / /
/ // /
/ / , / // /
/
/_
//
/
/ |
/_____/
/

author: Tasos Keliris (@koukouviou)
Type if you need a nudge
reversing@icsref:$ history
reversing@icsref:$ analize /home/clientsam/ICSREF/PLC/default.prg
*** Unknown syntax: analize /home/clientsam/ICSREF/PLC/default.prg
reversing@icsref:$ analyze /home/clientsam/ICSREF/PLC/default.prg
Working on /home/clientsam/ICSREF/PLC/default.prg.
DONE: Hexdump generation
DONE: Header analysis
DONE: String analysis
DONE: I/O analysis
DONE: Find function boundaries
(and nothing more)

Given command was: analyze /home/clientsam/ICSREF/PLC/default.prg
default.prg is coming from wago plc memory by ftp get.
It seems that program is locked in an endless loop, and top reveals CPU is 100% most of the time running python command.
Can you give any suggestion?

Many thanks

@CedArctic
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@mirco-salvador2012 This seems to happen due to an issue with the latest version of radare2. Uninstalling the latest version and installing v3.1.3 might help. See PR #8 for more details.

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