title: nginx logs from AWS say "HELP...batman"?
body: <p>I'm looking through my nginx logs, and I see some really odd stuff.</p>
  
  <pre><code>2019/10/19 05:44:17 [warn] 30490#0: *6309 using uninitialized "year" variable while logging request, client: xx.xx.xxx, server: , request: "Gh0st��x�KS``�����Č@�Q���    H��e&amp;�*$&amp;g+2���00��rc��\`&amp;��K7��n9�n;�3��sch�^�4'J����0Ñh]&amp;��ΗS�A4L?2=�Ē�@�`T��]"
  2019/10/19 05:44:17 [warn] 30490#0: *6309 using uninitialized "month" variable while logging request, client: xx.xx.xxx, server: , request: "Gh0st��x�KS``�����Č@�Q���   H��e&amp;�*$&amp;g+2���00��rc��\`&amp;��K7��n9�n;�3��sch�^�4'J����0Ñh]&amp;��ΗS�A4L?2=�Ē�@�`T��]"
  2019/10/19 05:44:17 [warn] 30490#0: *6309 using uninitialized "day" variable while logging request, client: xx.xx.xxx, server: , request: "Gh0st��x�KS``�����Č@�Q��� H��e&amp;�*$&amp;g+2���00��rc��\`&amp;��K7��n9�n;�3��sch�^�4'J����0Ñh]&amp;��ΗS�A4L?2=�Ē�@�`T��]"
  2019/10/19 05:44:17 [warn] 30490#0: *6309 using uninitialized "hour" variable while logging request, client: xx.xx.xxx, server: , request: "Gh0st��x�KS``�����Č@�Q���    H��e&amp;�*$&amp;g+2���00��rc��\`&amp;��K7��n9�n;�3��sch�^�4'J����0Ñh]&amp;��ΗS�A4L?2=�Ē�@�`T��]"
  2019/10/19 05:44:17 [warn] 30490#0: *6310 using uninitialized "year" variable while logging request, client: xx.xx.xxx, server: , request: "145.ll|'|'|SGFjS2VkX0Q0OTkwNjI3|'|'|WIN-JNAPIER0859|'|'|JNapier|'|'|19-02-01|'|'||'|'|Win 7 Professional SP1 x64|'|'|No|'|'|0.7d|'|'|..|'|'|AA==|'|'|112.inf|'|'|SGFjS2VkDQoxOTIuMTY4LjkyLjIyMjo1NTUyDQpEZXNrdG9wDQpjbGllbnRhLmV4ZQ0KRmFsc2UNCkZhbHNlDQpUcnVlDQpGYWxzZQ==12.act|'|'|AA=="
  2019/10/19 05:44:17 [warn] 30490#0: *6310 using uninitialized "month" variable while logging request, client: xx.xx.xxx, server: , request: "145.ll|'|'|SGFjS2VkX0Q0OTkwNjI3|'|'|WIN-JNAPIER0859|'|'|JNapier|'|'|19-02-01|'|'||'|'|Win 7 Professional SP1 x64|'|'|No|'|'|0.7d|'|'|..|'|'|AA==|'|'|112.inf|'|'|SGFjS2VkDQoxOTIuMTY4LjkyLjIyMjo1NTUyDQpEZXNrdG9wDQpjbGllbnRhLmV4ZQ0KRmFsc2UNCkZhbHNlDQpUcnVlDQpGYWxzZQ==12.act|'|'|AA=="
  2019/10/19 05:44:17 [warn] 30490#0: *6310 using uninitialized "day" variable while logging request, client: xx.xx.xxx, server: , request: "145.ll|'|'|SGFjS2VkX0Q0OTkwNjI3|'|'|WIN-JNAPIER0859|'|'|JNapier|'|'|19-02-01|'|'||'|'|Win 7 Professional SP1 x64|'|'|No|'|'|0.7d|'|'|..|'|'|AA==|'|'|112.inf|'|'|SGFjS2VkDQoxOTIuMTY4LjkyLjIyMjo1NTUyDQpEZXNrdG9wDQpjbGllbnRhLmV4ZQ0KRmFsc2UNCkZhbHNlDQpUcnVlDQpGYWxzZQ==12.act|'|'|AA=="
  2019/10/19 05:44:17 [warn] 30490#0: *6310 using uninitialized "hour" variable while logging request, client: xx.xx.xxx, server: , request: "145.ll|'|'|SGFjS2VkX0Q0OTkwNjI3|'|'|WIN-JNAPIER0859|'|'|JNapier|'|'|19-02-01|'|'||'|'|Win 7 Professional SP1 x64|'|'|No|'|'|0.7d|'|'|..|'|'|AA==|'|'|112.inf|'|'|SGFjS2VkDQoxOTIuMTY4LjkyLjIyMjo1NTUyDQpEZXNrdG9wDQpjbGllbnRhLmV4ZQ0KRmFsc2UNCkZhbHNlDQpUcnVlDQpGYWxzZQ==12.act|'|'|AA=="
  2019/10/19 05:44:17 [warn] 30490#0: *6311 using uninitialized "year" variable while logging request, client: xx.xx.xxx, server: , request: "Htj��#D�+��l�׍��Jn��xu[l�E-j��xL�r�u�%�Rtgfv�]%̀�Ϯ��fȍD�    �"
  2019/10/19 05:44:17 [warn] 30490#0: *6311 using uninitialized "month" variable while logging request, client: xx.xx.xxx, server: , request: "Htj��#D�+��l�׍��Jn��xu[l�E-j��xL�r�u�%�Rtgfv�]%̀�Ϯ��fȍD�   �"
  2019/10/19 05:44:17 [warn] 30490#0: *6311 using uninitialized "day" variable while logging request, client: xx.xx.xxx, server: , request: "Htj��#D�+��l�׍��Jn��xu[l�E-j��xL�r�u�%�Rtgfv�]%̀�Ϯ��fȍD� �"
  2019/10/19 05:44:17 [warn] 30490#0: *6311 using uninitialized "hour" variable while logging request, client: xx.xx.xxx, server: , request: "Htj��#D�+��l�׍��Jn��xu[l�E-j��xL�r�u�%�Rtgfv�]%̀�Ϯ��fȍD�    �"
  2019/10/19 05:44:17 [warn] 30490#0: *6312 using uninitialized "year" variable while logging request, client: xx.xx.xxx, server: , request: "HELP"
  2019/10/19 05:44:17 [warn] 30490#0: *6312 using uninitialized "month" variable while logging request, client: xx.xx.xxx, server: , request: "HELP"
  2019/10/19 05:44:17 [warn] 30490#0: *6312 using uninitialized "day" variable while logging request, client: xx.xx.xxx, server: , request: "HELP"
  2019/10/19 05:44:17 [warn] 30490#0: *6312 using uninitialized "hour" variable while logging request, client: xx.xx.xxx, server: , request: "HELP"
  2019/10/19 05:44:17 [warn] 30490#0: *6313 using uninitialized "year" variable while logging request, client: xx.xx.xxx, server: , request: "�հ]�ē�0�X�ڱ׬�n�3*��'��k��"
  2019/10/19 05:44:17 [warn] 30490#0: *6313 using uninitialized "month" variable while logging request, client: xx.xx.xxx, server: , request: "�հ]�ē�0�X�ڱ׬�n�3*��'��k��"
  2019/10/19 05:44:17 [warn] 30490#0: *6313 using uninitialized "day" variable while logging request, client: xx.xx.xxx, server: , request: "�հ]�ē�0�X�ڱ׬�n�3*��'��k��"
  2019/10/19 05:44:17 [warn] 30490#0: *6313 using uninitialized "hour" variable while logging request, client: xx.xx.xxx, server: , request: "�հ]�ē�0�X�ڱ׬�n�3*��'��k��"
  2019/10/19 05:44:18 [warn] 30490#0: *6314 using uninitialized "year" variable while logging request, client: xx.xx.xxx, server: , request: "batman"
  2019/10/19 05:44:18 [warn] 30490#0: *6314 using uninitialized "month" variable while logging request, client: xx.xx.xxx, server: , request: "batman"
  2019/10/19 05:44:18 [warn] 30490#0: *6314 using uninitialized "day" variable while logging request, client: xx.xx.xxx, server: , request: "batman"
  2019/10/19 05:44:18 [warn] 30490#0: *6314 using uninitialized "hour" variable while logging request, client: xx.xx.xxx, server: , request: "batman"
  </code></pre>
  
  <p>My guess is that somebody is sending malicious packets.  Is this something I should be concerned about, and what should I do about it?</p>
  
  <p>The scary piece to me is: "Gh0st��x�KS"</p>