GPL NETBIOS SMB-DS RemoteActivation attempt

flow:established,to_server;
flowbits:isset,dce.iactivation.bind;
content:"|00|"; depth:1;
content:"|FF|SMB%"; within:5; distance:3;
byte_test:1,!&,128,6,relative;
content:"&|00|"; within:2; distance:56;
content:"|5C|PIPE|5C 00|"; distance:4; nocase;
byte_jump:2,-17,relative,from_beginning,little;
isdataat:4,relative;
content:"|05|";
byte_test:1,!&,16,3,relative;
content:"|00|"; within:1; distance:1;
content:"|00 00|"; within:2; distance:19;
content:"|5C 5C|";
byte_test:4,>,256,6;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

• correlates · Suricata flowbits dce.iactivation.bind
  • GPL NETBIOS SMB IActivation bind attempt
  • GPL NETBIOS SMB IActivation little endian bind attempt
  • GPL NETBIOS SMB IActivation unicode bind attempt
  • GPL NETBIOS SMB IActivation unicode little endian bind attempt
  • GPL NETBIOS SMB-DS IActivation bind attempt
  • GPL NETBIOS SMB-DS IActivation little endian bind attempt
  • GPL NETBIOS SMB-DS IActivation unicode bind attempt
  • GPL NETBIOS SMB-DS IActivation unicode little endian bind attempt
  • GPL NETBIOS SMB IActivation andx bind attempt
  • GPL NETBIOS SMB IActivation little endian andx bind attempt
  • GPL NETBIOS SMB IActivation unicode andx bind attempt
  • GPL NETBIOS SMB IActivation unicode little endian andx bind attempt
  • GPL NETBIOS SMB-DS IActivation andx bind attempt
  • GPL NETBIOS SMB-DS IActivation little endian andx bind attempt
  • GPL NETBIOS SMB-DS IActivation unicode andx bind attempt
  • GPL NETBIOS SMB-DS IActivation unicode little endian andx bind attempt