GPL NETBIOS SMB-DS CoGetInstanceFromFile little endian attempt

flow:established,to_server;
flowbits:isset,dce.isystemactivator.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:"|04 00|"; within:2; distance:19;
content:"|5C 5C|";
byte_test:4,>,256,6,little;

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.isystemactivator.bind
  • GPL NETBIOS SMB ISystemActivator bind attempt
  • GPL NETBIOS SMB ISystemActivator unicode little endian bind attempt
  • GPL NETBIOS SMB-DS ISystemActivator bind attempt
  • GPL NETBIOS SMB-DS ISystemActivator little endian bind attempt
  • GPL NETBIOS SMB-DS ISystemActivator unicode bind attempt
  • GPL NETBIOS SMB-DS ISystemActivator unicode little endian bind attempt
  • GPL NETBIOS SMB ISystemActivator little endian bind attempt
  • GPL NETBIOS SMB ISystemActivator unicode bind attempt
  • GPL NETBIOS DCERPC IActivation bind attempt
  • GPL NETBIOS DCERPC IActivation little endian bind attempt
  • GPL NETBIOS SMB ISystemActivator andx bind attempt
  • GPL NETBIOS SMB ISystemActivator little endian andx bind attempt
  • GPL NETBIOS SMB ISystemActivator unicode andx bind attempt
  • GPL NETBIOS SMB ISystemActivator unicode little endian andx bind attempt
  • GPL NETBIOS SMB-DS ISystemActivator andx bind attempt
  • GPL NETBIOS SMB-DS ISystemActivator little endian andx bind attempt
  • GPL NETBIOS SMB-DS ISystemActivator unicode andx bind attempt
  • GPL NETBIOS SMB-DS ISystemActivator unicode little endian andx bind attempt