GPL NETBIOS SMB CoGetInstanceFromFile unicode little endian andx attempt

flow:established,to_server;
flowbits:isset,dce.isystemactivator.bind;
content:"|00|"; depth:1;
content:"|FF|SMB"; within:4; distance:3;
pcre:"/^(\x75|\x2d|\x2f|\x73|\xa2|\x2e|\x24|\x74)/sR";
byte_test:1,&,128,6,relative;
content:"%"; depth:1; offset:39;
byte_jump:2,0,little,relative;
content:"&|00|"; within:2; distance:29;
content:"|5C 00|P|00|I|00|P|00|E|00 5C 00 00 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 00 5C 00|";
byte_test:4,>,256,8,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