""ET EXPLOIT Possible ETERNALBLUE MS17-010 Echo Response""

SID: 2024218

Revision: 3

Class Type: trojan-activity

Metadata: attack_target SMB_Server, created_at 2017_04_17, deployment Internal, signature_severity Critical, updated_at 2017_11_27

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: 445

Destination Network: any

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "|00 00 00 31 ff|SMB|2b 00 00 00 00 98 07 c0|" Depth: 16

  • Value: "|4a 6c 4a 6d 49 68 43 6c 42 73 72 00|"

Within:

PCRE:

Special Options:

  • fast_pattern

source