""ET TROJAN ETag HTTP Header Observed at JPCERT Sinkhole""
SID: 2033103
Revision: 1
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2021_06_07, deployment Perimeter, signature_severity Minor, updated_at 2021_06_07
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
- Value: "ETag|3a 20 22|9-525c24c725e00|22|"
Within:
PCRE:
Special Options:
- http_header