""ET TROJAN Andariel Backdoor Activity (Checkin)""

SID: 2034837

Revision: 1

Class Type: attempted-admin

Metadata: attack_target Client_Endpoint, created_at 2021_12_22, deployment Perimeter, malware_family Andariel, signature_severity Major, updated_at 2021_12_22

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "HTTP|20|1.1|20|/member.php=" Depth: 21

  • Value: "SSL3."

Within:

PCRE:

Special Options:

  • fast_pattern

source