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

SID: 2033207

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_06_30, deployment Perimeter, malware_family Lazarus, malware_family Andariel, performance_impact Low, signature_severity Major, updated_at 2021_06_30

Reference:

  • md5

  • c827d95429b644e918d53b24719dbe6e

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|/index.php?member=" Depth: 27

  • Value: "|20|SSL3.3"

Within:

PCRE:

Special Options:

  • fast_pattern

source