""ET TROJAN PlugX DNS Lookup""

SID: 2031520

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_01_12, deployment Perimeter, malware_family PlugX, performance_impact Low, signature_severity Major, updated_at 2021_01_12

Reference:

  • md5

  • a587a2af22c7e18a0260cab5c06d980d

Protocol: udp

Source Network: $HOME_NET

Source Port: any

Destination Network: any

Destination Port: 53

Flow:

Contents:

  • Value: "|01|" Depth: 1 Offset: 2

  • Value: "|00 01 00 00 00 00 00|"

  • Value: "|04|sery|0b|brushupdata|03|com|00|"

Within: 22

PCRE:

Special Options:

  • nocase

  • fast_pattern

source