""ET TROJAN Gh0st Variant CnC Domain in DNS Lookup (dexercisep .com)""

SID: 2031556

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_01_26, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_01_26

Reference:

  • md5

  • cd14c71626f022781cfd2192bd8b454e

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: "|03|www|0a|dexercisep|03|com|00|"

Within: 20

PCRE:

Special Options:

  • nocase

  • fast_pattern

source