""ET TROJAN TA456 GrumpyGrocer Related Domain in DNS Lookup (hotjar .info)""

SID: 2033144

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_06_15, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2023_08_25, reviewed_at 2024_04_29

Reference:

• Link

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: "|06|hotjar|04|info|00|"

Within: 7

PCRE:

Special Options:

• fast_pattern

• nocase

source