""ET TROJAN APT-C-48 Related CnC Domain in DNS Lookup (nitb .pk-gov .org)""

SID: 2033726

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_08_13, deployment Perimeter, signature_severity Major, updated_at 2021_08_13

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: "|04|nitb|06|pk-gov|03|org|00|"

Within: 17

PCRE:

Special Options:

• nocase

• fast_pattern

source