""ET ICMP_INFO DNSBin Demo (requestbin .net) - Data Exfil""

SID: 2039018

Revision: 3

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2022_09_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_08_25, reviewed_at 2023_11_17

Reference:

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: "|01|"

  • Value: "|0a|requestbin|03|net|00|"

Within: 16

PCRE:

Special Options:

  • fast_pattern

source