""ET TROJAN Linux/Moose NAT Traversal CnC Beacon - Sleep""

SID: 2021151

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_05_26, deployment Perimeter, signature_severity Major, tag c2, updated_at 2019_05_29, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "|16 00|" Depth: 2

  • Value: !"|04 00|"

  • Value: !"|00 00|"

  • Value: !"|00|"

  • Value: !"|00|"

Within: 1

PCRE:

Special Options:

source