""ET TROJAN Mocelpa Client Hello CnC Beacon""

SID: 2021379

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_07_06, deployment Perimeter, signature_severity Major, tag c2, updated_at 2015_07_06, 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: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16 03 01|" Depth: 3

  • Value: "|54 b4 c9 7b|"

  • Value: "|00 00 00 12 00 10 00 00 0d|www.apple.com"

Within:

PCRE:

Special Options:

source