SID: 2034736

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_12_15, deployment Perimeter, malware_family Cobalt_Strike, malware_family Cobalt_Strike, malware_family TAG_33, signature_severity Major, updated_at 2021_12_15, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation

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: "|04|news|11|networkslaoupdate|03|com|00|"

Within: 28

PCRE:

Special Options:

  • nocase

  • fast_pattern

source