SID: 2035914

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_04_13, deployment Perimeter, malware_family Cobalt_Strike, signature_severity Major, updated_at 2022_04_13

Reference:

  • md5

  • 199369f6b6eba1147d7e1bca208d6dab

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|mail|0c|igov-service|03|net|00|"

Within: 23

PCRE:

Special Options:

  • nocase

  • fast_pattern

source