""ET TROJAN Successful Cobalt Strike Shellcode Download (x64) M1""

SID: 2035442

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_03_11, deployment Perimeter, malware_family Cobalt_Strike, signature_severity Major, updated_at 2023_04_04, reviewed_at 2023_10_16

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "|fc 48 83 e4 f0 eb 33 5d 8b 45 00 48 83 c5 04 8b|" Depth: 16

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source