""ET TROJAN Cobalt Strike Malleable C2 (MSNBC Video Profile)""

SID: 2055379

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_08_21, deployment Perimeter, malware_family Cobalt_Strike, confidence Medium, signature_severity Critical, updated_at 2024_08_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "|2f|z|2f|msnbc2|5f|live01" Depth: 16

  • Value: "|3a 20|ShockwaveFlash"

  • Value: "Referer|3a 20|http|3a 2f 2f|player|2e|theplatform|2e|com"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source