""ET TROJAN Cobalt Strike Malleable C2 (Amazon Profile)""

SID: 2055356

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_20, deployment Perimeter, deployment SSLDecrypt, malware_family Cobalt_Strike, signature_severity Critical, updated_at 2024_08_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation

Reference:

  • md5

  • 1a6ea185317ad4e5b8695e5a7d979f24

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: "/s/ref=nb_sb_noss_1" Depth: 19

  • Value: "skin|3d|noskin|3b|session|2d|token|3d|" Depth: 26

  • Value: "|3d|csm|2d|hit|3d|s|2d|24KU11BB82RZSYGJ3BDK|7c|1419899012996|0d 0a|"

Within:

PCRE: "/|3d|csm|2d|hit|3d|s|2d|24KU11BB82RZSYGJ3BDK|7c|1419899012996$/C"

Special Options:

  • http_method

  • http_uri

  • http_cookie

  • http_header

  • fast_pattern

source