""ET CURRENT_EVENTS [Fireeye] Backdoor.HTTP.BEACON.[CSBundle NYTIMES Server]""

SID: 2031267

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 2020_12_08, deployment Perimeter, signature_severity Major, tag c2, updated_at 2024_01_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow:

Contents:

  • Value: "HTTP/1." Depth: 7

  • Value: "Accept-Ranges: bytes"

  • Value: "Age: 5806"

  • Value: "Cache-Control: public,max-age=31536000"

  • Value: "Content-Encoding: gzip"

  • Value: "Content-Length: 256398"

  • Value: "Content-Type: application/javascript"

  • Value: "Server: UploadServer"

  • Value: "Vary: Accept-Encoding, Fastly-SSL"

  • Value: "x-api-version: F-X"

  • Value: "x-cache: HIT"

  • Value: "x-Firefox-Spdy: h2"

  • Value: "x-nyt-route: vi-assets"

  • Value: "x-served-by: cache-mdw17344-MDW"

  • Value: "x-timer: S1580937960.346550,VS0,VE0"

Within:

PCRE:

Special Options:

  • fast_pattern

source