""ET TROJAN [ANY.RUN] DarkGate Check-In HTTP Header (POST)""

SID: 2048558

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 2023_10_13, deployment Perimeter, malware_family DarkGate, confidence High, signature_severity Critical, updated_at 2023_12_28, reviewed_at 2023_10_13

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "Keep-Alive|3a 20|300|0d 0a|"

  • Value: "Content-Length|3a 20|"

  • Value: "User-Agent|3a 20|Mozilla|2f|4|2e|0|20 28|compatible|3b 20|Synapse|29 0d 0a|"

  • Value: "Connection|3a 20|keep-alive|0d 0a|"

  • Value: "Content-Type|3a 20|Application/octet-stream|0d 0a|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nKeep-Alive\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nContent-Type\x3a\x20[^\r\n]+\r\nContent-Length|0d 0a 0d 0a|/H"

Special Options:

  • http_method

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source