""ET TROJAN Darkgate Stealer CnC Checkin (POST)""

SID: 2048509

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_10, deployment Perimeter, malware_family DarkGate, confidence High, signature_severity Critical, updated_at 2023_10_10, reviewed_at 2023_10_10

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: "User-Agent|3a 20|Mozilla|2f|4|2e|0|20 28|compatible|3b 20|Win32|3b 20|WinHttp|2e|WinHttpRequest|2e|5|29 0d 0a|"

  • Value: "Accept|3a 20 2a 2f 2a 0d 0a|"

  • Value: "|0d 0a|a|3a 20|"

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

  • Value: "Content-Length|3a 20|0|0d 0a|"

Within:

PCRE: "/Connection\x3a\x20[^\r\n]+\r\nAccept\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\na\x3a\x20[^\r\n]+\r\nContent-Length\x3a\x20[^\r\n]+\r\nHost|0d 0a 0d 0a|/H"

Special Options:

  • http_method

  • http_header

  • http_header

  • fast_pattern

  • http_header

  • http_header

source