""ET TROJAN Win32/Spy.Agent.OHT - AnunakAPT HTTP Checkin 2""

SID: 2020029

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 2014_12_23, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Critical, updated_at 2023_09_27, reviewed_at 2023_09_27

Reference:

  • md5

  • 82332d2a0cf8330f8de608865508713d

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "w-form-urlencoded|0d 0a 0d 0a|"

  • Value: "POST"

  • Value: !"Accept-"

  • Value: !"Referer|3a|"

  • Value: !"Connection|3a|"

  • Value: "Host|3a|" Depth: 5

  • Value: "User-Agent|3a 20|Mozilla/"

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

Within:

PCRE: "/^Host\x3a[^\r\n]+?\r\nUser-Agent\x3a[^\r\n]+?\r\nAccept\x3a[^\r\n]+?\r\nContent-Length\x3a\x20\d{4}\r\nContent-Type\x3a\x20application\/x-www-form-urlencoded\r\n(?:\r\n)?$/Hmi"

Special Options:

  • http_method

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source