""ET TROJAN ArrobarLoader CnC Checkin M1""

SID: 2026528

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 2018_02_07, deployment Perimeter, malware_family ArrobarLoader, performance_impact Low, signature_severity Major, tag Loader, updated_at 2018_11_08

Reference:

  • md5

  • 3d7436bcf635a7e56a785c9d26ed3767

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: ".php"

  • Value: "|20|4RR0B4R 4 X0T4 D4 TU4 M4E|0d 0a|"

  • Value: !"Referer|3a 20|"

  • Value: !"Cache"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

source