""ET TROJAN Win32/Rarog Stealer CnC Keep-Alive""

SID: 2025580

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_05_16, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2018_05_16

Reference:

• md5

• b38a63aea75bcf06fed11067cc75cc7e

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: "/check.php"

• Value: "m=" Depth: 2

• Value: !"Referer|3a|"

Within:

PCRE: "/^m=[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/Psi"

Special Options:

• http_method

• http_uri

• fast_pattern

• http_client_body

• http_header

source