""ET TROJAN MalDoc Retrieving Payload 2021-06-15""

SID: 2034460

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 2021_06_15, deployment Perimeter, signature_severity Major, updated_at 2021_06_15

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: ".dat|20|HTTP/1."

• Value: "GET"

• Value: ".dat"

• Value: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|Windows NT 6.1|3b 20|WOW64|3b 20|Trident/7.0|3b 20|SLCC2|3b 20|.NET CLR 2.0.50727|3b 20|.NET CLR 3.5.30729|3b 20|.NET CLR 3.0.30729|3b 20|Media Center PC 6.0|3b 20|.NET4.0C|3b 20|.NET4.0E)|0d 0a|"

• Value: !"Referer|3a 20|"

Within:

PCRE: "/^Host\x3a\x20(?:[0-9]{1,3}.){3}[0-9]{1,3}$/Hm"

Special Options:

• fast_pattern

• http_method

• http_uri

• http_header

• http_header

source