""ET INFO WebDAV Retrieving .zip containing .exe""

SID: 2049439

Revision: 1

Class Type: bad-unknown

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_12_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_12_13

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "PROPFIND"

• Value: ".zip/"

• Value: ".exe"

• Value: "|0d 0a|translate|3a 20|f|0d 0a|"

• Value: "User-Agent|3a 20|Microsoft-WebDAV-MiniRedir/"

• Value: !"Referer|3a 20|"

Within:

PCRE: "/.exe$/U"

Special Options:

• http_method

• http_uri

• http_uri

• http_header

• fast_pattern

• http_header

• http_header

source