""ET TROJAN Backdoor.Win32/PcClient.AA Checkin""

SID: 2019201

Revision: 10

Class Type: trojan-activity

Metadata: created_at 2014_01_31, former_category MALWARE, updated_at 2022_05_03

Reference:

  • md5

  • 33439543cae709aa7efa58f94e4b2a62

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: to_server,established

Contents:

  • Value: "POST /2015" Depth: 10

  • Value: "Mozilla/4.0 (compatible|3b| MSIE 7.0|3b| Windows NT 5.2|3b| .NET CLR 1.1.4322|3b| .NET CLR 2.0.50727|3b| InfoPath.1|29 0d 0a|"

Within:

PCRE: "/^\d+?\/(?:\d+?\/-?\d+?.(?:php|jsp))? HTTP/Ri"

Special Options:

  • fast_pattern

source