""ET TROJAN PikaBot Java Loader CnC Checkin""

SID: 2050810

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2024_02_13, deployment Perimeter, malware_family PikaBot, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_02_13

Reference:

  • md5

  • b5daa41dcb91138f2066513aa12fb9f3

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: "/PE1BD/" Depth: 7

  • Value: "User-Agent|3a 20|Java"

  • Value: "Accept|3a 20|text|2f|html|2c 20|image|2f|gif|2c 20|image|2f|jpeg|2c 20 2a 3b 20|q|3d 2e|2|2c 20 2a 2f 2a 3b 20|q|3d 2e|2"

  • Value: "Connection|3a 20|keep-alive"

Within:

PCRE: "/\/PE1BD\/\d{6}$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

source