""ET MOBILE_MALWARE PJobRat CnC Checkin""

SID: 2033320

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Android, attack_target Mobile_Client, created_at 2021_07_13, updated_at 2021_07_13, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

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: ".php"

  • Value: "Content|2d|Disposition|3a 20|form|2d|data|3b|name|3d 22|"

  • Value: "|3b|filename|3d 22|"

  • Value: "|5b 7b 22|cid|22 3a|"

  • Value: "displayName"

  • Value: "phoneNumber|22 3a 22 2b|"

  • Value: "file|0d 0a 2d 2d 2d 2d 2d 2d|"

  • Value: "contacts|0d 0a 2d 2d 2d 2d 2d 2d|"

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

source