""ET TROJAN Backdoor family PCRat/Gh0st CnC traffic (OUTBOUND) 85""

SID: 2020786

Revision: 4

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_03_28, deployment Perimeter, malware_family Gh0st, malware_family PCRAT, performance_impact Significant, signature_severity Critical, tag PCRAT, tag Gh0st, tag RAT, updated_at 2021_08_31

Reference:

  • md5

  • 6bc0070240a714175e44dd2d6bf98481

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|7f 9f|"

Offset: 8

  • Value: !"POST /"

  • Value: !"microsoft.com"

Within:

PCRE: "/^[\x20-\x7e]+?.{8}\x7f\x9f/s"

Special Options:

source