""ET MALWARE W32/Softpulse PUP Install Failed Beacon""

SID: 2021027

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_04_28, deployment Perimeter, signature_severity Major, tag c2, updated_at 2019_08_14, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • bb9f26d52327979fb9b4d467408eba25

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: "?sentry_version="

  • Value: "&sentry_client="

  • Value: "&sentry_key=84ce05510b844b75acc37de959560a65&sentry_secret=1c9aa912021b4626a5b7a7e589cba678&sentry_data="

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • http_header

source