""ET TROJAN Powershell Octopus Backdoor Activity (GET)""
SID: 2034940
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_01_19, deployment Perimeter, malware_family LazyScripter, signature_severity Major, updated_at 2022_09_28
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET /bills HTTP/1.1"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/App-Logic\x3a\x20[^\r\n]+\r\nAuthorization\x3a\x20[^\r\n]+\r\nSession\x3a\x20[^\r\n]+\r\n/Hm"
Special Options:
-
fast_pattern
-
http_header