""ET TROJAN Simda.C Checkin""

SID: 2016300

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2012_07_20, updated_at 2013_01_29

Reference:

  • md5

  • 10642e1067aca9f04ca874c02aabda5c

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/?"

  • Value: "=%96%"

  • Value: "User-Agent|3a| Mozilla/4.0 (compatible|3b| MSIE 8.0|3b| Trident/4.0|3b| .NET CLR 2.0.50727|3b| .NET CLR 1.1.4322|3b| .NET CLR 3.0.04506.590|3b| .NET CLR 3.0.04506.648|3b| .NET CLR 3.5.21022|3b| .NET CLR 3.0.4506.2152|3b| .NET CLR 3.5.30729)|0d 0a|"

Within:

PCRE: "/^Host\x3a[^\r\n]+?\r\nUser-Agent\x3a[^\r\n]+?\r\n\r\n$/H"

Special Options:

  • nocase

  • http_uri

  • http_raw_uri

  • http_header

source