alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE DarkGate Payload Inbound"; flow:established,to_client; http.header; content:"Content|2d|Disposition|3a 20|attachment|3b 20|filename|3d 22|"; pcre:"/^(?:[a-z]{8})\x22[\r\n]/R"; http.response_body; bsize:<400; content:"ni|20 27|C|3a 2f|"; startswith; content:"|27 20 2d|Type|20|Directory|20 2d|Force|3b|cd|20 27|C|3a 2f|"; distance:0; content:"utoHotkey|2e|exe|3b|Invoke|2d|WebRequest|20 2d|Uri|20 22|http"; distance:0; content:"|2e|ahk|27 3b|attrib"; distance:0; fast_pattern; reference:url,twitter.com/tosscoinwitcher/status/1768337500211446074; reference:md5,ac89528d1040074d45d5c19a0ceb7a6a; classtype:trojan-activity; sid:2051664; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_03_14, deployment Perimeter, malware_family DarkGate, confidence High, signature_severity Major, tag c2, updated_at 2024_03_14, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)