alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE DonotGroup Pult Downloader Activity (POST) M7"; flow:established,to_server; urilen:8<>40; http.method; content:"POST"; http.uri; content:!"|2e|"; http.content_type; content:"application/x-www-form-urlencoded"; bsize:33; http.request_body; content:"batac="; startswith; fast_pattern; http.user_agent; content:!"Linux|3b|"; content:!"iPhone|3b|"; http.header_names; content:"|0d 0a|Content-type|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Cache-Control|0d 0a 0d 0a|"; content:!"Referer"; reference:md5,5ee4463da5f43ee67541b9eb1277e1bf; reference:url,twitter.com/ginkgo_g/status/1777256849030709560; classtype:trojan-activity; sid:2052102; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_04_16, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_16; target:src_ip;)