alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE DonotGroup Pult Downloader Activity (POST) M2"; flow:established,to_server; urilen:8<>28; http.method; content:"POST"; http.uri; content:!".php"; http.content_type; bsize:33; content:"application/x-www-form-urlencoded"; 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:md5,892888c036dc4c415e4672a37a4067ff; reference:url,twitter.com/ShadowChasing1/status/1576970209327738880; classtype:trojan-activity; sid:2039085; rev:4; metadata:attack_target Client_Endpoint, created_at 2022_10_03, deployment Perimeter, malware_family DonotGroup, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_03;)