alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Maldoc OneDrive Download Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/v1.0/shares/u!aHR0cHM6Ly8xZHJ2Lm1zL3UvcyFBalVyZDlodU1wUWNjTGt4bXhBV0pjQU1ja2M_ZT1mUnc4VHg/"; fast_pattern; startswith; http.user_agent; bsize:7; content:"MyAgent"; http.host; bsize:16; content:"api.onedrive.com"; http.header_names; bsize:37; content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Cache-Control|0d 0a 0d 0a|"; reference:url,twitter.com/cyberwar_15/status/1435260403127255043; reference:md5,baa9b34f152076ecc4e01e35ecc2de18; classtype:trojan-activity; sid:2033908; rev:5; metadata:created_at 2021_09_07, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_04;)