Versions (4)
Version DetailsCurrent
Rev: 1 • Oct 24, 2022, 12:00 PMET MALWARE TA452 Related Backdoor Activity (GET)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TA452 Related Backdoor Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/get"; bsize:4; http.header_names; content:"|0d 0a|UserAgent|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; startswith; fast_pattern; reference:md5,a3c14604fb4454ba5722f07f89780e73; reference:md5,c3aedb781a5b96674764cd43ef076d10; reference:url,twitter.com/StopMalvertisin/status/1562896289981136898; reference:url,www.safebreach.com/resources/blog/safebreach-labs-researchers-uncover-new-fully-undetectable-powershell-backdoor/; classtype:trojan-activity; sid:2039513; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_10_24, deployment Perimeter, malware_family TA452, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_24;)
Oct 24, 2022, 12:00 PM
Oct 24, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 28, 2025, 9:34 PM
rules/emerging-malware.rules