Rule History

SID: 2030831 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 2 • Sep 4, 2020, 12:00 PM

Message:

ET MALWARE Win32/TaskPerformer Downloader CnC Activity

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/TaskPerformer Downloader CnC Activity"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"Ox0001="; depth:7; nocase; content:"&Ox0010="; nocase; distance:0; content:"&Ox0011="; nocase; distance:0; content:"&Ox0100="; nocase; distance:0; content:"&Ox0101="; nocase; distance:0; fast_pattern; reference:md5,d89560ec4dbb0ca75734b39009d089e5; classtype:command-and-control; sid:2030831; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_09_04, deployment Perimeter, malware_family Win32_TaskPerformer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_04;)

Created:

Sep 4, 2020, 12:00 PM

Updated:

Sep 4, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 16, 2025, 8:36 PM

Filename:

rules/emerging-malware.rules