/* This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as long as you use it under this license. */ rule DDosTf : DDoS { meta: author = "benkow_ - MalwareMustDie" reference = "http://blog.malwaremustdie.org/2016/01/mmd-0048-2016-ddostf-new-elf-windows.html" description = "Rule to detect ELF.DDosTf infection" strings: $st0 = "ddos.tf" $st1 = {E8 AE BE E7 BD AE 54 43 50 5F 4B 45 45 50 49 4E 54 56 4C E9 94 99 E8 AF AF EF BC 9A 00} /*TCP_KEEPINTVL*/ $st2 = {E8 AE BE E7 BD AE 54 43 50 5F 4B 45 45 50 43 4E 54 E9 94 99 E8 AF AF EF BC 9A 00} /*TCP_KEEPCNT*/ $st3 = "Accept-Language: zh" $st4 = "%d Kb/bps|%d%%" condition: all of them }