A Christian Peshitta text provides a Syriac translation of Genesis 4:15.
Ktava de-aurita : aukit amsha sefre de-Musha avda de-Alha aikh mapata peshita, trans. Carolo W. Mitchell and Iohanne Pinkerton (London: Societatem Bibliophilorum Britannicam et Externam, 1914), 6
English translation (Bauscher): And LORD JEHOVAH laid a sign on Qayn, so that no one who finds him would kill him.