mirror of
https://github.com/roadwy/DefenderYara
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roadwy
13 lines
731 B
Plaintext
13 lines
731 B
Plaintext
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rule HackTool_Linux_DisableTTY_B{
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meta:
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description = "HackTool:Linux/DisableTTY.B,SIGNATURE_TYPE_CMDHSTR_EXT,03 00 03 00 03 00 00 "
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strings :
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$a_00_0 = {73 00 65 00 64 00 20 00 } //1 sed
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$a_00_1 = {73 00 2f 00 65 00 6e 00 76 00 5f 00 72 00 65 00 73 00 65 00 74 00 2e 00 2a 00 24 00 2f 00 65 00 6e 00 76 00 5f 00 72 00 65 00 73 00 65 00 74 00 2c 00 74 00 69 00 6d 00 65 00 73 00 74 00 61 00 6d 00 70 00 5f 00 74 00 69 00 6d 00 65 00 6f 00 75 00 74 00 3d 00 2d 00 31 00 2f 00 } //1 s/env_reset.*$/env_reset,timestamp_timeout=-1/
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$a_00_2 = {2f 00 65 00 74 00 63 00 2f 00 73 00 75 00 64 00 6f 00 65 00 72 00 73 00 } //1 /etc/sudoers
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condition:
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((#a_00_0 & 1)*1+(#a_00_1 & 1)*1+(#a_00_2 & 1)*1) >=3
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} |