DefenderYara/Worm/Win32/Phrositer/Worm_Win32_Phrositer.yar

19 lines
1.3 KiB
Plaintext

rule Worm_Win32_Phrositer{
meta:
description = "Worm:Win32/Phrositer,SIGNATURE_TYPE_PEHSTR_EXT,1e 00 1a 00 09 00 00 "
strings :
$a_00_0 = {63 3a 5c 70 72 6f 67 72 61 6d 20 66 69 6c 65 73 5c 6d 69 63 72 6f 73 6f 66 74 20 76 69 73 75 61 6c 20 73 74 75 64 69 6f 5c 76 62 39 38 5c 76 62 36 2e 6f 6c 62 } //11 c:\program files\microsoft visual studio\vb98\vb6.olb
$a_01_1 = {f5 00 00 00 00 05 06 00 3a 1c ff 49 00 fb ef 6c ff 0a 10 00 08 00 fd 6b fc fe fc f6 0c ff 35 6c ff 00 16 } //11
$a_01_2 = {53 65 70 68 69 72 6f 74 } //2 Sephirot
$a_01_3 = {72 65 67 61 74 74 61 63 6b } //1 regattack
$a_01_4 = {69 6e 66 65 63 74 64 72 69 76 65 } //1 infectdrive
$a_80_5 = {67 3a 5c 6b 61 64 61 6a 2e 65 78 65 } //g:\kadaj.exe 1
$a_80_6 = {73 68 65 6c 6c 5c 41 75 74 6f 5c 63 6f 6d 6d 61 6e 64 3d 6b 61 64 61 6a 2e 65 78 65 } //shell\Auto\command=kadaj.exe 2
$a_80_7 = {6e 65 74 20 6c 6f 63 61 6c 67 72 6f 75 70 20 61 64 6d 69 6e 69 73 74 72 61 74 6f 72 73 20 72 6f 6e 69 6e 20 2f 61 64 64 } //net localgroup administrators ronin /add 2
$a_80_8 = {53 6d 69 6c 65 2c 20 44 6f 6f 7a 6f 20 59 6f 72 6f 73 68 69 6b 75 } //Smile, Doozo Yoroshiku 1
condition:
((#a_00_0 & 1)*11+(#a_01_1 & 1)*11+(#a_01_2 & 1)*2+(#a_01_3 & 1)*1+(#a_01_4 & 1)*1+(#a_80_5 & 1)*1+(#a_80_6 & 1)*2+(#a_80_7 & 1)*2+(#a_80_8 & 1)*1) >=26
}