forked from Yara-Rules/rules
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
indicators for remsec from Symantec white paper
- Loading branch information
Showing
1 changed file
with
61 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,61 @@ | ||
rule remsec_executable_blob_32 | ||
{ | ||
meta: | ||
author = "remsec" | ||
strings: | ||
$code = { 31 06 83 C6 04 D1 E8 73 05 35 01 00 00 D0 E2 F0 } | ||
condition: | ||
all of them | ||
} | ||
|
||
rule remsec_executable_blob_64 | ||
{ | ||
meta: | ||
author = "remsec" | ||
strings: | ||
$code = { 31 06 48 83 C6 04 D1 E8 73 05 35 01 00 00 D0 E2 EF } | ||
condition: | ||
all of them | ||
} | ||
|
||
rule remsec_executable_blob_parser | ||
{ | ||
meta: | ||
author = "remsec" | ||
strings: | ||
$code ={ ( 0F 82 ?? ?? 00 00 | 72 ?? ) ( 81 | 41 81 ) ( 3? | 3C 24 | 7D 00 ) 02 AA 02 C1 ( 0F 85 ?? ?? 00 00 | 75 ?? ) ( 8B | 41 8B | 44 8B | 45 8B ) ( 4? | 5? | 6? | 7? | ?4 24 | ?C 24 ) 06 } | ||
condition: | ||
all of them | ||
} | ||
|
||
rule remsec_encrypted_api | ||
{ | ||
meta: | ||
author = "remsec" | ||
strings: | ||
$open_process ={ 91 9A 8F B0 9C 90 8D AF 8C 8C 9A FF } | ||
condition: | ||
all of them | ||
} | ||
|
||
|
||
rule remsec_packer_u | ||
{ | ||
meta: | ||
author = "remsec" | ||
strings: | ||
$code={ 69 ( C? | D? | E? | F? ) AB 00 00 00 ( 81 | 41 81 ) C? CD 2B 00 00 ( F7 | 41 F7 ) E? ( C1 | 41 C1 ) E? 0D ( 69 | 45 69 ) ( C? | D? | E? | F? ) 85 CF 00 00 ( 29 | 41 29 | 44 29 | 45 29 | 2B | 41 2B | 44 2B | 45 2B )} | ||
condition: | ||
all of them | ||
} | ||
|
||
|
||
rule remsec_packer_B | ||
{ | ||
meta: | ||
author = "remsec" | ||
strings: | ||
$code ={ 00 00 48 8D ( 45 ?? | 84 24 ?? ?? 00 00 ) ( 44 88 6? 24 ?? | C6 44 24 ?? 00 ) 48 89 44 24 ?? 48 8D ( 45 ?? | 84 24 ?? ?? 00 00 ) C7 44 24 ?? 0? 00 00 00 2B ?8 48 89 ?C 24 ?? 44 89 6? 24 ?? 83 C? 08 89 ?C 24 ?? ( FF | 41 FF ) D? ( 05 | 8D 88 ) 00 00 00 3A } | ||
condition: | ||
all of them | ||
} |